Download more than 100 examples of thesis, proposal and project topics about phase change material in editable WORD file format at undergraduate, graduate and doctoral levels for use and reference in research, articles, theses, student and academic projects.
Master's Thesis in Mechanical Engineering, Energy Conversion, Abstract: Thermal energy storage and phase change materials for use in heating and cooling systems of buildings has become an important issue in the last 20 years. When there is a mismatch between energy production and its consumption time, the issue of energy storage becomes important. In the present work, the fluid ...
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. ...
Master's Thesis on Car Structure and Body Abstract In recent years, many researchers have allocated their attention to a special category of materials, memory materials. The ability to absorb and control vibrations actively or passively, respectively, is affected by the features of shape memory and hysteresis energy loss caused by the pseudo-elastic characteristics of these ...
Dissertation for Master's Degree in Industrial Management, Financial Orientation Abstract After the Islamic Revolution and 8 years of holy defense, the economic situation was such that the government decided to pay subsidies to energy carriers in order to help the vulnerable and grow. In the following years, due to the sufficient economic growth and strengthening of the ...
Dissertation of the master's course in electrical field (M. Sc) orientation: power Abstract: In this thesis, electrical and mechanical defects in electric machines are examined and the factors that cause them and the methods of fixing these defects are stated. After that, with the help of the winding function method of the simulation machine and the intended error, i.e. the ...
Dissertation for Master's Degree in Chemical Engineering Abstract Critical characteristics for materials such as critical temperature, critical volume and critical pressure are important characteristics for predicting many thermodynamic properties of different materials. Knowing the critical properties plays an essential role in all hydrocarbon production and process operations. ...
Dissertation for Master's Degree in Nursing Education (Community Health Orientation) Abstract Introduction: Physical activity is one of the most important components of a healthy lifestyle and identifying various psychosocial variables affecting physical activity is of particular importance. Objective: This study was conducted with the aim of determining the amount of physical ...
Dissertation to receive a master's degree (((M.sc) specialization: medical nanotechnology) Abstract In the present research, the cation exchange property of clinoptilolite is used due to its negative charge in its structure. The connection of this research topic with medical nanotechnology is due to the nanopores and porosity of clinoptilolite and the high absorption level of ...
Master's Thesis in Telecommunication Electrical Engineering (Field Orientation) Abstract Analysis and simulation of metamaterial reflective array antenna at terahertz frequency In recent years, microstrip reflective array antenna has attracted a lot of attention and has been studied by many researchers. Because this antenna combines the outstanding features of array antenna and ...
Dissertation of the Master's course in the field of electricity (M. Sc) orientation: power Abstract: In this thesis, electrical and mechanical defects in electric machines are first examined and the factors causing them and the methods of fixing these defects are stated. After that, with the help of the winding function method of the simulation machine and the intended error, ...
Thesis for the M.Sc degree in wood and paper industry engineering, Mehr 2013 Abstract: In this research, the physical and mechanical properties of nanocomposites obtained from cellulose nanofibers and poly polymers
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 receiving the master's degree ""MA"" Field of industrial engineering: industries – Winter Industries 2013 Abstract Today attention is paid to the issue of supply chain and its management, in Asr
Master's thesis in the field of technology management, technology transfer trend, first chapter, generalities of the research 1-1) statement of the problem: commercialization[1] is an important category both in theory and in practice. The competition crisis of the 70s and 80s in the United States was not the crisis of creating new scientific and technological ideas, but the ...
Master's thesis in information technology management, comprehensive quality trend, first chapter, introduction, the emergence of the global village, which has been in existence for several decades, has brought about tremendous changes in matters related to the management and organization of organizations, which unfortunately, not only did our country not contribute to its ...
Dissertation for receiving a master's degree in the field: political geography. Abstract: The development of communication in the form of virtual space communication, the possibility of information exchange, access and access of people and devices to each other through the Internet at the same time, has created a new paradigm in human life, which is considered as an advantage ...
Master's Thesis Abstract The purpose of this research is to develop a strategic business plan for Behdeh tourism in order to provide an effective model. The research method is descriptive and relevant information and data have been collected using observation tools, document review, library sources and questionnaires. The statistical population of this research includes all ...
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 ...
Dissertation in master's degree in motion picture directing Abstract This research is an attempt to find answers to questions related to the effect of watching cartoons encouraging drawing on the drawings of preschool children and whether the production and distribution of such programs have been done to the required extent or not. The point that has been taken into ...
Master's Thesis of MBA, Financial Orientation Abstract: The progress of insurance is parallel with the economic development of the country. The development of insurance helps to improve the living conditions of the people of the country and preserve the national wealth and create large savings. When the economy of a country does not rely on insurance and its provision, the ...
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 ...
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 ...
Master's Thesis of Structures Abstract In the welding process, after a stage of cooling of the body, due to the uneven distribution of temperature, stresses remain in it, which are called residual stresses. To obtain these stresses, the temperature history of the object during the welding process must be available. For this purpose, first a thermal analysis is done to obtain the ...
Dissertation for master's degree in the field of civil engineering, road and transportation, the abstract of asphalt failures is one of the problems that are the concern of road and transportation engineers today, and every year huge costs are spent on the maintenance and repair of asphalt roads. Many efforts have been made to increase the strength and life of asphalt, among ...
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 thesis M.Sc. Discipline: Civil Engineering, Orientation: Hydraulic Structures. Abstract River containment is generally done by dams and similar structures. The flow passing through these structures has a significant potential for erosion and scouring of susceptible beds. Relaxation ponds are designed and built mainly for the purpose of depleting flow energy and ...
Thesis for obtaining a master's degree (M.A) (Field: Business Management, Major: Domestic Business) Abstract: In today's ultra-competitive world, the secret of survival and success of organizations is to understand the competitive structure of the market. Achieving this understanding requires management's knowledge and understanding of customer's opinions and demands, and ...
Dissertation for Master's Degree in Mechatronics Abstract In this thesis, a phase-locked loop is designed based on micro-electromechanical systems. The loop system has a feedback phase lock that compares the input phase with the output phase. This comparison is done by a phase detector. Phase detector is a circuit whose average output voltage is linearly proportional to the ...
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 ...
Abstract Underground facilities are an integral part of modern society and are used for many applications, including subways and railway lines, highways, material storage and water and sewage transportation. is used Underground facilities built in areas affected by earthquake activity must withstand both earthquake and static loading. By reviewing the historical cases of ...
Electrical-Electronics Engineering Master's Thesis Abstract In this thesis, we have used graphene nano-ribbons as an active layer of a solar cell for the first time. To simulate this cell, the non-equilibrium Green's function method was used in the mode space, and the effect of electron-photon interactions was calculated by means of Born's self-consistent approximation. To ...
Dissertation for Master's degree (M.A) specialization: exercise physiology (Banfi et al., 1993, Ververn et al., 1991). Therefore, increasing exercises, especially if their intensity and duration are high, may cause overtraining and performance drop and bring negative physical and psychological consequences. Among the biochemical indicators for evaluating overtraining status in ...
Master's thesis in the field of electricity and telecommunications. Abstract Analysis of the compensation error of the platform movement in the quality of radar imaging in stripmap mode. SAR is one of the most important branches of ""remote sensing"" science, which has received the attention of researchers for years due to its wide applications. In Iran, in recent years, ...
Dissertation for receiving a Master's degree (M.Sc.) specialization: Environment Abstract Gaseous liquids obtained from the refining of sour gases are also sour and contain a large percentage of hydrogen sulfide and mercaptans. Therefore, after distilling and preparing the products, it needs refining processes to remove or reduce the amount of sulfur and mercaptans present. ...
Dissertation for Master's Degree in Chemistry (Applied Chemistry - Polymer) Abstract: Ethylene polymerization was successfully performed in the presence of Phillips catalyst and in the slurry phase. In the continuation of the work, the effect of some effective parameters in polymerization, including the effect of trialkylaluminum, the effect of 1-hexane comonomer, the effect of ...
Master's thesis in the field of civil engineering, soil mechanics, and abstract excavation projects in urban areas are always at risk. Therefore, a suitable safety margin should be considered in the design of the guard structure. Traditional slope stability assessment methods, which are usually based on empirical judgments such as the concept of confidence factor and limit ...
Master's thesis in the field of chemical engineering (gas engineering trend) in recent years, many horizontal wells have been drilled around the world. The main reason is the ability to increase the level of the tank in contact with the well, which increases the utilization of the well. Well testing is used to identify the models of hydrocarbon reservoirs and to identify their ...
Master's Thesis in Nano Chemical Engineering Abstract The aim of this study is to separate cationic polyacrylamide from the waste water of Prodeh Tabas coal washing plant using the polymer membrane filtration process. The primary membrane was prepared using polyacrylonitrile (PAN) by phase inversion process, and then they were prepared using hydrolysis as chemical modification ...
Dissertation for Master's degree (M.A.) Major: Sports Management Abstract This research was conducted with the aim of investigating the role of leisure time based on physical activity in the productivity of employees of the South Pars Gas Complex Company. The method of causal research is comparative. The statistical population includes all male and female employees in 1993, ...
M.Sc. Dissertation for Master Degree in Chemical Engineering - Process Engineering Abstract Mercaptans are removed from hydrocarbon streams by various methods. The use of caustic soda solution and mucoli sieve beds are among the most widely used methods. In the oil and gas industries of our country, washing with relatively dilute caustic solution is often used to remove light ...
Master's thesis in the field of chemical engineering, abstract of simulation and optimization of biological reactor producing butanol, semi-continuous fermentation is an efficient and beneficial method to produce valuable metabolic products such as biofuels. Mathematical modeling of semi-continuous bioreactors is a very difficult and complex issue due to the transitory and ...
Dissertation for Master's Degree in Analytical Chemistry Abstract: Today, modern catalysts are used in the petrochemical industry for various reactions. Zeolites in the more advanced form of ""nano zeolite"" are very important in this regard due to their high surface area. The aim of this research is to provide a ""spectroscopy-chemimetry"" method and to provide an optimal ...
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. ...
Chemical engineering master's thesis without preface today simulation in processes can be an important tool to solve problems in different industries. A new idea that should be done in the real world by trial and error with a lot of costs and risks can be simulated in the environment of a strong software and the results can be used. Simulation can also be used to check and ...
Dissertation of the Ph.D course in Chemical Engineering, Biotechnology, Abstract: Clostridium Langali is a highly anaerobic estogenic bacterium that can grow on synthesis gas components, i.e. CO and H2/CO2, and convert them into ethanol and acetate at ambient temperature and pressure. During this process, the bacterium shows a complex metabolic pathway that includes both ...
A master's thesis in the field of chemical engineering. Abstract of the laboratory study of the wear phenomenon of gas containing sand and liquid droplets in pipelines. For this purpose, a pipeline test device including: vertical and horizontal pipelines and various connections has been made. The studied fluid consists of three phases: gas, liquid and solid. The gas phase is ...
Dissertation for receiving M.Sc degree) Major: Inorganic Chemistry Dissertation Abstract: We used Density Functional Theory (DFT) method at DFT/6-31G level to investigate the geometric structure, relative energies and electronic properties of possible protropic tautomers in Nexium, Protonix and Lamivudine. The structure and relative energies of tautomers in different solvents ...
Dissertation for obtaining a doctorate degree in dentistry. Introduction Removing large amounts of dental tissue weakens the restored tooth. The type of restoration and composite method can be one of the influencing factors on tooth fracture resistance under occlusal forces. The purpose of this study was to investigate the effect of using new low-shrinkage composites on the ...
Dissertation for Master's Degree in Health Sciences in Nutrition Abstract Background: Recent clinical studies have shown that conifer leaf extract (Cynara scolymus) has a protective effect on the liver. Therefore, this study was designed and carried out with the aim of investigating the therapeutic effects of conifer on liver biomarkers in patients with non-alcoholic ...
Dissertation for Master's Degree in Sports Physiology Abstract: Title: The effect of menstrual cycle on selected factors of physical fitness in non-athletic high school female students Background and purpose: Women face special conditions during their life, one of them is menstruation. Cycles that repeat every 28 days and have three phases: luteal, follicular and bleeding. Some ...
Master's thesis in the field of mining chemistry Abstract: In this study, the effect of amide substitution on the surface of graphene oxide was studied. Two amines were chosen to change the contact surface and absorption rate. of a linear diamine such as ethylenediamine[1] and cyclic amine 6-aminouracil[2] with two different characteristics were evaluated. After the synthesis ...
Master's thesis in the field of chemistry, Analytical Chemistry, Abstract In this project, a molecular template polymer was prepared for the selective extraction of phenylmercury chloride. To prepare this polymer, methacrylic acid (active monomer), ethylene glycol dimethacrylate (cross-linking agent), 2,2-azobisisobutyronitrile (initiator), phenylmercury chloride (target ...
Dissertation for Master's Degree in Organic Chemistry. Summary of the research done in this thesis consists of two parts, the first part is the synthesis of the precursor of 4,5-dihydropyrrolo[1,2,3-hi]indole-1,2-dione (compound 1) and one-pot, three-component synthesis of new derivatives of spiro terecates in water-green solvent and in the presence of HMTA catalyst. The second ...
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 ...
Abstract: Introduction: Diabetes or sugar disease is a metabolic disorder (fuel production) in the body. In this disease, the ability to produce insulin in the body is lost, or the body becomes resistant to insulin, and therefore the produced insulin cannot perform its normal function. There are two main types of diabetes. In type 1 diabetes, the destruction of beta cells in the ...
Thesis for master's degree in the field: chemical engineering Abstract Hard polyurethane[1] is always considered one of the most effective and practical polymers in various industries, especially the coating industry. Excellent adhesive property, curing ability at ambient temperature and corrosion resistance of this polymer are some of its remarkable features. This study was ...
Master's thesis in the field of chemical nanoengineering, abstract modeling of chloride ion removal from gas condensate using nanofiltration of chloride ion in gas condensate can cause severe corrosion of equipment and pipes. Therefore, it is necessary to remove it from the condensate flow. The aim of this work is the mathematical modeling of the nanofiltration process for the ...
Master's thesis in the field of chemistry, Analytical Chemistry, Abstract In this project, a molecular template polymer was prepared for the selective extraction of furan. To prepare this polymer, methacrylic acid (functional monomer), ethylene glycol dimethacrylate (cross-linking agent), 2,2-azobisisobutyronitrile (initiator), a mixture of pyrrole (furan substitute or target ...
Master's Thesis in the field of Chemical Engineering (no orientation) Abstract of the laboratory study of the wear phenomenon of liquid containing sand in pipelines. The studied fluid consists of two phases, liquid and solid. The liquid phase is water, and sand particles form the solid phase. In this research, the parameters affecting the wear rate, including: fluid speed, sand ...
Dissertation for receiving the master's degree ""M.Sc."" Direction: Process Engineering Abstract In this research, quantitative assessment of risk caused by process accidents, such as leakage The process equipment, including flanges and valves, which may occur in the gas pressure boosting station of Ramsar city, has been investigated. This evaluation is based on the collected ...
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 ...
Dissertation for Master's Degree (M.Sc) Direction: Applied Chemistry Persian Summary According to international standards, the sulfur in the fuels used in the transportation industry, as one of the most important polluting industries, should be reduced to about 10 ppmw, while many refineries in the world produce fuels with a sulfur content of more than 1000 ppmw. One of the new ...
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 ...
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 ...
Dissertation for Master's Degree in Mechanical Engineering (Applied Design) Abstract In this research, the analysis of vibrations, buckling and wave propagation of wrapped nano beam under axial load on Pasternak substrate is discussed. First, the displacement and displacement field of the wrapped beam is obtained. Then, using the obtained displacement field, strain-displacement ...
Dissertation to receive a Ph.D. in Pharmacy Persian Summary Simvastatin with the brand name Zocor is a drug that is widely used in the treatment of hypercholesterolemia. Simvastatin has a poor solubility in water which reduces its therapeutic benefit, drug solubility behavior remains one of the challenging aspects in formulation development. Considering that many drugs have ...
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. ...
Dissertation for receiving M.Sc degree in mechanical-structural engineering and the production of aluminide permeable coatings for the protection of gas turbines used in power plant, aviation, marine, oil and gas and petrochemical industries, which are mainly attacked by high temperature oxidation and hot corrosion phenomena. In this research, in order to use the effect of ...
Dissertation for a master's degree in civil engineering, soil and foundation mechanics. Abstract: Since many structures are built in dense urban areas, there is an increasing need to build buildings and geotechnical structures on soft clay soils. Clay soils usually show significant creep deformation. Although a lot of research has been done on the creep behavior of natural clay, ...
Dissertation for Master's Degree in Food Science and Engineering, Food Microbiology, Abstract: Today, the increase in environmental pollution and the decrease in oil resources have led to the development and replacement of biodegradable packaging instead of packaging derived from petroleum resources. Also, in this regard, the use of antimicrobial compounds such as silver ...
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 ...
Thesis for Master of Science in Agriculture Abstract In order to investigate the effects of different levels of iron and the use of mulch on the growth and performance of beans in the agricultural year of 2013 for one season of autumn cultivation after harvesting peanuts in Salestan village of Astana Ashrafieh in Gilan province, it was carried out using a split-plot experiment ...
The thesis submitted to graduate education management as part of the educational activities required to obtain a master's degree in the field of mechatronics. Abstract In this thesis, a phase-locked loop is designed based on micro-electromechanical systems. The loop system has a feedback phase lock that compares the input phase with the output phase. This comparison is done by a ...
The thesis for obtaining a master's degree in natural resources-environmental engineering is an abstract of the ecological system, a comprehensive and interconnected system, and human actions are a combination of large, small and repetitive activities. What is certain is that every human decision and action affects the environment, in other words, human activities, both small ...
Dissertation for M.Sc. Electrical Engineering - Control Abstract Considering the high consumption of petrochemical products in the world today and Iran's high potential for the development and supply of petrochemical feedstock, petrochemical complexes are of special importance. Therefore, one of the important reactions called acetylene hydrogenation has been investigated and ...
A master's thesis in the field of mechanics, applied design, abstract. These two characteristics are caused by phase transformations under different thermodynamic loadings. Depending on these two mentioned features, memory alloys can be used as actuators in different forms. These structures can be used in different fields such as medicine, aerospace, knowledge
Dissertation for the degree of general doctor of medicine Introduction: Examining the mental health status of students who are young and active members of the society and have a special position in the society is very important and since entering the university leads to major changes in a person's life, it is considered a very sensitive stage. In the present study, the mental ...
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 ...
Effects of hormones and explants on calligenesis, regeneration and cell suspension culture in fennel (Foeniuculum vulgare) Introduction: Fennel (Foeniuculum vulgare) is a herbaceous, stable, aromatic plant from the family of Chetrian, which is used for food and medicine in different regions of Iran. Considering the importance of the compounds of this plant in the pharmaceutical ...