نتایج جستجو برای: variable internal heat generation

تعداد نتایج: 1009331  

A. Rezvani, G. Karami and M. Yaghoubi,

One of the great enemies of rubber compounds is heat. Heat will cause chemical and physical degradation of vulcanized rubber as well as a considerable loss in its strength. A major source of heat generation in a tire is due to internal friction resulting from the viscoelastic deformation of the tire as it rolls along the road. Another source of heat generation in a tire is due to its contact fr...

A. Rezvani, G. Karami and M. Yaghoubi,

One of the great enemies of rubber compounds is heat. Heat will cause chemical and physical degradation of vulcanized rubber as well as a considerable loss in its strength. A major source of heat generation in a tire is due to internal friction resulting from the viscoelastic deformation of the tire as it rolls along the road. Another source of heat generation in a tire is due to its contact fr...

Journal: :Mathematical and Computer Modelling 2010
Sadia Siddiqa Saleem Asghar M. Anwar Hossain

The present investigation deals with study of laminar natural convection flow of a viscous fluid over a semi-infinite flat plate inclined at a small angle to the horizontal with internal heat generation and variable viscosity. The dimensionless boundary layer equations are solved numerically for a negatively inclined plate using a very efficient marching order implicit finite difference scheme....

2016
Trushit Patel Ramakanta Meher

In this paper, Adomian decomposition sumudu transform method is introduced and used to solve the temperature distribution in a solid and porous fin with the temperature dependent internal heat generation for a fractional order energy balance equation. In this study, we assume heat generation as a variable of fin temperature for solid and porous fin and the heat transfer through porous media is ...

A. Zehforoosh S. Hossainpour,

In this paper, the effect of the Brownian term in natural convection of CuO-Water nanofluid inside a partially filled porous cavity, with internal heat generation has been studied. It is assumed that the viscosity and thermal conductivity of nanofluid consists of a static part and a Brownian part of which is a function of temperature and the volume fraction of nanofluid. Because of internal hea...

Journal: :تحقیقات نظام سلامت 0
حبیب اله دهقان شهرضا دانشجوی دکتری، گروه مهندسی بهداشت حرفه ای، دانشکده علوم پزشکی، دانشگاه تربیت مدرس، تهران، ایران. سید باقر مرتضوی دانشیار، گروه مهندسی بهداشت حرفه ای، دانشکده علوم پزشکی، دانشگاه تربیت مدرس، تهران، ایران. محمد جواد جعفری دانشیار، گروه مهندسی بهداشت حرفه ای، دانشکده بهداشت، دانشگاه علوم پزشکی شهید بهشتی، تهران، ایران. محمد رضا مراثی دانشیار، گروه آمار زیستی و اپیدمیولوژی، دانشکده بهداشت، دانشگاه علوم پزشکی اصفهان، اصفهان،ایران. علی خوانین دانشجوی دکتری، گروه مهندسی بهداشت حرفه ای، دانشکده علوم پزشکی، دانشگاه تربیت مدرس، تهران، ایران. مهدی جهانگیری کارشناس، مسؤول بهداشت حرفه ای، شرکت ملی صنایع پتروشیمی ایران، تهران، ایران.

background: heat stress is one of the most important consequences of occupational heat exposure worldwide. current heat stress indexes are not suitable for heat strain screening in developing countries due to their inherent and applied limitations. a new observation and subjective screening method is required that needs no instrument. in this study, a scale is developed based on the most import...

In this work, analysis of transient three-dimensional heat transfer in a slab with internal heat generation and heated by a point moving heat source along its axis is carried out using integral transforms methods. The heat input into slab or workpiece by the moving heat source is considered in the model. From the results, it was established that the temperature of the material during the heat t...

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