Analysis on mathematical model of convection system of micropolar fluid as darcy forchheimer flow undergoes heterogeneous and homogeneous chemical reaction

IF 3.2 Q2 MATERIALS SCIENCE, MULTIDISCIPLINARY
D. Thenmozhi , M. Eswara Rao , R. Punithavalli , P.D. Selvi
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Abstract

In this article, to study the fluid behavior on various specific conditions to improve the heat transfer system and here, analysis on mathematical model of dynamic fluid consist of micropolar fluid has allowed micro rotational effect with laminar flow of Darcy forchheimer model which allow inertia effect has incorporated with heterogeneous and homogenous chemical reaction undergoes heat exchanger system with boundary layer problem has modeled. The mathematical model of fluid mechanic governing equations are in the form of partial differential equation (PDE) and similarity transformation into numerical methods (PC4-FDM) of predictor and corrector technique undergoes discretized mesh point and convergence with fourth order finite difference method and shooting method is also equipped to get better solution. The additions of significant heterogeneous parameter depicts that increasing behavior in fluid concentration and homogeneous parameter depicts that decreasing in fluid concentration by allowed micro rotations leads to collision and on increasing the Eckert number related to viscous dissipation has exhibited that increased fluid velocity and decreased fluid temperature. Micro rotation parameter exhibits that similar increased fluid velocity and slight decreased in temperature of the fluid. Darcy forchheimer parameter which related to inertial effect has depicts that decreased in velocity with increased temperature of the fluid in convection system. Due to Industrialization, the study of convection heat transfer system has enormous scope which has necessity to improving the heating and cooling system of industrial mass machineries like powerplant, waste heat recovery unit, pharmaceutical industries etc.

darcy forchheimer流发生非均相和均相化学反应时微极流体对流系统的数学模型分析
本文为了研究流体在各种特定条件下的行为以改进换热系统,分析了由微极流体组成的动力流体的数学模型,允许微旋转效应与层流的Darcy forchheimer模型相结合,允许惯性效应与非均相化学反应相结合,进行了边界层问题换热器系统的模拟。流体力学控制方程的数学模型采用偏微分方程(PDE)形式,预测校正技术的相似变换为数值方法(PC4-FDM),采用四阶有限差分法和射击法进行离散网格点和收敛,得到较好的解。显著的非均质参数的加入说明了流体浓度的增加行为,均匀参数的加入说明了允许微旋转导致流体浓度的降低导致碰撞,增加与粘性耗散相关的Eckert数表明流体速度增加,流体温度降低。微旋转参数显示出相似的流体速度增加和流体温度略有下降。与惯性效应有关的Darcy forchheimer参数描述了对流系统中流体的速度随温度的升高而降低。随着工业化的发展,对流换热系统的研究有着广阔的发展空间,对于电厂、余热回收装置、制药工业等大型工业机械的冷热系统的改进是必要的。
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来源期刊
Forces in mechanics
Forces in mechanics Mechanics of Materials
CiteScore
3.50
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0.00%
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0
审稿时长
52 days
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