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October, 2006
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Electromagnetic Fields: Fields representing the joint interplay of electric and magnetic forces.

Determination of Impingement Forces on a Flat Plate with the Control Volume Method

JoVE 10444

Source: Ricardo Mejia-Alvarez and Hussam Hikmat Jabbar, Department of Mechanical Engineering, Michigan State University, East Lansing, MI

The purpose of this experiment is to demonstrate forces on bodies as the result of changes in the linear momentum of the flow around them using a control volume formulation [1, 2]. The control volume analysis focuses on the macroscopic effect of flow on engineering systems, rather than the detailed description that could be achieved with a differential analysis. Each one of these two techniques have a place in the toolbox of an engineering analyst, and they should be considered complementary rather than competing approaches. Broadly speaking, control volume analysis will give the engineer an idea of the dominant loads in a system. This will give her/him an initial feeling about what route to pursue when designing devices or structures, and should ideally be the initial step to take before pursuing any detailed design or analysis via differential formulation. The main principle behind the control volume formulation is to replace the details of a system exposed to a fluid flow by a simplified free body diagram defined by an imaginary closed surface dubbed the control volume. This diagram should contain all surface and body forces, the net flux of linear momentum t

 Mechanical Engineering

Using Extraordinary Optical Transmission to Quantify Cardiac Biomarkers in Human Serum

1NUS Nanoscience and Nanotechnology Initiative, National University of Singapore, 2Cardiovascular Research Institute, Yong Loo Lin School of Medicine, National University of Singapore, 3Department of Electrical and Computer Engineering, National University of Singapore, 4Institute of Materials Research Engineering, A*STAR (Agency for Science, Technology and Research)

JoVE 55597


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