A Duct Systems library has been add to theComponent libraryin the Professional EES license to provide the pressure loss for flow through ducts, bends, expansions, contractions, branches, and dampers. Dimensionless resistance coefficients for these components have also been added to theMinor Losseslibra...
The latter method is used to determine the time dependence of the mean momentum of a two-level atom subjected to monochromatic coherent light for general values of various broadening parameters and detuning. The expression for the corresponding radiation pressure force in the limit of steady-state ...
A new numerical method, the boundary point method, used for calculating the acoustic radiation problem caused by a vibrating body is presented. The gist of... SY Zhang,XZ Chen - 《Journal of Sound & Vibration》 被引量: 131发表: 1999年 On reconstruction of acoustic pressure fields using the...
we getNow, we need to use the following two identities for the gradient and divergence operators:Going back to Helmholtz equation, we get that:becomeswhich shows that the equation is indeed satisfied by the plane wave solution.Radiation Boundary Conditions...
receiver (DI). Directivity is the ratio of the total noise power at the array to the noise received by the array along its main response axis. Directivity improves the signal-to-noise ratio by reducing the total noise. SeeElement and Array Radiation and Response Patternsfor discussions of ...
RIS (for EndNote, Reference Manager, ProCite) BibTeX Text RefWorks Direct Export Content Citation Only Citation and Abstract Advanced search Article outline is loading... Annals of Physics Volume 166, Issue 1, January 1986, Pages 255 About ScienceDirect Contact and support Information...
The Venturi effect equation is {eq}p1-p2 = d/2(v2^2 -v1^2) {/eq} where p is pressure, d is the density of the fluid, and v is velocity. The two terms for pressure and velocity are divided into those present in a larger container (v1 and p1) and those in the constrained op...
The objective of this study was to develop and present a correlation equation for the representative or 'average' heat transfer coefficient associated with horizontally oriented circular pin fins that accounts for the effect of both modes of heat transfer, convection and radiation. Four aluminum test...
For boiling or condensation, Tbis the saturation temperature of the fluid. For flow in a pipe, Tb is the average temperature measured at a particular crosssection of the pipe.The basic relationship for heat transfer by convection has the same form as that for heat transfer by conduction:...
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