نتایج جستجو برای: heat storage and conductivity

تعداد نتایج: 16903624  

2007
Ju Li Lisa Porter Sidney Yip

In this the second part of a theoretical study of the thermal properties of crystalline-SiC, the thermal conductivity is calculated by using molecular dynamics simulation to evaluate directly the heat current correlation function and thus obtain the conductivity through the Green-Kubo expression in linear response theory. Adopting the same empirical potential model and the temperature scaling m...

1998
Ju Li Lisa Porter Sidney Yip

In this, the second part of a theoretical study of the thermal properties of crystalline b-SiC, the thermal conductivity is calculated by using molecular dynamics simulation to evaluate directly the heat current correlation function and thus, obtain the conductivity through the Green–Kubo expression in linear response theory. Adopting the same empirical potential model and the temperature scali...

ژورنال: علوم آب و خاک 2002
عباس شریفی تهرانی, , قربانعلی حجارود, , سیدعلی الهی نیا, , محمدجوان نیکخواه, ,

Rice bran is the most important by-product of rice milling. It is a valuable source of edible oil in most rice producing countries. Rice bran oil is used in babyfood, biscuit, poultry, fish and farm animal feeds. The storage of rice bran without 'heat processing will result in hydrolysis and auto-oxidation of lipids, and to its decreased physicochemical, organoleptic and nutritional quality. Ri...

رضا شکرانی, , محمد شاهدی, , شهرام دخانی, , کبری تجددی‌طلب, ,

Rice bran is the most important by-product of rice milling. It is a valuable source of edible oil in most rice producing countries. Rice bran oil is used in babyfood, biscuit, poultry, fish and farm animal feeds. The storage of rice bran without 'heat processing will result in hydrolysis and auto-oxidation of lipids, and to its decreased physicochemical, organoleptic and nutritional quality. Ri...

Low transmission of heat is one of the major problems for heat exchanger fluids in many industrial and scientific applications. This includes cooling of the engines, high power transformers to heat exchangers in solar hot water panels or in refrigeration systems. In order to tackle these problems in thermal industries, nanofluids could play a significant role as excellent heat exchanger materia...

Journal: :علوم گیاهان زراعی ایران 0
رامین عالیوند دانشجوی ارشد پردیس کشاورزی کرج رضا توکل افشاری استاد، پردیس کشاورزی و منابع طبیعی کرج، دانشکده علوم زراعی و دامی، گروه زراعت و اصلاح نباتات، تخصص: علوم و تکنولوژی بذر فرزاد شریف زاده دانشیار پردیس کشاورزی کرج

canola is one of the most important crops in the world and ranked as the third most important oil seed crop. adverse environmental storage conditions including high temperature and relative humidity could affect canola seed quality. the aim of this study was to evaluate the seed quality of canola seed under various seed moisture content, temperature and storage time using okapi cultivar. also, ...

H. Alemohammad J. Akbari M. Keikhaie, M.R. Movahhedi

Thin bonded films have many applications in antireflection and reflection coating, insulating and conducting films and semiconductor industries. Thermal conductivity is one of the most important parameter for power packaging since the thermal resistance of the interconnections is directly related to the heat removal capability and thermal management of the power package. The defects in material...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه تربیت مدرس - دانشکده علوم انسانی 1389

rivers and runoff have always been of interest to human beings. in order to make use of the proper water resources, human societies, industrial and agricultural centers, etc. have usually been established near rivers. as the time goes on, these societies developed, and therefore water resources were extracted more and more. consequently, conditions of water quality of the rivers experienced rap...

Journal: :نشریه دانشکده فنی 0
دکتر مجید ملکی جمشید محرری

in this paper, two-dimensional heat transfer in a semi-infinite wall with fins of rectangular profile has been investigated. the conduction equations of the wall and fins are solved simultaneously by a numerical method. the principal parameters of the problem are the fin spacing, length, and fin-to-wall conductivity ratio. in this investigation, the effect of these parameters on two-dimensional...

The effect of partial slip and temperature dependent fluid properties on the MHD mixed convection flow from a heated, non-linearly stretching surface in the presence of radiation and non-uniform internal heat generation/absorption is investigated. The velocity of the stretching surface was assumed to vary according to power-law form. Thermal transport is analyzed for two types of non-isothermal...

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