Download the thesis about smooth flow✅ Word Document

Download more than 100 examples of thesis, proposal and project topics about smooth flow in editable WORD file format at undergraduate, graduate and doctoral levels for use and reference in research, articles, theses, student and academic projects.

Number of pages: 115 Category: Librarianship

Dissertation for receiving a master's degree in the field: accounting. Abstract One of the existing mechanisms in order to reduce the agency problem and reduce the information asymmetry between shareholders and managers in the capital markets is the corporate governance system. The role of institutional shareholders in corporate governance and their presence in companies has ...

Number of pages: 109 Category: Librarianship

Dissertation for receiving a master's degree, Major: Accounting Abstract: We have started this research with the basic question that adjustments in accounting profit, such as profit smoothing, will have an effect on new indicators of performance evaluation, such as economic added value, or not? For this purpose, we have investigated this issue under the title ""Investigation of ...

Number of pages: 67 Category: Management

Academic Thesis for Master's Degree Field: Business Management Major: Financial Management Abstract The purpose of this research is to examine the relationship between profit smoothing and stock returns under environmental uncertainty. Also, in this research, the stability of profits of companies that have smoothed profits in the past has been investigated in conditions of ...

Number of pages: 81 Category: Facilities - Mechanics

Mechanical Engineering Master's Thesis - Energy Conversion One of the ways to reduce energy consumption for underwater devices is to reduce the drag on these devices. The nose of underwater objects is one of the most important parts of these objects in dealing with currents. By optimizing this part, the drag can be reduced by controlling the boundary layer of the fluid, by ...

Number of pages: 108 Category: Facilities - Mechanics

Master's Thesis in the field of Mechanical Engineering - Energy Conversion Abstract Numerical investigation of fluid flow and heat transfer on mesh plates with cross holes under discontinuous suction Introduction 1-1- Fluid flow on mesh plates The urgent need of modern humans to use different fuels and the problem of environmental pollution caused by improper and indiscriminate ...

Number of pages: 155 Category: Management

Thesis of Master's Degree in Business Management (Financial Management) October 2013 Chapter 1 General Research 1-1) Introduction Income tax expense is one of the most important expenses of companies.

Number of pages: 84 Category: Art - Graphics

Master's Thesis of Ardakan Faculty of Art and Architecture, Department: Carpets, November 2013 Abstract: Some contemporary (mostly commercial) carpets have defects in color, which are checked by a restorer upon the customer's request.

Number of pages: 120 Category: Librarianship

Master's thesis in accounting, the present research was done to provide evidence to clarify the relationship between the quality of profit and the liquidity of stocks, as well as to evaluate the impact of the quality of profit on the liquidity of stocks. In this research, 96 companies admitted to the Tehran Stock Exchange in the 5-year period of 1387-1392 (with one year in ...

Number of pages: 131 Category: Geography - Urban Planning

Thesis for obtaining a master's degree in the field of natural geography, geomorphology in environmental planning. Abstract: Studies on the effects of urban development on Zarjoub and Goharroud rivers in Rasht city have been carried out with the aim of improving the environmental quality of changing the conditions of the rivers from their pollution and flooding to favorable and ...

Number of pages: 178 Category: Librarianship

Dissertation for receiving a master's degree, specialization: Accounting, Abstract: The recent scandal in Enron and Worldcom and other American companies caused public sentiments to be aroused. Therefore, the general public believes that the profit management applied by company managers tends to opportunistic profit management, so that their personal interests are maximized. The ...

Number of pages: 134 Category: Librarianship

Thesis for obtaining a master's degree in the field: accounting, profit abstract is one of the items that investors pay attention to, and it is considered the basis of many important economic decisions. Interest has two components: cash and accrual, on the other hand, accrual items have two normal and abnormal parts. Some evidences show the fact that investors face many problems ...

Number of pages: 282 Category: Social Sciences - Sociology

Dissertation for Master's Degree in Social Science Research Abstract: The purpose of the above research is to examine the role of social, economic and political issues and barriers, their intensity and weakness in the investment process in Khalkhal city with a view to the whole country, and the role of the amount of support, supervision and guidance of investment by the relevant ...

Number of pages: 106 Category: Librarianship

Dissertation for obtaining a master's degree, field: accounting, major: accounting, profit information is the basic basis for investors to make decisions. In recent years, due to a series of significant frauds in accounting, the issue of earnings management has attracted the attention of many academics and practitioners. However, the focus of most studies has been limited to how ...

Number of pages: 147 Category: Psychology

Dissertation for Master's Degree (M.A) in Business Administration, Orientation: ""Transformation Management"" Abstract: Currently, the success of organizations directly depends on the effective use of human resources. In contemporary attitudes to organizations, human beings play a pivotal role in organizational transformation, and great organizational transformations originate ...

Number of pages: 134 Category: Management

Evaluating the readiness to use an enterprise solution (ERP) based on critical success factors (case study: Iran Khodro Diesel Company) Abstract The enterprise resource planning system is a software package with a wide application that integrates all the functions of the organization in a single system. In order to successfully implement an ERP[i] project in the organization, it ...

Number of pages: 92 Category: Chemical - Petrochemical Engineering

Master's thesis in the field of chemical engineering Kidney stones are one of the most common diseases in the world, most of its crystals consist of calcium oxalate crystals. Therefore, it has been a long time that the investigation of effective substances in controlling this disease through the control of calcium oxalate crystals has been considered. The purpose of this ...

Number of pages: 124 Category: Management

Dissertation for Master's Degree (M.A.) Direction: Human Resource Management Abstract With the expansion of the globalization phenomenon, the importance of trust in social, economic, political and organizational relations has been significantly noticed, so that most experts in various sciences have pointed out the importance of the role of trust in organizations. The purpose of ...

Number of pages: 92 Category: Computer Engineering

Master's thesis in the field of computer engineering (artificial intelligence) Today, the success of intelligent transportation systems depends not only on the information of the current traffic situation, but also to a large extent on the knowledge of the traffic situation in the next few minutes. Therefore, a lot of research has been done in the field of short-term prediction ...

Number of pages: 99 Category: Civil Engineering

To receive a master's degree in civil engineering - water Abstract: Relaxation ponds should be designed in such a way that they can depreciate the potential energy stored in the reservoir water of dams and dams in such a way as to transfer it to the natural bed so as not to cause the loss of the bed and in critical conditions to destroy the pond and dam itself. In different ...

Number of pages: 142 Category: Civil Engineering

Master's Thesis Farsi Abstract Today, urban squares are one of the most common types of intersections that have grown a lot around the world and especially in Iran. Therefore, the precise design and engineering of this type of intersections has a significant effect on improving their traffic performance. In the design of the squares, one should pay attention to the geometric ...

Number of pages: 131 Category: Civil Engineering

Dissertation for master's degree in civil engineering, structural orientation. Abstract Good bond strength between the old and new concrete surface is a key factor in the performance of concrete repairs. The purpose of this thesis is to investigate and evaluate the bond strength between the surface of the old concrete and the added concrete. In this thesis, a laboratory research ...

Number of pages: 138 Category: Literature - Persian Language

Dissertation for the Master's degree ""M.A"" in the field of Persian language and literature. Abstract What is presented in this article and is before you, dear scholars, is a part of the pure Islamic mysticism, which the people of Tariqat and insight found in the seven cities of love or the seven regions in the ancient literature and discussed it. Although the description and ...

Number of pages: 123 Category: Literature - Persian Language

Dissertation for master's degree (M-A) in the field of Persian language and literature. Undoubtedly, Saadi Shirazi is one of the most important pillars of Persian literature. He is a comprehensive and peerless personality who has left valuable and lasting works in the two fields of poetry and prose, and has achieved good innovations and innovations in both fields. Saadi has put ...

Number of pages: 130 Category: Paramedical

Dissertation: To get a Ph.D. Abstract Introduction: One of the rare complications of myocardial infarction that occurs in the weeks and months after it is the left ventricular aneurysm, which is defined as a thin and discrete piece of the left ventricular wall that bulges both during systole and diastole and has a wide base. Most of the left ventricular aneurysms occur in the ...

Number of pages: 123 Category: Medical Sciences

Dissertation to receive the Ph.D. degree in Pharmacy Persian Summary A group of N-aryl phthalimide derivatives were evaluated for anti-inflammatory activity. Non-steroidal anti-inflammatory drugs are considered as analgesic and anti-inflammatory and their primary mechanism is cyclooxygenase enzyme inhibition. Cyclooxygenase is a key enzyme in the production of prostaglandin and ...

Number of pages: 87 Category: Chemical - Petrochemical Engineering

Master's thesis in the field of chemical engineering, abstract of the effect of additives on crystal morphology in the crystallization process of calcium oxalate. Kidney stones are one of the most common diseases in the world, and most of its crystals are composed of calcium oxalate crystals. Therefore, it has been a long time that the investigation of effective substances in ...

Number of pages: 97 Category: Chemical - Petrochemical Engineering

Master's Thesis Abstract In this project, the coat cracker unit of Abadan refinery has been simulated using Hysys refinery software. In simulating and receiving information, feed properties and solving mass and energy balance equations have been used. Simulation data and operational data of Abadan Cat Cracker unit have been compared. Also, by changing some important operational ...

Number of pages: 82 Category: Agricultural Engineering

Dissertation for receiving the master's degree ""M.Sc. » Orientation: Agriculture Abstract This study was conducted in order to compare the effect of biological and chemical fertilizers on the yield and morphological traits of the spruce plant in the form of a randomized complete block design in 9 treatments and 4 replications in a plot of land with an area of ??800 square ...

Number of pages: 158 Category: Facilities - Mechanics

Dissertation for obtaining a doctorate degree in the field of mechanical engineering - manufacturing and production: the advantages of using semi-solid processes are reducing the amount of gas porosity and shrinkage and modifying the microstructure, which aims to improve the mechanical properties of the part. In this research, the cooling ramp method has been used to produce the ...

Number of pages: 55 Category: Food and Packaging Industries

Dissertation for receiving a master's degree in the field of agricultural engineering, food science and food industry, food chemistry. Abstract: In the meat industry, the shelf life and juiciness of the meat is of particular importance, which is the purpose of this research. In this research, the thigh and breast muscles of chicken and ostrich meat were used, and 5 samples of ...

Number of pages: 173 Category: Librarianship

Dissertation for obtaining a master's degree, specialization: accounting, abstract: based on agency theory, an organization is a set of contracts. The existence of a business unit is based on its concluded contracts. These contracts can be written or unwritten. One of the most important of these contracts is the contract or bonus plan between the major shareholders and company ...

Number of pages: 54 Category: Food and Packaging Industries

Dissertation for receiving a master's degree in food technology, Persian abstract, background and purpose: Olive tree leaves have many compounds, including oleuropein, which are related to the majority of their medicinal properties. Olive leaf extract is also rich in phenolic compounds. In order to extract phenolic compounds, olive leaves must first be dried. Natural drying and ...

Number of pages: 165 Category: Facilities - Mechanics

Dissertation for Master's Degree Abstract Achieving higher rates of heat transfer using different techniques that can result in saving a significant amount of energy and also lead to the production of more compact and cheaper devices with higher thermal efficiency has attracted the attention of researchers. Vortex generation is one of the best methods used to increase heat ...

Number of pages: 91 Category: Facilities - Mechanics

Master's Thesis on Energy Conversion Abstract: Increasing heat transfer as well as increasing energy efficiency due to the limitation of natural resources and reducing costs has always been one of the most basic concerns of engineers and researchers. This is especially important in fluids due to the small thermal conductivity coefficient. One of the most important ways to ...

Number of pages: 152 Category: Facilities - Mechanics

Master's Thesis on Energy Conversion Abstract: Increasing heat transfer as well as increasing the efficiency of energy storage systems due to the limitation of natural resources and with the aim of reducing costs has always been one of the most basic concerns of engineers and researchers. This is especially important in fluids due to the small thermal conductivity coefficient. ...

Number of pages: 198 Category: Facilities - Mechanics

Master's thesis in the field of mechanical engineering (applied design trend) Abstract of the study of the deterioration of non-isotropic TWB sheets under the hydroforming process. During the research, four different metals of aluminum alloys 6111-T4, 5083-H18, 5083-O and dual-phase steel DP590 and two spherical tensile tests and simple uniaxial tensile tests were used. Then we ...

Number of pages: 127 Category: Facilities - Mechanics

Master's Thesis in Mechanical Engineering (Energy Conversion) Abstract Numerical investigation of the effect of microstructures on heat transfer and fluid mixing in microchannels, the need for high heat transfer from electronic packages and optical systems, etc., has created a challenge in the field of thermal management. In this context, microchannel heat wells play a great ...

Number of pages: 177 Category: Librarianship

Master's Thesis in Accounting (MA) Abstract The purpose of this article is to investigate the relationship between investment sensitivity and cash flows with the level of capital expenditures. In this research, the financial information of 73 companies admitted to the Tehran Stock Exchange during the period from 1382 to 1391 has been examined (730 years - companies). 18SPSS ...

Number of pages: 141 Category: Librarianship

Accounting training group, academic thesis for obtaining a master's degree, abstract of the company's capital structure is the permanent financing of the company, which is shown by long-term debt and equity. Financing methods for the continuation of activity and the implementation of profitable projects are very effective in the growth process of the company and cause the ...

Number of pages: 171 Category: Librarianship

Abstract: The aim of this research is to investigate the relationship between the sensitivity of asymmetric cash flow and cash retention in companies, with an emphasis on financial constraints. This research is a library and analytical-causal study and is based on panel data analysis. In this research, the financial information of 112 companies admitted to the Tehran Stock ...

Number of pages: 170 Category: Librarianship

Dissertation for Master's Degree in Accounting Abstract In this research, the complementary role of operating cash flow in explaining the stock returns of companies admitted to the Tehran Stock Exchange has been investigated. The statistical sample of the research includes 98 companies during the period from 1387 to the end of 1392. In this research, to study the effect of each ...

Number of pages: 86 Category: Librarianship

Master's Thesis in Accounting (M.A) Abstract The explosive growth of the world's financial markets has created competition among investment institutions, and in order to achieve better investment results, investment institutions must make predictions about their decisions, including the most important issue raised in the field of financial management, assuring real and legal ...

Number of pages: 179 Category: Geography - Urban Planning

Dissertation for Master's Degree (M.A) Field: Geography Major: Tourism Planning Flower and plant tourism is one of the special branches of tourism and day by day the number of this type of tourists is increasing in the modern world. Flower and plant tourism can be seen as visiting destinations where the primary motivation for traveling to those destinations is the interest in ...

Number of pages: 152 Category: Librarianship

Dissertation for Master's Degree in Accounting Abstract Accepted principles of accounting have a lot of flexibility in some methods, which potentially makes managers make accounting estimates based on their personal judgments. This flexibility may affect the reliability of accrual items and consequently the stability of these items in successive periods. The main goal of the ...

Number of pages: 124 Category: Librarianship

Dissertation for Master's Degree in Accounting Major: Accounting Abstract: Profit smoothing is defined as the effort applied by management to reduce abnormal changes in profit in terms of accounting principles. In this research, the relationship between profit smoothing and information asymmetry in the life cycle of business units has been investigated and measured. In order to ...

Number of pages: 120 Category: Librarianship

Dissertation for receiving master's degree in accounting, accounting orientation, the abstract of profit information content, has been widely tested in accounting and financial texts. Since in most cases, including financial reporting and evaluation models, profit plays a fundamental role, it is very important to determine the financial items and variables related to accounting ...

Number of pages: 216 Category: Geography - Urban Planning

Thesis for obtaining a master's degree (M.A) in the field: Geography, tourism planning trend. Abstract Today, tourism and especially nature-based tourism (ecotourism) can play a significant role in the economic development and income generation of human societies, which is different according to the natural dependencies and native habitats of each country. According to its ...

Number of pages: 151 Category: Geography - Urban Planning

Dissertation for obtaining a master's degree in the field: Geography, specialization: rural planning, abstract of Pakdasht city, which is stretched from the south of the Alborz mountain range to the plain, and due to the presence of the Jajroud river and its fertile soil, it is a suitable environment for farmers, especially for growing flowers and plants. These factors, along ...

Number of pages: 138 Category: Management

Thesis for obtaining a master's degree in the field: business management-financial orientation. Abstract: The purpose of this research is to investigate the role of accruals in evaluating and forecasting cash flows of companies. This research is a library and analytical-causal study and is based on panel data analysis. In this research, the financial information of 103 companies ...

Number of pages: 124 Category: Civil Engineering

Dissertation for Master's Degree in Civil Engineering - Abstract Hydraulic structures in high dams of spillways, as one of the dependent hydraulic structures, have the important role of discharging the incoming floods into the dam reservoir with sufficient safety in free flow or under pressure downstream. In tunnel overflows where the flow is at a high speed and often under ...

Number of pages: 96 Category: Physical Education - Sports

Master's Thesis in the field of Physical Education and Sports Sciences - Physiology. Abstract: Investigating the effect of four weeks of isometric handgrip exercise on changes in blood flow-related vascular dilation and blood pressure in women with hypertension. It seems that hypertension has a complex relationship with endothelial dysfunction. Increased blood pressure ...

Number of pages: 75 Category: Management

The first chapter of research overview 1- Introduction The growth and development of joint-stock companies over time led to the emergence and increase of a class of capital owners who did not directly participate in the management of the companies and guided and monitored the company's affairs through the selection of the board of directors. This new development created a new ...

Number of pages: 140 Category: Civil Engineering

Master's Thesis in Civil Engineering (Soil and Foundation) Abstract Dense sand piles have been used since 1950 in Japan and then in other countries of the world as one of the most effective and economical methods in strengthening soil in order to prevent liquefaction, increase bearing capacity and improve soils with different grain sizes. The process of implementing dense sand ...

Number of pages: 95 Category: Medical Sciences

Dissertation to receive Ph.D. Persian Summary Otostegia persica is one of the Lamiaceae (mint) plants, which in traditional medicine is used to treat malaria, reduce blood sugar and blood pressure, and relieve S fever. The name of this plant in Persian culture is ""golder"". This genus has 3 species of perennial herbaceous plants in Iran: Otostegia aucheri, Otostegia micchauxii, ...

Number of pages: 125 Category: Physical Education - Sports

Dissertation for Master's Degree Abstract The general purpose of this research is to investigate the effect of low-intensity resistance training with restricted blood flow on the serum levels of growth hormone, cortisol, testosterone and IGF-1 in young men. 30 healthy young men with an age range of 19-24 years who volunteered to participate in the study were selected as a ...

Number of pages: 217 Category: Librarianship

Dissertation for receiving a master's degree major: Accounting Abstract: The main purpose of this research is to investigate the effect of audit quality on the relationship between free cash flow and profit management in companies listed on the Tehran Stock Exchange. In other words, in this research, an attempt has been made to answer the question whether the high quality of ...

Number of pages: 75 Category: Food and Packaging Industries

Dissertation for M.Sc degree in food science and industry Abstract Oils and fats are oxidized during storage at high temperatures and their nutritional quality decreases. The process of oxidation of oils and fats and the formation of free radicals causes the development and development of cancer. These damages can be prevented by consuming antioxidant compounds found in fruits ...

Number of pages: 101 Category: Facilities - Mechanics

In order to obtain a master's degree in the field of mechanical engineering, energy conversion, abstract: In this thesis, the mass and heat transfer by integral method in the flow of natural displacement of a fluid with a very low frontal near the wavy inclined wall and under the magnetic field has been investigated. The wall is permeable and as a result, the fluid can be sucked ...

Number of pages: 91 Category: Facilities - Mechanics

Master's thesis in the field of mechanical engineering - energy conversion trend Abstract: In this research, the turbulent flow of a non-Newtonian nanofluid in a microchannel with a circular cross-section is simulated. First, the types of classification of microchannels, the methods of making microchannels, as well as the advantages and challenges of using microchannels are ...

Number of pages: 96 Category: Facilities - Mechanics

Dissertation for M.Sc Mechanical Engineering - Energy Conversion Orientation Abstract: In this research, the turbulent flow of a non-Newtonian nanofluid in a microchannel with a circular cross-section is simulated. First, the types of classification of microchannels, the methods of making microchannels, as well as the advantages and challenges of using microchannels are stated. ...

Number of pages: 74 Category: Food and Packaging Industries

Dissertation for M.Sc. in Food Engineering, Agricultural Orientation Abstract The focus of recent research has been photochemical substances derived from plants, which are due to their positive effects on human health. During processing in factories, food can be enriched with active compounds such as phenolic compounds that have benefits and physiological properties such as ...

Number of pages: 57 Category: Agricultural Engineering

Dissertation for Master's Degree (M.Sc.) Field: Horticulture-Ornamental Plants Abstract To investigate the effect of gap and silver nanoparticles on the life of the flower and the hyphae characteristics of Alstroemeria hybrida cut flowers, a 2-factor factorial experiment based on a completely randomized design with two factors of stem end gap in 2 levels (5 cm gap and no gap) ...

Number of pages: 105 Category: Facilities - Mechanics

Field of study: Mechanics, orientation: energy conversion. The present research was conducted in order to investigate the movement of pig in pipelines. Due to the importance of pipelines in providing energy resources in the world, after installation and operation, the maintenance of these lines is of high importance, which has caused special attention to be paid to the design of ...

Number of pages: 54 Category: Agricultural Engineering

Master's thesis in the field of agricultural engineering - horticultural sciences, specialization: ornamental plants. Abstract In order to investigate the effect of sodium nitroprusside on the flowering life of rose, sunflower and lisianthus cut flowers, a study was conducted in the form of a factorial experiment based on a completely randomized design with two sodium ...

Number of pages: 41 Category: Agricultural Engineering

Dissertation for Master's Degree (M.Sc) Field: Horticulture Major: Ornamental Plants Abstract In order to investigate the effect of different waters on the life after harvesting of rose, chrysanthemum and gerbera cut flowers, a factorial experiment was carried out in the form of a completely randomized design in 3 replications with two factors: types of water (magnetic water, ...

Number of pages: 70 Category: Agricultural Engineering

Department: Plant Products Master's Thesis in Plant Products-Horticulture Abstract Rose (Rosa hybrida) is considered one of the most popular flowers in the world and its cut flower branch is the most used among other flowers. Due to the physiological reasons of being a rose cut flower, during its shelf life, it is highly susceptible to withering and reducing its freshness and ...

Number of pages: 196 Category: Facilities - Mechanics

Master's Thesis in Mechanical Engineering, Applied Design 1-1-Introduction All humans know that the heart is a vital organ in the human body, so we cannot live without it. But with a purely mechanical view, the heart is just a pump; A very complex and important pump; And in terms of being a pump, like all pumps, there is a possibility of clogging, failure or needing to be ...

Number of pages: 106 Category: Facilities - Mechanics

Master's thesis in the field of mechanical engineering - energy conversion trend. Abstract Numerical simulation of a flow measurement microsensor in a real human aorta model. Arterial diseases, especially arteriosclerosis and vasodilation, are among the most important causes of sudden death in the world. There are different methods for diagnosing these diseases, and in this ...

Number of pages: 174 Category: Agricultural Engineering

Dissertation for the M.Sc. Field of agriculture, the effect of water stress, zeolite and salicylic acid foliar spraying on some agronomic and physiological traits of spring safflower 1: General: 1-1: Introduction: Environmental stresses are the most important factors that reduce the yield of agricultural products in the world. If environmental stresses did not occur, the actual ...

Number of pages: 56 Category: Food and Packaging Industries

Dissertation for receiving a master's degree in the field: Food Science and Industry Abstract: In addition to changing the organoleptic characteristics of the food, the oxidation of oils reduces the nutritional value and shelf life of oils and has a negative effect on the health of consumers due to the production of undesirable compounds in the oil. There are many ways to ...

Number of pages: 56 Category: Agricultural Engineering

Dissertation for obtaining a master's degree in the field: horticulture, ornamental plants. Abstract This study was conducted in order to investigate the effect of nickel on the life after harvesting of gerbera flower in the form of a completely randomized design with three replications. Healthy gerbera flowers (Gerbera jamesonii cv. 'Intense') were purchased from a commercial ...

Number of pages: 131 Category: Facilities - Mechanics

Abstract: Research in the field of heat transfer of suspensions with nanometer-sized solid particles in the base fluid has started in the last decade. Recent research in the field of nanofluids has shown that the addition of nanoparticles causes a significant increase in the heat transfer of the suspension. Another common way to improve the thermal performance of devices is to ...

Number of pages: 134 Category: Facilities - Mechanics

Master's thesis in the field of mechanics, specialization: mechanical engineering - energy conversion. Abstract: One of the most important components of fluid transmission systems are control valves, which can be seen in different routes of oil and gas transmission pipelines, etc. In control valves, the most important issue is the property of the flow in order to achieve the ...

Number of pages: 105 Category: Facilities - Mechanics

Thesis for receiving a master's degree in the field of mechanics, energy conversion, abstract: free or natural convection heat transfer is one of the most useful phenomena in industry and in the environment around humanity. Due to its wide application, this phenomenon has attracted the attention of many researchers and has prompted researchers to follow the flow of free movement ...

Number of pages: 115 Category: Facilities - Mechanics

Dissertation for Master's Degree in Mechanical Engineering (Energy Conversion) Abstract In this thesis, the mass and heat transfer of water-aluminum oxide nanofluid in a two-dimensional porous medium under a magnetic field and in the vicinity of a vertical wall has been investigated. The boundary wall can be permeable or impermeable. The concentration and temperature of the wall ...

Number of pages: 51 Category: Fisheries

Abstract This study was conducted to determine the effect of different levels of vitamin E and C on growth indices and blood parameters in flowerhorn fish (Cichlosoma sp). 9 diets containing a combination of 0, 100 and 1000 mg/kg of food of vitamin E and 0, 100 and 1000 mg/kg of food of vitamin C were considered in three replicates for 8 weeks. The initial weight of the fry was ...

Number of pages: 49 Category: Food and Packaging Industries

Dissertation for Master's Degree in Food Science and Technology, Food Technology, Abstract: In addition to changing the organoleptic characteristics of food, oxidation of oils reduces the nutritional value and shelf life of oils and is harmful to the health of consumers due to the production of undesirable compounds in oil. To prevent oxidation, there are several methods, one of ...

Number of pages: 114 Category: Facilities - Mechanics

To obtain a master's degree in mechanical engineering - manufacturing and production Abstract Fuel cells are electrochemical devices that are used to directly convert fuel into electrical energy. One of the most important types of fuel cells is the polymer fuel cell, which is widely used. In general, two types of optimization can be done in the polymer fuel cell: optimization in ...

Number of pages: 121 Category: Facilities - Mechanics

Master's Thesis, Energy Conversion Engineering, Abstract: In many processes in the industry, the combination of liquid droplets with gas flow will lead to problems such as corrosion of downstream equipment and loss of expensive liquids. To solve these problems, the phases are separated from each other with the help of a separator. Cyclone separators, as a type of high efficiency ...

Number of pages: 120 Category: Facilities - Mechanics

Master's Thesis in Mechanical Engineering - Energy Conversion Abstract The vortex tube is a simple mechanical device that has no moving parts and is one of the equipment used in the refrigeration system, in which a high-pressure fluid enters the vortex tube through the inlet nozzles and splits into two streams with a lower and higher temperature than the inlet temperature, thus ...