نتایج جستجو برای: thermal performances

تعداد نتایج: 265476  

پایان نامه :وزارت علوم، تحقیقات و فناوری - پژوهشگاه مواد و انرژی - پژوهشکده سرامیک 1392

thermal barrier coatings (tbcs) are used to provide thermal insulation to the hot section components of gas turbines in order to enhance the operating temperature and turbine efficiency. hot corrosion and thermal shocks are the main destructive factors in tbcs which comes as a result of oxygen and molten salt diffusion into the coating. in this thesis atmospheric plasma spraying was used to dep...

2016
Manoj Kumar Singh Sadhan Mahapatra S. K. Atreya

Solar passive techniques are being used in vernacular buildings throughout the world. Researchers have done extensive study on thermal performance of vernacular buildings in the different parts of the world. Vernacular architecture of North-Eastern India represents the principle of climate-responsive architecture, which still lacks experimental validation and quantitative analysis. Thermal comf...

2005
M. A. Belaïd K. Ketata K. Mourgues M. Gares M. Masmoudi J. Marcon

This paper presents the results of comparative reliability study of two accelerated ageing tests for thermal stress applied on power RF LDMOS: Thermal Shock Tests (TST, air-air test) and Thermal Cycling Tests (TCT, airair test) under various conditions (with and without DC bias, TST cold and hot, different extremes temperatures ∆T). The performances shift for some critical electrical parameters...

Climate changes caused by global warming has presented challenges to human society. Studying the Changes of climate variables in the future decades by using output data’s of Atmosphere-Ocean Global Circulation Models (AOGCM) is a way of perusing climate fluctuation in a region. In this study, the focus is on the AOGCM proceeds in simulating of variable temperature in Ahwaz and Abadan stations. ...

Journal: :Microelectronics Journal 2007
M. A. Belaïd K. Ketata Karine Mourgues M. Gares Mohamed Masmoudi Jérôme Marcon

This paper presents the results of comparative reliability study of two accelerated ageing tests for thermal stress applied on power RF LDMOS: Thermal Shock Tests (TST, air-air test) and Thermal Cycling Tests (TCT, airair test) under various conditions (with and without DC bias, TST cold and hot, different extremes temperatures ∆T). The performances shift for some critical electrical parameters...

2017
Zhengming Shu Xiaoyong Zhu Li Quan Yi Du Chang Liu

Flux-switching permanent magnet (FSPM) motors have gained increasing attention in the electric vehicles (EVs) applications due to the advantages of high power density, high efficiency. However, the heat sources of both permanent magnet (PM) and armature winding are located on the limited stator space in the FSPM motors, which may result in the PM overheated and irreversible demagnetization caus...

Journal: :Water research 2015
M C Gagliano C M Braguglia A Gianico G Mininni K Nakamura S Rossetti

Thermal hydrolysis pretreatment coupled with Thermophilic Anaerobic Digestion (TAD) for Waste Activated Sludge (WAS) treatment is a promising combination to improve biodegradation kinetics during stabilization. However, to date there is a limited knowledge of the anaerobic biomass composition and its impact on TAD process performances. In this study, the structure and dynamics of the microbial ...

Journal: :IOP conference series 2023

Abstract The study investigates the performances of high efficiency flat solar thermal collectors, under climatic conditions Galați, Romania. same mathematical model was used to evaluate stationary and transitory behavior 12 effic iency with reduced heat losses. characteristics collectors were extracted from technical reports two European independent testing laboratories. annual specific energy...

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