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Entropy generation in a mixed convection Poiseulle flow of molybdenum disulphide Jeffrey nanofluid

Aaiza GulSchool of Information, Computer, and Communication Technology, Sirindhorn International Institute of Technology, Thammasat University, Rangsit Center, Pathum Thani 12121, ThailandIlyas KhanFaculty of Mathematics and Statistics, Ton Duc Thang University, Ho Chi Minh City, VietnamStanislav S. MakhanovSchool of Information, Computer, and Communication Technology, Sirindhorn International Institute of Technology, Thammasat University, Rangsit Center, Pathum Thani 12121, Thailand

2018en

ABI

Annotatsiya

Entropy analysis in a mixed convection Poiseulle flow of a Molybdenum Disulphide Jeffrey Nanofluid (MDJN) is presented. Mixed convection is caused due to buoyancy force and external pressure gradient. The problem is formulated in terms of a boundary value problem for a system of partial differential equations. An analytical solution for the velocity and the temperature is obtained using the perturbation technique. Entropy generation has been derived as a function of the velocity and temperature gradients. The solutions are displayed graphically and the relevant importance of the input parameters is discussed. A Jeffrey nanofluid (JN) has been compared with a second grade nanofluid (SGN) and Newtonian nanofluid (NN). It is found that the entropy generation decreases when the temperature increases whereas increasing the Brickman number increases entropy generation.

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Identifikatorlar

DOI: 10.1016/j.rinp.2018.03.012

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