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In the study of fluid dynamics, experimental study, theoretical analysis and mathematical numeric calculation are the three basic means to solve the problem. Due to the complexity of fluid motion mechanism, the theoretical exact solution is limited to only a few simple situations. This paper is based on the review of the previous studies, focused on the phase distribution parameter and through mathematical...
To deal with the problem of tracking a maneuvering target in range-based sensor networks, we firstly derive the expression that describes the relation of the PCRLB and the distance from the sensor to the target, and on the basis of this expression, choose the sensor subset that may attend the incoming tracking event. Secondly, we design the cluster head selection strategy under communication constraint,...
Laminar natural convection coupled with radiation arising from horizontal rectangle cylinder to its concentric cylindrical enclosure has widely applications over the electronic equipment and aviation industry. In this paper, this model is numerically studied with the Rayleigh number varied in the range of 103≤Ra≤107. According to the local and average Nusselt numbers along the outer and inner walls,...
Laminar natural convection arising from horizontal rectangle cylinder to its concentric cylindrical enclosure is numerically studied. The Rayleigh number is varied in the range of 103≤Ra≤106. According to the form of isotherms and the streamline patterns, the basic features of flow and heat transfer for four rectangle cylinders with different aspect ratios are reported. And the local and average Nusselt...
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