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Number of pages: 59 Category: Chemical - Petrochemical Engineering

Dissertation for Master's Degree in Chemistry, Chemistry, Abstract: Epoxy resins, which are thermosetting polymers, have properties such as high thermal stability, good adhesion, high chemical resistance, easy molding, and moisture resistance. These resins are used as adhesives, coatings, paints and polymer tools. The most common epoxy resin is prepared from the reaction of ...

Number of pages: 100 Category: Civil Engineering

Dissertation for Master's Degree in Civil Engineering – Shahrivar Marine Structures, September 1992 Abstract: Pipe-in-pipe systems are widely used in transmission line applications.

Number of pages: 139 Category: IT Information Technology Engineering

Master's Thesis of Information Technology Management (M.Sc) academic year 1389-1390 Abstract In order to study and predict the distribution pattern of economically important benthic fish, catch data of 10 species

Number of pages: 184 Category: Geography - Urban Planning

Dissertation for receiving a master's degree in the field: Political Geography (M.A) Abstract: The science of political geography is one of the broad topics of science and is created from a politically organized unit in a specific geographical territory that includes the government's rule and a specific space. These organized units can include the primary political core, limited ...

Number of pages: 102 Category: Civil Engineering

Master's Thesis (Civil Engineering - Water and Wastewater Engineering) Abstract: In this study, ram impact pump modeling was done by the software that was prepared. This software finds the outputs of the HAMMER software as input and by obtaining other information (including the pumping height, etc.) it calculates the amount of pumped water every time the valve is suddenly turned ...

Number of pages: 185 Category: Management

Dissertation to receive a Master's degree (M.Sc) domestic orientation research abstract: Today, most organizations have realized that improving the quality of goods and services is a necessary and necessary condition for survival and presence in the market and global competition. ""ISO"" includes requirements for establishing, establishing, implementing and maintaining the ...

Number of pages: 77 Category: Electronic Engineering

Dissertation for obtaining the master's degree ""M.Sc."" Abstract Mechatronic Engineering Considering the reduction of potable water resources and also the increasing population of cities, the increase in the number of subscribers, the need to increase the speed and accuracy in meter reading and reduce excess costs, in order to achieve modern technologies, extensive research has ...

Number of pages: 140 Category: Biology - Environment

Dissertation for Master's Degree ""M.Sc"" Chemical Engineering - Environmental Abstract Water produced with oil, which contains a mixture of organic and inorganic compounds, is considered as the biggest waste in upstream oil industries. With the increase in extraction from oil and gas reservoirs, the volume of this water is increasing day by day, and its inappropriate discharge ...

Number of pages: 130 Category: Facilities - Mechanics

Dissertation for Master's Degree in Energy Systems Engineering Abstract Currently in Iran, there are many gas turbines producing electrical energy whose efficiency is around 30% to 40% depending on the environmental and functional conditions, in fact two thirds of this energy from fuel combustion is wasted through exhaust fumes and thermal waste. In order to increase the ...

Number of pages: 66 Category: Electronic Engineering

Dissertation for obtaining the master's degree ""M.Sc."" Abstract Mechatronic Engineering Considering the reduction of potable water resources and also the increasing population of cities, the increase in the number of subscribers, the need to increase the speed and accuracy in meter reading and reduce excess costs, in order to achieve modern technologies, extensive research has ...

Number of pages: 209 Category: Biology - Environment

Thesis for Master's Degree in Energy Conversion (M.Sc.) Abstract The country of Iran is located between the orbits of 25 to 40 degrees north latitude and is located in an area that is among the highest in the world in terms of receiving solar energy. The amount of solar radiation in Iran is estimated between 1800 and 2200 kilowatt hours per square meter per year, which is higher ...

Number of pages: 175 Category: Civil Engineering

Doctoral Dissertation in Civil Engineering - Summer 2013 Earthquake Abstract One of the appropriate tools to know the condition of the network­ As one of the vital artery systems, water distribution is an indicator of reliability. one hand

Number of pages: 112 Category: Nutritional Sciences

Dissertation of master's course in the field of educational sciences, history and philosophy of education, winter 93 Abstract: This research aims to analyze the content of moral concepts and themes in the Holy Quran and with the aim of

Number of pages: 142 Category: Industrial Engineering

To receive a master's degree in polymer engineering - polymer industries, May 2013 abstract With the progress of various sciences and knowledge, the boundaries of knowledge have converged and in some fields we are witnessing

Number of pages: 200 Category: Geography - Urban Planning

Dissertation for obtaining a master's degree in the field: Natural Geography, specialization: Geomorphology in environmental planning. The abstract of this research, using the descriptive and analytical method along with library and documentary studies and field observations, investigates the hydrogeomorphology of the Masuleh River basin with an emphasis on the waterfalls of the ...

Number of pages: 112 Category: Educational Sciences

Master's thesis in the field of educational sciences, history and philosophy of education. Abstract: This research was conducted in order to analyze the content of moral concepts and themes in the Holy Quran and with the aim of presenting a model of the educational moral system based on the moral concepts of the Quran. In this study, descriptive, analytical, and inferential ...

Number of pages: 82 Category: Geography - Urban Planning

Dissertation for obtaining a master's degree in the field: application of climate in environmental planning. Abstract Since the beginning of history, drought has been a part of climate changes in our environment. The lack of water on one hand and the indiscriminate and wrong use of water resources on the other hand are a serious threat to the environment and water resources in a ...

Number of pages: 101 Category: Geography - Urban Planning

Dissertation for Master's Degree in Remote Sensing and Geographical Information System - Water and Soil Resources Abstract The increase in population and the excessive development of cities, especially in their outskirts, regardless of environmental and human characteristics, has caused irreparable damage to the environment and its residents. For this reason, the issues of ...

Number of pages: 101 Category: Textile Industries

Dissertation to receive the master's degree ""M.S.c"" specialization: Textile chemistry and fiber science Abstract: One of the important processes in the completion of textile goods is the underhand improvement in textiles. Finishing the softener provides a desirable softness to the fabric and improves its properties, and the main goals of the softener are to reduce static ...

Number of pages: 138 Category: Geography - Urban Planning

Master's thesis in natural geography, climatological orientation in environmental planning, abstract: the abundance of altitudes and extreme changes in altitude, and of course wide fluctuations in temperature, humidity, annual precipitation, etc., have caused Kohgiluyeh and Boyer Ahmad provinces, located in the southwestern half of the country, to be a bridge between the ...

Number of pages: 120 Category: Management

Dissertation for the degree of Master of Executive Management (M.A.) Orientation: Strategic Abstract: The present research was conducted with the aim of determining the impact of human resources development in achieving organizational agility in the urban water and sewage company of Ilam province. The current research is applied in terms of purpose and descriptive in terms of ...

Number of pages: 153 Category: Electronic Engineering

Dissertation for obtaining a master's degree in electrical engineering, electronics, abstract, accurate measurement and control of temperature in industrial and research systems is of particular importance, and the correct operation of some industrial and laboratory tools is possible only in a certain location with a small number of channels (maximum 8 channels). Therefore, the ...

Number of pages: 138 Category: Electronic Engineering

Dissertation for Master's Degree in Electrical Engineering, Power Systems, Abstract: In this thesis project, a new analytical approach is proposed for planning electric energy production and determining the amount and storage location of rotating storage corresponding to the risk level of subscriber load points through profit/cost analysis in the optimization program of shared ...

Number of pages: 193 Category: Management

Academic thesis for obtaining a master's degree in the field of public administration, human resource orientation. The basic abstract that managers are faced with is improving the performance of employees to increase the productivity of the organization and cultivating employees who will use all their experiences, abilities and capacities to improve organizational goals. This ...

Number of pages: 100 Category: Electronic Engineering

Abstract The main task of the synchronous generator excitation system is to provide the necessary voltage for the generator excitation winding. The excitation voltage is a dc voltage and it is used to create a flux in the excitation winding of the generator and consequently to produce a magnetic field to produce electrical energy by a synchronous generator. In the provided ...

Number of pages: 102 Category: Physical Education - Sports

Dissertation for Master's Degree (M.A.) Major: Sports Physiology Abstract of Dissertation (including summary, objectives, implementation methods and results obtained): The purpose of this research was to study the effect of the combination of resistance exercise and water thistle extract on liver enzymes in healthy male rats, and according to the objectives and nature of the ...

Number of pages: 142 Category: IT Information Technology Engineering

Master's Thesis in Information Technology Engineering, Computer Networks, Abstract Location and synchronization are key elements in many underwater communication applications, which, despite being highly interdependent, usually operate separately from each other. But since the synchronization services are the prerequisite of the positioning algorithms and the information about ...

Number of pages: 98 Category: Geography - Urban Planning

Dissertation for Master's degree M.se field of remote sensing and geographic information system - water and soil resources Abstract: The phenomenon of dam failure has a catastrophic potential. Therefore, it is important to estimate the hydraulic parameters of flood waves in order to predict risks and manage resources and facilities and save human lives. Therefore, the issue of ...

Number of pages: 106 Category: Management

Dissertation for Master's degree (M.A.) Major: Human Resource Management Abstract This research tries to analyze the relationship between work ethics and organizational commitment. In this regard, the four-part model of Gary Guricipti and the three-part model of Allen and Meyer are used as the theoretical framework of the research. The main hypothesis of the study is: There is a ...

Number of pages: 178 Category: Management

Thesis for obtaining a master's degree in the field: business management, orientation: international. Abstract: Customs as a commercial gateway has long played a significant role in foreign trade and, as a result, in the economy of countries. Therefore, according to the key topic of the relative advantage of the ever-increasing expansion of trade, creating suitable grounds for ...

Number of pages: 113 Category: Biology - Environment

Dissertation for Master's Degree in Civil Engineering Majoring in Environmental Engineering Abstract In this research, the effect of biological reactions on the removal of organic substances in wastewater during transfer from production sources to the treatment plant in conventional networks and new small diameter networks was investigated. For this purpose, a part of these ...

Number of pages: 127 Category: Biology - Environment

Master's thesis in the field of civil engineering (environmental engineering) is an abstract of the surface absorption method, one of the effective methods for removing metals, including nickel metal. In this research, modified rice paddy has been used as absorbent material. Since this adsorbent is a natural material with a high contact surface, in addition to its high ability ...

Number of pages: 96 Category: Civil Engineering

Dissertation to receive a master's degree, specialization: civil engineering-water engineering Abstract: In this research, the effect of land slope, difference in height of pressure booster stations, height above sea level on the characteristics of the length of the water transmission systems in order to verify the feasibility and facilitate the prediction of its use and optimal ...

Number of pages: 90 Category: Management

Master's Thesis Field: MBA Abstract About two-thirds of the world's energy is consumed in cities. Along with the many solutions that have been provided to reduce the energy demand, some technologies and researches have also been aimed at optimizing the energy supply. The technology of simultaneous production of electricity and heat is among the technologies that have been ...

Number of pages: 129 Category: Civil Engineering

Abstract Babol-Babolsar study area, with an area of ??1817 square kilometers, is under the Babol-Amol area, which is located in Mazandaran province. About 898 square kilometers of the area is the plain and 919 square kilometers are the heights of the northern slopes of Alborz. Babolrud river is the main source of surface water in the area. The climate of Babol-Babolsar plain is ...

Number of pages: 103 Category: Electronic Engineering

Dissertation for Master's Degree in Mechatronics Abstract Today, the use of inter-vehicle communication as one of the technologies to increase the safety and comfort of travel in the field of transportation and many car manufacturing companies is being considered. A type of waste of time and energy that includes a major part of street traffic is the problem of car parking. The ...

Number of pages: 91 Category: Civil Engineering

Master's thesis in the field of civil engineering, river engineering, abstract, the lack of water resources and the poor quality of drinking water in the city of Qom, due to the predicted warming of the climate and the increase in the population, as well as the lack of a reliable water source within the limits of this province, reveal the necessity of carrying out the water ...

Number of pages: 95 Category: Civil Engineering

Dissertation for the degree of Master of Civil Engineering ""M.Sc."" In this research, an attempt is made to conduct case studies in a number of villages in the cities of Noorabad and Rostam in Fars province to determine the amount and factors affecting the error of the subscribers' meters in the rural water sector under different conditions, and finally, based on that, a ...

Number of pages: 95 Category: Chemical - Petrochemical Engineering

Master's thesis in the field of chemical engineering (simulation and process control) abstract design of the control system for the fluidized bed reactor for the production of linear light polyethylene of the LLDPE unit of Jam Petrochemical under the license of Basel and Spherilene technology with an annual production capacity of 300,000 tons of product is one of the largest ...

Number of pages: 173 Category: Biology - Environment

Doctoral Dissertation in the field of Civil Engineering - Water and Environment Abstract Network methods are among the most widely used groundwater modeling tools that have been widely spread and accepted in the last two decades. On the other hand, the advancement of computing power of computers and the ease of access to them have led to the rapid development of numerical ...

Number of pages: 91 Category: Chemical - Petrochemical Engineering

Dissertation for Master's degree in chemical engineering, thermokinetic orientation, abstract removal of hazardous organic pollutants from groundwater and wastewater is one of the most important topics in environmental research. Phenols and phenolic compounds have been identified as hazardous pollutants. Several technologies and processes have been developed for industrial ...

Number of pages: 127 Category: Civil Engineering

A master's thesis in the field of civil engineering - hydraulic structures Abstract Liquid storage air tanks are used not only to store water, but also to store chemicals and toxic substances in different forms. Considering the use of these structures in civil and urban development and industrial networks, their importance is determined before and after the earthquake. The ...

Number of pages: 127 Category: Biology - Environment

Master's Thesis of Civil Engineering - Water (M.Sc) Abstract Diagnosing the pattern of drought occurrence and its monitoring is important in determining the optimal approach to water resources management, especially regarding the water supply sources of big cities that are exposed to drought events from a climatic point of view. In the meantime, the city of Tehran is exposed to ...

Number of pages: 126 Category: Physical Education - Sports

Dissertation for Master's degree (M.A.) Major: Sports Physiology Abstract of the thesis (including summary, objectives, implementation methods and results obtained): The purpose of this research was to study the effect of the combination of resistance training and water thistle extract on liver enzymes in healthy male rats, and according to the objectives and nature of the ...

Number of pages: 117 Category: Electronic Engineering

Presented to graduate education management as part of the academic activities required to obtain a master's degree in the field of mechatronics. Abstract As you know, air conditioner is a high consumption device and has a Freon refrigeration cycle. What drew the companies to the production of inverters was to solve the shortcoming of air conditioners in high energy consumption. ...

Number of pages: 100 Category: Electronic Engineering

Master's Thesis Abstract: Short-term load forecasting, in the form of one-hour to several days load forecasting, has a significant impact on the operation of power systems. Because many energy management measures, such as setting up a cost-effective plan to use existing power plants, planning the purchase of fuel needed by power plants, entering and exiting units, developing ...

Number of pages: 56 Category: Chemical - Petrochemical Engineering

Doctoral Dissertation Proposal Abstract Gaseous pollutants, including volatile organic compounds and aromatic substances, are very harmful and dangerous for the environment and human health. There are many methods such as physical methods, chemical methods and biological methods to remove gaseous pollutants. In the meantime, biological methods are more widely used due to their ...

Number of pages: 107 Category: Chemical - Petrochemical Engineering

Master's Thesis in Chemical Engineering Abstract Simulation of dynamic surface tension phenomenon in solvent oil systems based on permeation process is one of the prominent processes in the field of increasing extraction from oil reservoirs, gas injection. Therefore, a correct understanding of the mechanisms and how these processes are carried out is a big step towards ...

Number of pages: 101 Category: Chemical - Petrochemical Engineering

Master's Thesis in the field of Nano Chemical Engineering Abstract Removal of phenol from industrial effluents using nanotechnology In this research, the photocatalytic removal of phenol as a model of organic pollutant in a fluidized bed reactor under ultraviolet and visible radiations has been studied. The effects of important parameters such as pH, catalyst concentration, ...

Number of pages: 150 Category: Chemical - Petrochemical Engineering

Master's thesis in the field of chemical engineering. Abstract of the laboratory study of cadmium removal from drinking water. Today, the pollution of natural waters with heavy metals has caused concern in many countries of the world due to the destructive effects it has on living organisms. Cadmium enters drinking water through sewage and erosion of mineral rocks and effluents ...

Number of pages: 90 Category: Chemical - Petrochemical Engineering

Master's degree thesis in the field of chemical engineering, thermokinetic and catalyst orientation. Abstract The purpose of this research is to estimate the electrical conductivity of natural waters based on modern mathematical methods. To achieve this, the waters of the Karaj and Jajrud rivers are considered as special cases. For this purpose, 20 sampling stations were ...

Number of pages: 70 Category: Chemical - Petrochemical Engineering

Master's Thesis on Simulation and Process Design Abstract So far, many methods have been presented to remove phenol from wastewater, among them, the membrane bioreactor process has received attention in the last decade. The use of hollow fiber membrane contactor in this process is to avoid direct contact between two phases and increase the surface-to-volume ratio. In the current ...

Number of pages: 147 Category: Chemical - Petrochemical Engineering

Master's Thesis of Chemical Engineering-Biotechnology Abstract Lipase is a carboxylic ester hydrolase enzyme that acts on triacylglycerol to release fatty acids, glycerides and glycerol. The discovery of the ability of lipase to catalyze the esterification reaction started a broad chapter in the field of this enzyme's functions. In this study, with the knowledge of the ability ...

Number of pages: 121 Category: Electronic Engineering

Master of Mechatronics Abstract As you know, the air conditioner is a high consumption device and has a Freon refrigeration cycle. What drew the companies to the production of inverters was to solve the shortcoming of air conditioners in high energy consumption. To improve energy consumption in every part of the industry, one should pay attention to several parameters, it is ...

Number of pages: 69 Category: Biology - Environment

Dissertation for Master's Degree in Advanced Chemical Engineering Abstract A new method based on point cloud extraction to extract uranium from water samples and its measurement using alpha spectrometry based on liquid scintillation has been investigated. Uranium extraction from water samples in the presence of a number of available surfactants and chelating reagents has been ...

Number of pages: 82 Category: Biology - Environment

Abstract Photovoltaic or PV for short is one of the types of electricity generation systems from solar energy. In this method, by using solar cells, direct production of electricity from sunlight becomes possible. Solar cells are semi-conductors that are made of silicon, the second most abundant element in the earth's crust. When sunlight shines on a photovoltaic cell, a ...

Number of pages: 87 Category: Facilities - Mechanics

Dissertation for Master's Degree in Mechatronics Abstract Today, the use of inter-vehicle communication as one of the technologies to increase the safety and comfort of travel in the field of transportation and many car manufacturing companies is being considered. A type of waste of time and energy that includes a major part of street traffic is the problem of car parking. The ...

Number of pages: 94 Category: Agricultural Engineering

Thesis for obtaining a master's degree in the field of: Agricultural Engineering, Agricultural Management, Abstract: In Iran, the agricultural sector is the largest water user. The low relative input price of irrigation water used in the mentioned sector causes the lack of proper investment in water harvesting technologies and its waste up to more than 80%. One of the important ...

Number of pages: 95 Category: Agricultural Engineering

Master's Thesis on Irrigation and Drainage Abstract In arid and semi-arid regions, wastewater treatment and its reuse is considered as an important factor in water resource planning. Some researchers believe that the use of treated wastewater in agriculture is a very suitable solution because the elements removed from the soil by the plants are returned to the soil and the risk ...

Number of pages: 85 Category: Electrical Engineering

Abstract The main task of the synchronous generator excitation system is to provide the necessary voltage for the generator excitation winding. The excitation voltage is a dc voltage and it is used to create a flux in the excitation winding of the generator and consequently to produce a magnetic field to produce electrical energy by a synchronous generator. In the provided ...

Number of pages: 78 Category: Agricultural Engineering

Dissertation for receiving a master's degree (M.Sc.) major: agricultural economics and estimation of the cost of destruction of underground water resources due to over-harvesting in Barshuri (case study: grain farmers of Arsanjan city) by: Jalil Khadem Al-Husseini Abstract Over-harvesting of underground water tables due to lack of proper management has led to a decrease in the ...

Number of pages: 155 Category: Electronic Engineering

Master's degree in electrical engineering, electronics, abstract, accurate measurement and control of temperature in industrial and research systems is of particular importance, and the correct operation of some industrial and laboratory tools is possible only in a specific location with a small number of channels (maximum 8 channels). Therefore, the decision was made to build a ...

Number of pages: 89 Category: Fisheries

Master's Thesis on Aquatic Ecology, Fisheries Abstract Rivers, as one of the most important water resources, are very vulnerable to human activities. Creating reservoirs and dams is one of the oldest forms of human intervention in aquatic ecosystems. Despite the many benefits (hydroelectric energy production, flood control and water level regulation), dams also have 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: 123 Category: Food and Packaging Industries

Abstract Background and Purpose: Emulsions are an important part of most food, pharmaceutical and cosmetic systems, which are very important in various industries due to their special rheological and physicochemical properties. But the main limitation of these systems is their thermodynamic instability, which causes phase separation over time. In this research, the effect of ...

Number of pages: 66 Category: Agricultural Engineering

Thesis for obtaining a master's degree in the field of agriculture, specialization: agricultural management. Abstract Water is known as one of the most important basic resources in the development process in every human society. Water crisis is one of the important environmental challenges of the Middle East region. The present research was conducted with the aim of ...

Number of pages: 97 Category: Agricultural Engineering

Dissertation for Master's Degree in Natural Resources Engineering - Watershed Abstract After glaciers and ice sheets, underground water resources are the largest fresh water reserves on earth and are one of the important sources of fresh water supply needed by humans. Since in most parts of the country, rains are often insignificant and sometimes appear as destructive floods, ...

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: 57 Category: Agricultural Engineering

Dissertation for obtaining the master's degree ""M.Sc."" The trend of agricultural mechanization, abstract, increasing the efficiency of wheat production per unit area, with the use of tillage and planting techniques, has received the special attention of farmers. Atmospheric and stack planting is one of the new methods in wheat production, which increases agricultural yield and ...

Number of pages: 70 Category: Veterinary Medicine

Dissertation: To receive the degree of professional doctor of veterinary medicine (D.V.M.) Farsi abstract Title: Investigating the contamination of drinking water of broiler farms in Piranshahr city with Escherichia coli bacteria Drinking water is one of the vital and nutritious factors that is necessary for optimal growth and control of body temperature and should always be ...

Number of pages: 99 Category: Electrical Engineering

Master's Thesis Abstract: Short-term load forecasting, in the form of one-hour to several days load forecasting, has a significant impact on the operation of power systems. Because many energy management measures, such as setting up a cost-effective plan to use existing power plants, planning the purchase of fuel needed by power plants, entering and exiting units, developing ...

Number of pages: 137 Category: Facilities - Mechanics

Mechanical Engineering (Tendency to Energy Conversion) Abstract: Investigating the disadvantages of urban water supply networks (as an example of the Langrod water network) and optimizing and designing the optimal network for a specific region using the HBMO honey bee matching algorithm. Due to the global water crisis, today a special approach to the design and optimal use of ...

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: 200 Category: Biology - Environment

Dissertation for M.Sc., Energy Systems Engineering - One of the most important issues related to the environment in the oil, gas and petrochemical industries is the proper disposal of waste hydrocarbon gases in industrial units and complexes. One of the most common methods available for the safe disposal of these gases is burning them in flares and releasing them into the ...

Number of pages: 88 Category: Geography - Urban Planning

Dissertation for Master's Degree (M.Sc.) Investigating the application of artificial neural network method in estimating the annual runoff of watersheds (Case study: Total Watershed, Fars Province) by: Jalal Zarei Abstract: The importance and place of water in human life, especially in the modern and overpopulated world, is not hidden from anyone, and industrial and urban life ...

Number of pages: 89 Category: Biology - Environment

Master's Thesis in Mechanical Engineering, Energy Conversion, Abstract Due to the lack of fresh water resources, it is of great importance to discover new ways of water production. One of the new methods of producing fresh water in low capacity is the use of air humidity, which is known as condensation water production system. In this method, the flow of hot and humid air is ...

Number of pages: 121 Category: Facilities - Mechanics

Dissertation for Master's degree (M.Sc) orientation: energy conversion. Abstract In this research, a study on irreversible absorption refrigeration systems based on internal and external irreversibility is presented with regard to the limited thermal capacities of external tanks. To optimize the system, three scenarios were defined, in which objective functions such as ...

Number of pages: 153 Category: Biology - Environment

Master's Thesis in Energy Systems Abstract In recent years, the possibility of using solar energy for cooling and dehumidification has occupied the human mind. Solar absorption cooling systems (Solar Absorption Cycles) have advantages such as not being environmentally dangerous and low energy consumption, especially during electrical peak hours. In addition, since the cost of ...

Number of pages: 128 Category: Facilities - Mechanics

Abstract: Considering the reduction of underground water resources and fossil fuels in today's world and also in Iran, prevention of energy waste and introduction of new methods in the preparation of potable fresh water from sea water will have a special place in the future world. Using methods such as evaporation-distillation methods can be one of these methods. Due to the high ...

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 ...