Download more than 100 examples of thesis, proposal and project topics about mass transfer coefficient in editable WORD file format at undergraduate, graduate and doctoral levels for use and reference in research, articles, theses, student and academic projects.
Dissertation for Master's Degree (M.Sc.) Direction: Chemical Engineering Abstract It has been less than two centuries that the preparation and distribution of food in a commercial manner and gradually modernized today to where any type of product or product can be purchased in any season, but since food is a perishable substance, different methods have been created for long-term ...
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 ...
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 ...
Chapter 1 1-1-Introduction: Common fluids such as water, oils and ethylene glycol, which are usually used as heat transfer media, have a limited ability in terms of thermal properties, which is the first obstacle to compress and increase the efficiency of heat exchangers. One of the ways to improve heat transfer is to add particles to the fluid. This method is used for fluids ...
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. ...
Thesis for Master's degree (M.A.) Abstract In order to investigate the effect of planting date on dry matter allocation coefficients in soybean cultivars (DPX, Williams, Parshin), an experiment was conducted with 3 planting dates (June 30, July 9, and July 19) in the form of a randomized complete block design in four replications. In order to determine the dry matter allocation ...
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 ...
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 ...
In order to receive a master's degree in civil-soil and soil engineering in March 2013, abstract, different methods are used to stabilize pits, among them nailing method and ink method.
Dissertation for Master's Degree (M.A.) Department of Social Sciences, Orientation: Researcher Abstract: The present meta-analysis is an attempt to re-analyze a set of these pathological researches in the field of factors affecting group conflict, in the present research for the meta-analysis of the research conducted, first the effect size was determined according to the ...
Master's Thesis in Communication, Advertising Orientation and Cultural Communication Abstract: This research aims to investigate the role of new media in promoting religious culture among communication students of Tehran and Soura University. The main question of this research is whether there is a relationship between new media and the promotion of religious culture. In this ...
Dissertation for Master's Degree Abstract In developing countries, such as Iran, environmental issues have socio-cultural aspects rather than technical aspects. Therefore, the main goal of environmental protection in relation to the social environment is to increase environmental awareness at the community level and change the social vision and strengthen the environmental ...
Master's thesis in the field of computer - software engineering. Abstract: The review of car insurance information has shown that factors such as the type of car used, having a driver's license, the type of license and its compatibility or non-compatibility with the vehicle, the amount of the insurance premium, the amount of insurance policy obligations, the quality of the car ...
Dissertation for Master's Degree in Civil-Structural Engineering Abstract In our country, most of the structures and maybe all the conventional buildings are analyzed and designed independently, which means that these structures are mainly analyzed and designed by conventional software and considering a rigid or articulated support, and then the forces obtained at the base of ...
Master's thesis in the field of civil engineering, soil and foundation, in this research, the bearing capacity of the conical pile group and the cylindrical pile group with the same volume are calculated and compared. Due to the lack of numerical studies and modeling by software for conical piles compared to laboratory tests in this field, in this research, the modeling of the ...
Civil Engineering Master's Thesis, Soil and Foundation Engineering Abstract In this thesis, in order to analyze the behavior of surface foundations based on reinforced soil, a simple physical method based on the resistance of materials called ""cone method"" is used, which is actually used as an alternative to the exact solution methods that are based on the three-dimensional ...
Thesis for Master's degree in the field: Chemical Engineering Abstract Today, tea is one of the most popular drinks among the people of the world, especially in Iran, that's why drying tea leaves is essential for long-term storage. In this research, both a tea leaf and a pile of it were examined and dried. Green tea leaves were dried in the temperature range of 35 to 55 degrees ...
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 ...
Abstract: In electromyography studies, it is generally accepted to normalize the signals so that they can be compared and interpreted. But due to the lack of a standard method for normalization, there are many differences in the normalization method. These differences are related to the reference signal measurement method. The purpose of this study is to compare the reliability ...
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 ...
In order to obtain a master's degree in chemical engineering, abstract freezing of fans in operational units, including the hydrogen unit of Imam Khomeini Shazand Refinery in the cold seasons of the year is one of the important problems in this refinery. In order to provide a suitable solution to this problem, we must have a suitable estimate of the fan outlet temperature. The ...
Master's thesis in the field: Chemical Engineering Abstract In this research, a comprehensive two-dimensional model based on the Finite Element Method (FEM) is proposed for modeling gas-solvent membrane contactors to remove carbon dioxide[1] from synthesis gas. Aqueous solution of monoethanolamine has been used as absorbent solvent stream and CO2/N2 gas mixture as gas stream. ...
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 ...
Dissertation Chemistry for Master's Degree Abstract Acrylic-based pressure-sensitive adhesives are more expensive than rubber-based adhesives, but they have a longer life and resistance to high temperatures, chemicals, UV rays, solvents, light, softeners, and the environment. Modification of acrylic pressure-sensitive adhesives is useful for improving adhesion properties. In ...
Thesis of the master's degree in the field: chemical engineering, abstract. In designing the network of heat exchangers, the designer usually considers high operational flexibility in the presented plan. However, some of the changes that occur in the operating conditions of the process after the design, determine the need to modify the existing network. The purpose of the ...
Dissertation for receiving a master's degree in chemical engineering, advanced orientation. Abstract The limitation of heat transfer fluids in various industries due to their poor thermal conductivity has caused the improvement of the heat transfer of working fluids to be considered as a new method of advanced heat transfer. So that the idea of ??dispersing solid particles in ...
Master's Thesis in Chemical Engineering Abstract: The purpose of this thesis is mathematical modeling of rotary dryer for drying dicalcium phosphate. In this project, with different temperature conditions and different number of cycles of the dryer, the moisture level of the product exiting the dryer has been checked. As a result, 100 data have been obtained from the output of ...
Master's Thesis of Chemical Engineering-Biotechnology Abstract The deteriorating energy sources of fossil fuels will make the developing human society suffer from fuel shortage in the not too distant future. As a result, the concerns of the continuous and increasing release of carbon dioxide into the atmosphere, as well as the extent of pollution caused by fossil fuels that have ...
Master's Thesis, Energy Conversion, Abstract: In this project, we will numerically investigate a stable gas flow in a microchannel with a rectangular cross-section. The flow with a certain temperature enters the channel with a constant temperature wall. Momentum and energy equations are discretized and solved numerically. Discretization has been done by FVM method and ...
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 ...
Master's Thesis in Soil Science Abstract: Today, tracking in water and soil issues has found a much wider application compared to the past. Examining the hydraulic connection and hydrodynamic characteristics of underground water tables, evaluating the origin and spread of pollution are among the most important applications of this method. In our country, along with the ...
Master's thesis in the field of mechanical engineering, energy conversion trend. Abstract: Considering that heat transfer is widely used in various fields of science, it is necessary to use wide recessed or raised surfaces due to physical and spatial limitations in electrical systems. The main purpose of using these surfaces is to increase heat transfer by increasing the ...
Dissertation for Master's degree (M.Sc.) Direction: Watershed, the effect of different components of rainfall on the morphometric characteristics of landslides in Mazandaran province. Abstract: Landslide is one of the main landslide processes that affects the evolution of mountainous regions and causes catastrophic events. Landslides in Iran, especially in the northern basins of ...
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 ...
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 ...
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 ...
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 ...
Dissertation for Master's Degree in Polymer Industry Engineering April 2013 Abstract Nowadays, the topic of energy and energy saving in all fields, even in homes, is one of the most important.
Dissertation for receiving a master's degree in the field of ""M.A"" specialization: insurance management, abstract of companies for their survival in today's turbulent and changing world, new ideas and Need new comments. The increase of threats on the one hand and the use of opportunities on the other hand in the tense and unpredictable environment make companies face strong ...
Dissertation for M.A. degree Abstract of this research, knowing the conditions governing the Fahlian River, determines the Manning roughness coefficient in the studied area using various experimental and semi-experimental methods and tables for use in designs. And it presents the best and most reliable method of determining the roughness coefficient using field studies and ...
Civil Engineering Master's Thesis - Soil and Foundation Mechanics Abstract From the past until now, one of the most economical methods to improve the mechanical properties of clay soils has been stabilization by means of additives such as lime and cement in construction projects such as road construction and consolidation of building foundations. Also, with the passage of time ...
Dissertation for Master's Degree in Physical Education Abstract In recent developmental research, lifelong growth has been investigated. Motor development and cognitive development are two different categories, but they interact with each other. The aim of the present study was to investigate the relationship between body mass index and mental rotation in active and inactive ...
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 ...
Thesis for receiving a master's degree in mining engineering - mineral processing trend. The abstract of the Golghar Sirjan complex magnetite processing plant includes three circuits of dry crushing and classification, dry magnetic separation and crushing and more magnetic separation. The tonnage of the incoming feed to the factory is 450 tons per hour and the tonnage of the ...
Dissertation for Master's Degree in Physical Chemistry Abstract In this research, to evaluate the intermolecular potential energy level (IPS) of the F2-F2 system, the second virial coefficient of fluorine gas was calculated. The IPSs were obtained using the QCISD(T) level of theory and the cc-pVTZ-aug basis set. Calculations were performed in the temperature range of 100 to 600 ...
Dissertation for Master's Degree in Mechanical Engineering, Energy Conversion, Abstract Most of the time, initial information and boundary conditions are not precisely defined and cause errors in the output of the problem. These initial values ??can be obtained through experiments and statistical methods. It is often not possible to study individual members of the society due to ...
Master's Thesis in Mechanical Engineering (Energy Conversion) Abstract Numerical investigation of three-dimensional heat transfer in traveling wave amplifier collector with input power of 900 and 3000 watts, traveling wave lamp[1] is one of the types of microwave amplifiers. This lamp consists of five main parts, which are electron gun, slow wave structure, wave input and output ...
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 ...
Dissertation for receiving a master's degree in the field of structural oriented civil engineering, 2013, although the construction and design methods of structures have expanded over the years, but still the effect of earthquakes is one of the most important.
Thesis of master's degree in civil engineering, soil and foundation mechanics orientation, September 2019, abstract: analysis of dynamic interaction between soil and structure (due to the mutual effect of the structure and its retaining soil on each other), D
Dissertation for receiving the master's degree (M.A.) public management, human resources orientation, summer 2019, abstract knowledge in today's advanced world of organizations, is rapidly becoming a competitive advantage.
Dissertation for receiving the master's degree (M.A.) orientation ""transformation"" Fall 1993 Thesis abstract (including summary, objectives, implementation methods and results obtained): The purpose of the current research is to investigate the relationship between
Master's Thesis in Civil Engineering - Earthquake Engineering March 2012 Abstract Reinforced soil is a special material that is created from the combination of soil and reinforcing member. Arming components resistant to N
Thesis for receiving the degree of M.Sc. Trend: soil and soil in February 2013 Abstract: Allowed load capacity or safe load capacity is a virtual pressure that is within the range of
Dissertation of Master's Degree in Civil Engineering – Earthquake Engineering 2013 Abstract: Concrete beam and slab bridges with neoprene supports are among the most common highway bridges in the country.
Dissertation for M.Sc degree in soil and soil mechanics engineering, summer 2013, first chapter, introduction of micro candles 1-1 Micro-candles in general in dealing with problematic soils
Thesis of master's degree in media management, winter 2013, the study of Hamshahri, Jam Jam and Khorasan online newspapers, the literature abstract of the subject in the field of online newspapers, including articles
Dissertation for Master's Degree in Public Management, Organizational Transformation Orientation Winter 1391 Abstract The current research aims to investigate the relationship between transformational leadership and Empowerment of psychology
Dissertation for Master's degree (M.A) Major: Climatology Abstract: Geographically, Iran has little rainfall due to its proximity to the subtropical high pressure center of STHP and the prevailing weather conditions of this system. In the southern regions of the country, as a result of the longer rule of this system, the drought phenomenon becomes more acute. Rainfall changes ...
The first chapter of research overview Introduction: With the development of cities and the increase in demand for intra-city travel, the need to move people and goods has increased day by day in recent years. Meanwhile, transportation experts and urban planners have found the only way to manage transportation and traffic in cities is to increase the share of mass and public ...
Dissertation for receiving a master's degree in educational technology (M.A) Abstract This research was conducted with the aim of presenting a courseware based on the model of concept acquisition and investigating its effect on vocabulary learning and memorization and comprehension of first-year high school students in English. This study is in the group of quasi-experimental ...
Master's Thesis in Family Counseling Abstract: The present study was conducted with the aim of investigating the relationship between emotional intelligence of female teachers and violence against them. In addition, subscales of emotional intelligence were used to predict violence against female teachers. For this purpose, 280 female teachers were selected by cluster sampling ...
Theoretical thesis for master's degree in dramatic literature. Abstract In this research, popular culture has been defined and investigated, considering that the current era is an era of extensive changes and transformations, and communication technology is one of the important tools in the transfer and exchange of information and culture. The role and importance of culture is ...
Dissertation for master's degree in the Department of Geography and Urban Planning Abstract One of the phenomena that today's cities, especially large cities, are facing is the phenomenon of high-rise construction. The rapid and uncontrolled growth of the population in cities and the consequent need for housing on a large scale, on the one hand, and preventing the horizontal ...
Dissertation for Master's degree (.MA) Major: Sports Management Abstract The purpose of this research is to investigate the relationship between some personality traits and the quality of work life with the organizational commitment of female managers in Shiraz Sports Department in 2013. Using the total number method, 90 people were selected as a sample. To collect data, the ...
Dissertation for Master's Degree in Social Sciences Abstract: The present study was conducted with the aim of investigating the relationship between social factors and the level of political awareness of women in Garami city. The research method in this study is a survey, and the statistical population includes all women over 20 years old in the city of Garami, which is about ...
The abstract of the current research was conducted with the aim of knowing the role of the internal factors of the newsroom on the quantity and quality of television news. In this research, which was conducted through a survey method by distributing a questionnaire among a statistical sample of the employees of the Central News Unit of the Islamic Republic of Iran; The ...
The abstract of the present research has studied the extent and manner of representation of national identity in the 21:00 detailed news section of the first channel of Sima using the method of categorical content analysis. The first channel of Sima is a national network and can be found all over the country, and its detailed news section at 21:00 is one of the late and popular ...
Abstract: Evaluating employees' performance is one of the most effective tools for measuring efficiency and making decisions about their careers. Recruitment and training, retention, relocation, encouragement and punishment, retrenchment and other issues related to employees are all related to the performance evaluation system. The purpose of this research is to provide a ...
Abstract: The purpose of this research is to investigate the effect of the presence of mobile educational factor in multimedia on students' learning, memorization and learning motivation in geography. To conduct the research, from among the statistical population of the research, which were all female students in the third year of middle school in district 4 of district 6 of ...
Master's thesis in the field of educational sciences, orientation, abstract, the purpose of this research was to examine the relationship between the use of information technology and the expansion of equal educational opportunities in Mazandaran province, which was carried out in a survey way. The statistical population consisted of all the employees of the education ...
Master's Thesis in Advertising and Cultural Communication Abstract Investigating the manner in which competing media pay to the news of the day - on July 18, when the political history of the opposition events in Iran took place, and on October 9, when the Palestine Conference was held with the participation of Islamic countries as the cause of the Islamic Revolution and the ...
Dissertation for receiving master's degree in public administration, human resources, abstract of the present research with the aim of determining the relationship between knowledge sharing and the job performance of the employees of the General Department of Labor Cooperative and Social Welfare of Isfahan Province. The statistical population of the research was 700 employees of ...
Dissertation for Master's Degree in Educational Management Abstract of the present research with the aim of determining the relationship between the learning organization and organizational effectiveness in Allameh Tabatabai University in 2013-2014 using the correlation method. The statistical population of this research is all the administrative staff of the faculties of ...
Thesis for obtaining a master's degree in the field of natural geography, specialization: geomorphology in environmental planning. Abstract: Nowadays, it is necessary to pay attention to the phenomenon of landslides and to predict, identify, control and reduce the risks and damages caused by it as one of the forms of unexpected events. Landslide is a phenomenon that depends on ...
Abstract The Persian Gulf is one of the strategic and vital points from the point of view of international politics. In addition to the importance of shipping, the discovery and extraction of huge oil and gas resources and the strong dependence of countries on these materials as vital materials for industry have increased the geopolitical importance of this region. In such a way ...
Dissertation for Doctoral Degree (Ph.D) Major: General Psychology Dissertation Abstract (Including Summary, Objectives, Implementation Methods and Results): In this research, in order to examine the relationship between cognitive and metacognitive skills and academic achievement motivation and to determine the technical characteristics of Hermans Cognitive and Metacognitive ...
In order to receive a master's degree in the field of cognitive psychology, the aim of this study was to study the arousal, pleasantness and dominance of the words used in the common titles of Persian language websites inside and outside the country and to determine its relationship with the arousal, pleasantness and dominance of the whole news headline and to evaluate domestic ...
Dissertation for Master's Degree in General Psychology Abstract: This research was conducted with the aim of determining the relationship between religious attitude, psychological well-being and job burnout among male secondary school teachers in Shahrekord city. The research method was correlation type and the statistical population was all male secondary school teachers in ...
Dissertation for receiving a master's degree major: Accounting Abstract: The purpose of this research is to investigate the relationship between changes in dividends, earnings per share and changes in earnings per share with changes in future earnings. In this research, information related to the balance sheet, profits and cash flow of 100 companies active in the Tehran Stock ...