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Entropy optimization and quartic autocatalysis in MHD chemically reactive stagnation point flow of Sisko nanomaterial
Khan, M. Ijaz1; Hayat, T.1,2; Alsaedi, A.2; Qayyum, Sumaira1; Tamoor, M.3
2018-12-01
Source PublicationINTERNATIONAL JOURNAL OF HEAT AND MASS TRANSFER
ISSN0017-9310
Volume127Pages:829-837
Abstract

This research article deals with entropy generation and heat generation/absorption analysis for MHD stagnation point flow of Sisko-nanomaterial towards stretchable sheet. Homogeneous-heterogeneous reactions are considered. Nanomaterial comprises thermophoresis and Brownian diffusion effect. Through implementation of second law of thermodynamics the total entropy generation is calculated. In addition, entropy generation for fluid friction, mass transfer and heat transfer is discussed. This study is specially investigated for the impact of homogeneous-heterogeneous reactions with entropy generation subject to distinct flow parameters. The nonlinear systems are computed. Influence of pertinent flow variables on the velocity, entropy, concentration and temperature are discussed. Coefficient of skin friction (velocity gradient) and Nusselt number (temperature gradient) are calculated and examined graphically. The obtained results indicate that entropy rate directly depends upon Brinkman number, diffusion parameter, temperature and concentration difference parameters, magnetic parameter and volumetric entropy number. (C) 2018 Elsevier Ltd. All rights reserved.

KeywordSisko Nanomaterial Entropy Generation Homogeneous-heterogeneous Reactions Heat Generation/absorption Magnetohydrodynamics (Mhd)
DOI10.1016/j.ijheatmasstransfer.2018.08.037
Language英语
WOS KeywordNonlinear Thermal-radiation ; Homogeneous-heterogeneous Reactions ; Generation Minimization Egm ; Variable Thicked Surface ; Casson Nanofluid Flow ; Christov Heat-flux ; Stretching Sheet ; Double Stratification ; Viscous Dissipation ; Mixed Convection
WOS Research AreaThermodynamics ; Engineering ; Mechanics
WOS SubjectThermodynamics ; Engineering, Mechanical ; Mechanics
WOS IDWOS:000445984500073
PublisherPERGAMON-ELSEVIER SCIENCE LTD
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Document Type期刊论文
Identifierhttp://ir.ipe.ac.cn/handle/122111/26329
Collection中国科学院过程工程研究所
Corresponding AuthorKhan, M. Ijaz
Affiliation1.Quaid I Azam Univ 45320, Dept Math, Islamabad 44000, Pakistan
2.King Abdulaziz Univ, Fac Sci, Dept Math, Nonlinear Anal & Appl Math NAAM Res Grp, Jeddah 21589, Saudi Arabia
3.Univ Chinese Acad Sci, Inst Proc Engn, Beijing 100190, Peoples R China
Recommended Citation
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Khan, M. Ijaz,Hayat, T.,Alsaedi, A.,et al. Entropy optimization and quartic autocatalysis in MHD chemically reactive stagnation point flow of Sisko nanomaterial[J]. INTERNATIONAL JOURNAL OF HEAT AND MASS TRANSFER,2018,127:829-837.
APA Khan, M. Ijaz,Hayat, T.,Alsaedi, A.,Qayyum, Sumaira,&Tamoor, M..(2018).Entropy optimization and quartic autocatalysis in MHD chemically reactive stagnation point flow of Sisko nanomaterial.INTERNATIONAL JOURNAL OF HEAT AND MASS TRANSFER,127,829-837.
MLA Khan, M. Ijaz,et al."Entropy optimization and quartic autocatalysis in MHD chemically reactive stagnation point flow of Sisko nanomaterial".INTERNATIONAL JOURNAL OF HEAT AND MASS TRANSFER 127(2018):829-837.
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