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- Osamah Haddad, Mohamad Abuzaid, Mohammad Al-Nimr
- Entropy
- 2004

The entropy generation due to steady laminar forced convection fluid flow through parallel plates microchannel is investigated numerically. The effect of Knudsen, Reynolds, Prandtl, Eckert numbers and the nondimensional temperature difference on entropy generation within the microchannel is discussed. The fraction of the entropy generation due to heat… (More)

This study is focused on the entropy production due to laminar forced convection in the entrance region of a concentric cylindrical annulus. The present hydrodynamic and temperature fields are obtained numerically. Local entropy generation distributions are obtained based on the resulting velocity and temperature fields by solving the entropy generation… (More)

A perturbation technique is proposed for solution of the generalized equations governing the thermal behaviour of thin metal ®lms described by a hyperbolic two-step model. The generalized equations of this model contains diffusion terms in both the electron and lattice energy equations and assumes that incident laser radiation is absorbed by both the… (More)

- M. Abu-Qudais, O. Haddad, M. Qudaisat
- 1999

The eects of ethanol fumigation (i.e. the addition of ethanol to the intake air manifold) and ethanol± diesel fuel blends on the performance and emissions of a single cylinder diesel engine have been investigated experimentally and compared. An attempt was made to determine the optimum percentage of ethanol that gives lower emissions and better performance… (More)

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