نتایج جستجو برای: radiation heat transfer

تعداد نتایج: 684916  

F. Ashori H. Maddah M. Aghili R. Aghayeri,

In this work, the characteristics of flow and heat transfer of a fluid containing nano particles of aluminum oxide with the water volume fraction (0.1-0.2-0.3)(V/V) percent of the reports. The overall heat transfer coefficient, heat transfer and the average heat transfer fluid containing nano water - aluminum oxide in a horizontal double pipe counter flow heat exchanger under turbulent flow con...

Journal: :تحقیقات موتور 0
آرش محمدی a. mohammadi محمود یعقوبی m. yaghoubi

basic understanding of the process of coolant heat transfer inside an engine is an indispensable prerequisite to devise an infallible cooling strategy. coolant flow and its heat transfer affect the cooling efficiency, thermal load of heated components, and thermal efficiency of a diesel engine. an efficient approach to studying cooling system for diesel engine is a 3d computational fluid dynami...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه یزد 1387

چکیده ندارد.

1984
M. A. BIOT M. A. Biot

XVIII. XIX. Introduction ........................................ Restructured Thermodynamics of Open Systems and the Concept of Thermobaric Transfer. ................................. New Chemical Thermodynamics .......................... Homogeneous Mixtures and Reformulation of the Gibbs-Duhem Theorem .......................................... Nontensorial Virtual Work Approach to Finite Str...

2012
R. A. Mohamed S. Z. Rida A. A. M. Arfa

In this paper, the problem of heat and mass transfer on the flow of non-Newtonian micropolar fluid with uniform suction/blowing, heat generation, radiation, thermophoresis and chemical reaction is presented and discussed. The Homotopy Analysis Method (HAM) is employed to compute an approximation to the solution of the system of nonlinear differential equations governing the problem. The effects...

2009
Jir-Ming Char

Rocket plume temperature distribution plays an important role on the heat transfer analysis of launch carriers. Thus, a non-intrusive IR scanner is used in this paper to analyze the influence of spin motion on plume centerline temperature measurements of spinning solid-propellant rockets. Results show that the average error of temperature measurement is below 3.5% even with a 10% error of estim...

2014
Stanford Shateyi

This paper employs the computational iterative approach known as Spectral Local Linearization Method (SLLM) to analyze Hall effect on MHD flow and heat transfer over an unsteady stretching permeable surface in the presence of thermal radiation and heat source/sink. To demonstrate the reliability of our proposed method, we made comparison with Matlab bvp4c routine technique and excellent agreeme...

2015
Svetlana V. Boriskina Jonathan K. Tong Yi Huang Jiawei Zhou Vazrik Chiloyan Gang Chen

The properties of thermal radiation exchange between hot and cold objects can be strongly modified if they interact in the near field where electromagnetic coupling occurs across gaps narrower than the dominant wavelength of thermal radiation. Using a rigorous fluctuational electrodynamics approach, we predict that ultra-thin films of plasmonic materials can be used to dramatically enhance near...

Journal: :journal of chemical and petroleum engineering 2015
somayeh hajghani rahbar rahimi

bubble columns are gas- liquid contactors that are widely used in chemical and bio- chemical industries. high mixing that result in high heat and mass transfer rates are amongst their advantages. heat transfer in a bubble column having a bundle of heaters investigated and the variation of heat transfer coefficient with variation in heaters pitch to diameter ratios in a bundle of heaters reporte...

2017
Mohammad Taghi Hajibeigy Mushtak Al-Atabi

The electrical and thermal energy generated by a Photo-voltaic (PV) module is based on the amount of the solar radiation directed on the PV module. In this study, a Photo-voltaic Thermal (PVT) system is constructed to maximize the electrical energy generation through the fast removal of heat through a new phase layered topology. The combinations of aluminum plate and heatsinks are used to trans...

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