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Original Article Pages 33-44
Abstract: Limited by the wind tunnel size, a short-length train model is generally adopted during the test to represent the realistic long tandem. Thus, the reasonable arrangement of the trailing vehicle is of significance for experimental accuracy. In this work, the aerodynamic performance of the trains with different downstream vehicle lengths subjected to crosswind is studied using the improved detached eddy simulation (IDDES) method combined with the Shear-Stress-Transport k-ω turbulence model. Wind tunnel models of high-speed train with five different downstream trailing lengths are proposed to represent typical cases in the wind tunnel at the yaw angle ranging from β = 0° to 60°.
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Research Article Pages 26-32
Abstract: A mathematical model for the creeping micropolar flow past a porous oblate spheroidal body is presented. The oblate spheroidal body possesses permeability k and uniform stream velocity is assumed far away from the body and along its axis of symmetry. The flow inside the particle obeys the Darcy- Brinkman laws of porosity and the fluid outside is governed
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Review Article Pages 16-25
Abstract: Numerical and theoretical analysis of the effect of nanoparticles on MHD blood flow in stretching arterial porous vessel with the influence of thermal radiation, chemical reaction and heat generation/absorption has been examined. The governing non-linear partial differential equations of momentum, energy and nanoparticles concentration are converted into ordinary differential equations using similarity transformations which are solved numerically. The dimensionless
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