By E E Khalil
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The computational fluid dynamics (CFD) model uses approximations in calculating the turbulence quantities, such as isotropic turbulence and the Boussinesq eddy viscosity concept. 4 Numerical Solution Procedure The conservation equations governing the flow field are difficult to solve analytically due to their complexity. With the advent of computers, it has been possible to solve them numerically. 3 of a numerical procedure for solving the governing differential equations are to superimpose a grid distribution on the flow domain to discretize the differential equations on all the grid points of the flow field, and to obtain equivalent algebraic expressions called finite difference equations.
Khalil, E. E. 2002. Energy efficiency in air-conditioned operating theatres. IECEC 2002, paper 20050. ASME. Khalil, E. E. 1978. Numerical procedures as a tool to engineering design. Informatica 78. 7. , and Khalil, E. E. 2002. Predictions of flow, turbulence, heat transfer and humidity patterns in operating theatres. ROOMVENT 2002. Air Distribution Systems 21 8. Sekhar, S. , Wai, T. , and Hien, W. N. 2001. Indoor air quality, ventilation and energy studies in hot and humid climates. Clima 2000, Napoli.
The outer iteration sequence involves the cyclic application Mathematical Modeling Technique 45 of the following steps: First, a field of intermediate velocities, denoted by starred values, is obtained by solving the associated momentum equations using the prevailing pressures p*. Then, continuity is enforced by solving the equations for p’ and thereby determining the required adjustments to the velocities and pressure. 1% for energy. The inner iteration sequence is employed to solve the equation sets for the individual variables.
Air distribution in buildings by E E Khalil