Başlık için Mühendislik Fakültesi listeleme
Toplam kayıt 847, listelenen: 785-804
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Theoretical study of thermoelectric properties of n-type doped Mg2Si0.4Sn0.6 solid solutions
(Taylor & Francis Ltd, 2016)In this work, a systematic theoretical investigation of thermoelectric properties of n-type doped [GRAPHICS] solid solutions with [GRAPHICS] is presented in the temperature range [GRAPHICS] K. Electronic transport properties ... -
Theoretical study of thermoelectric properties of p-type Mg-2 Si1-chi Sn-chi solid solutions doped with Ga
(Elsevier Science Sa, 2017)Mg-2 Si-Mg-2 Sn solid solutions are a promising class of thermoelectric materials. the thermoelectric properties of p-type Mg-2(Si-0.3 Sn-0.7)(1-y) Gay solid solutions with the doping levels as y = 0.05 and y = 0.07 are ... -
Thermal analysis of building roofs with latent heat storage for reduction in energy consumption and CO2emissions: An experimental and numerical research
(Hindawi, 2024)In green energy buildings, air conditioning charges can be lowered through careful planning of the building's envelope. This article investigates several strategically designed phase change material (PCM) roof envelopes ... -
Thermal and energy analysis of a novel solar updraft tower design with divergent chimney and convergent collector concept: CFD analysis with experimental validation
(Oxford University Press, 2024)The fact that energy sources are heavily dependent on fossil fuels increases the need for alternative energy day by day. Solar energy is the most popular alternative energy source with massive potential. Solar chimney power ... -
Thermal energy storage performance of PCM/graphite matrix composite in a tube-in-shell geometry
(Elsevier, 2021)Melting heat transfer performance and measuring energy storage efficiency via total melting time of PCM/ graphite matrix in a tube-in-shell for solar thermal energy storage and recovering waste heat applications is studied ... -
Thermal insulation and mechanical properties of a specially improved insulation plaster under freezing-thawing and high-temperature conditions
(Oxford University Press, 2023)In this study, the effects of heat preservation and the resistance to environmental conditions of ready-made insulating sludge used in the interior and exterior facades of the buildings were investigated. The insulation ... -
Thermal investigation and flow pattern analysis of a closed-loop pulsating heat pipe with binary mixtures
(Springer Heidelberg, 2020)The present study basically examines thermal performance and relevant flow phenomena of a flat plate closed-loop pulsating heat pipe (FP-CLPHP) filled with binary mixtures. the heat pipe has eight turns, each of which ... -
Thermal performance evaluation of a solar air heater integrated with helical tubes carrying phase change material
(Elsevier, 2020)In this present work, the efforts have been made to improve the efficiency of solar air heater (SAH). For this, total two models have been developed. There is one reference model SAH-A and one modified model SAH-B which ... -
Thermal performance study of solar air dryers for cashew kernel: A comparative analysis and modelling using response surface methodology (RSM) and artificial neural network (ANN)
(Hindawi, 2022)In this study, a new procedure for drying of cashew kernels is proposed. The new methodology involves the use of solar air dryers to remove the dark sticky coating called testa on the surface of the cashew kernel to get ... -
Thermal properties of aerogels: From theory to practice
(Nova Science Publishers, Inc., 2019)Due to growing economies and populations, the world temperature has risen gradually. The increase in temperature reached about 0.8 within the last decades. Global warming is considered as one of the vital issues for not ... -
Thermal sensitivity and potential cooling-related energy saving of masonry walls through the lens of solar heat-rejecting paints at varying orientations
(Elsevier, 2023)This study aims to analyse the thermal efficiency of wall elements with varying position-allocation-thickness of insulation, in the aspect of the optical properties of their external paint. A special focus has been placed ... -
Thermodynamic analyses and case studies of geothermal based multi-generation systems
(Elsevier, 2012)In this study, energy and exergy analyses of new geothermal energy based multi-generation systems with seven different combinations for practical applications are performed. The systems considered are mainly examined under ... -
Thermodynamic based environmental and sustainability assessments of gas flow in a curved annular channel
(Pergamon-Elsevier Science Ltd, 2020)The main objective of this research paper is to perform a parametric comparison of gas flow (air and hydrogen) through a curved channel in terms of thermodynamic based environmental and sustainability analysis. For this ... -
Thermodynamic comparison of a steam, hot water and hot air production system consuming Soma and Afsin lignites under stoichiometric conditions
(Inderscience Publishers, 2017)This study presents thermodynamic comparison of a steam, hot water and hot air production system consuming Soma and Afsin lignites under stoichiometric combustion conditions. For this purpose, using the results from ... -
Thermodynamic performance analysis of a low-cost, recycled and energy-efficient solar air heater with waste beverage cans: an experimental research
(Springer, 2023)Solar air heaters are at the centre of interest owing to their widespread use for various purposes. In the study, thermal performance analysis of a solar air heater that can be easily produced from daily waste materials ... -
A thermodynamic review on solar ponds
(Elsevier, 2022)Solar energy is a clean source of renewable energy and people around the world are getting a lot of benefits day by day through the utilization of solar energy technology. Among various solar energy systems, a solar pond ... -
A thermodynamic review on solar stills
(Elsevier, 2022)The supply and quality of water is still a problem in undeveloped or developing nations. Researchers from different countries have developed various distillation or desalination techniques among which solar distillation ... -
Thermoelectric coolers (TECs): from theory to practice
(Springer, 2019)Thermoelectric coolers (TECs) are solid state units, which provide reliable energy conversion with no noise or vibration. They are also lightweight and do not include any moving parts. the current coefficient of performance ... -
Thermoelectric properties of Bi2Se3/Bi2Te3/Bi2Se3 and Sb2Te3/Bi2Te3/Sb2Te3 quantum well systems
(Taylor & Francis Ltd, 2014)In this work, we develop a theory of thermoelectric transport properties in two-dimensional semiconducting quantum well structures. Calculations are performed for n-type 0.1 wt.% CuBr-doped Bi2Se3/Bi2Te3/Bi2Se3 and p-type ... -
Thermoelectric properties of Mg2X (X = Si, Ge) based bulk and quantum well systems
(Amer Inst Physics, 2017)Mg2X (X = Si, Ge) compounds are promising thermoelectric materials for middle temperature applications due to good thermoelectric properties, nontoxicity, and abundantly available constituent elements. So far, these materials ...
