Seyed Hossein Mansouri
Department of Mechanical Engineering, Shahid Bahonar University of Kerman, Kerman, Iran
[ 1 ] - The Impact of Wettability on Effective Properties of Cathode Catalyst Layer in a Proton Exchange Membrane Fuel Cell
The produced liquid water in cathode catalyst layer (CCL) has significant effect on the operation of proton exchange membrane fuel cell (PEMFC). To investigate this effect, the transport of oxygen in CCL in the presence of immiscible liquid water is studied applying a two-dimensional pore scale model. The CCL was reconstructed as an agglomerated system. To explore the wettability effects, diffe...
[ 2 ] - مدلسازی سینیتیکی فرایند احیای اکسیدهای نیتروژن بدون کاتالیست به روش مکانیزم کاهش یافته با استفاده از عامل های احیای آمونیاک و اوره
از یک مدل کاملاً سینیتیکی با استفاده از روش احیای اکسیدهای نیتروژن بدون کاتالیست به منظور احیای NO خروجی از کوره ها و زباله سوزها استفاده شده است. از دو ماده آمونیاک و اوره به عنوان عوامل احیا برای روش احیای بدون کاتالیست بهره گرفته شده است. در روش مورد نظر از یک مکانیزم کاهش یافته استفاده شده و نتایج آن با نتایج ارائه شده در مطالعات تجربی و مدلسازی ها مقایسه شده است که تطابق قابل قبولی ب...
[ 3 ] - A New Procedure of Impact Wearevaluation of Mill Liner (RESEARCH NOTE)
The significant costs insert on mineral processes due to mill liner wear including the labor costs, price of material and shut down periods. Therefore, the study of this phenomenon is economically important to optimize the mill operating conditions and liner profile design to decrease the wear rate. There is no appropriate and applicable research on impact wear evaluation of mill liners. In the...
[ 4 ] - Simulation of Ideal External and Internal Flows with Arbitrary Boundaries Using Schwarz Christoffel Transformation
The flow field, velocity and pressure coefficient distribution of some 2-D ideal flows are presented. Conformal mapping is used to simulate two-dimensional ideal flow for a variety of complex internal and external configurations, based on the numerical integration of Schwarz-Christoffel transformation. The advantages of this method are simplicity and high accuracy. The method presented in this ...
[ 5 ] - Computational Study of Radiative and Convective Heat Transfer in a Cylindrical Combustion Chamber
In this paper, the effect of cold air on the fluid flow inside the cylindrical combustion chamber and its wall temperature distribution have been studied computationally, taking into account the effect of radiative heat transfer from hot gases. The results have been compared with the case that radiative heat transfer was neglected. It is observed that the reattachment length increases when incr...
[ 6 ] - The Overall Heat Transfer Characteristics of a Double Pipe Heat Exchanger: Comparison of Experimental Data with Predictions of Standard Correlations
The single-phase flow and thermal performance of a double pipe heat exchanger are examined by experimental methods. The working fluid is water at atmospheric pressure. Temperature measurements at the inlet and outlet of the two streams and also at an intermediate point half way between the inlet and outlet is made, using copper-constantan thermocouple wires. Mass flow rates for each stream are ...
[ 7 ] - Numerical Investigation of Combined Radiation and Nutral Convention Heat Transfer in a Horizonal Annulus
Combined radiation and natural convection within the annular region of two infinitely long horizontal concentric cylinders are investigated numerically in this research. Radial and tangential radiation effects ate considered using Milne-Eddington approximation for a two-dimensional radiative transfer. The basic conservation equations are discretized with the finite volume method and SIMPLER alg...
[ 8 ] - Radiation modeling of a turbulent diffusion flame in diesel engine
The purpose of this study is to investigate the effect of radiation heat transfer on temperature distribution and heat flux to the walls of a diesel engine. A diffusion flame is modeled in a simple cylindrical geometry and boundary conditions are defined. A specific solver which can model the turbulent diffusion flame by considering radiation in participating media is used to solve the problem....
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