نتایج جستجو برای: thermal balance

تعداد نتایج: 355852  

Journal: :تحقیقات موتور 0
مصطفی کوچک m. koochak سید مصطفی میرسلیم s.m. mirsalim علی کشاورز a. keshavarz آیت اله قره قانی a. ghareghani پیمان شرقی p. sharghi

in this paper, the heat balance of an engine was investigated experimentally. the experimental work was conducted on the ef7 natural gas fueled and turbocharged engine. the main goal was to develop an empirical equation to be able to predict the heat balance of the engine at various loads and conditions. the data were collected at four different conditions, two different loads and two different...

1996
H. Kähler

We derive the global energy balance in contact binaries evolving on a thermal time-scale, including the semidetached phase. Effects of accretion and rotation are taken into account. Within the framework of standard assumptions (uniform rotation, conservation of mass and angular momentum, spherically averaged components, each of them in hydrostatic equilibrium) the discussion is exact.

Journal: :international journal of automotive engineering 0
s. sanaye energy systems improvement laboratory, mechanical engineering department, iran university of science and technology, narmak, tehran, iran, 16844 m. dehghandokht

thermal modeling of an automotive cabin was performed in this paper to predict the inside cabin air temperature. to implement this task, thermal and ventilation loads were estimated and the mass and energy balance conservation equations for dry air and water vapor with considering a new parameter (air circulation ratio) as well as the balance equations of internal components of a cabin were der...

Azarikhah, P., Qasemian, A., Shojaeefard, M.H.,

Heat transfer in internal combustion engines is one of the most significant topics. Heat transfer may take place through thermal conduction and thermal convection in spark ignition engines. In this study, valve cover heat transfer and thermal balance of an air-cooled engine are investigated experimentally. The thermal balance analysis is a useful method to determine energy distribution and effi...

Journal: :Nippon Eiseigaku Zasshi (Japanese Journal of Hygiene) 1957

Journal: :International Journal of Biometeorology 2017

Journal: :Nephrology Dialysis Transplantation 2003

Journal: :Nephrology, dialysis, transplantation : official publication of the European Dialysis and Transplant Association - European Renal Association 1996
N W Levin A T Morris V A Lavarias Y Wang M B Glabman J P Leung S A Yusuf A L LeVoci H D Polaschegg A M Kaufman

Intradialytic body temperature changes are governed by the thermal energy balance and heat capacity of the body. Resting energy expenditure is dissipated to the environment by evaporation, conduction and radiation. Homeostatic mechanisms maintain body temperature to an individual set-point by changing the radiative heat loss through vasoconstriction and vasodilatation. During haemodialysis, the...

M. Dehghandokht, S. Sanaye,

Thermal modeling of an automotive cabin was performed in this paper to predict the inside cabin air temperature. To implement this task, thermal and ventilation loads were estimated and the mass and energy balance conservation equations for dry air and water vapor with considering a new parameter (air circulation ratio) as well as the balance equations of internal components of a cabin were de...

Journal: :پژوهش های جغرافیایی (منتشر نمی‏شود) 0
حسن ذوالفقاری استادیار گروه جغرافیای دانشگاه رازی کرمانشاه

abstract many indices designed by researches for study of human-biometeorology and bioclimatology that today broadly using for assessing the relationships between the climate and tourism .among the proposed indices, thermo- physiological indices as pet and pmv that derived from human energy balance models, important from others. to define of proper calendar for tourism in tabriz we have used of...

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