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Galvanized steel pipes with screw thread connections are widely used in the household part of urban gas distribution system. For such pipes, leakages usually occur at the connections as opposed to the pipe bodies. A leak detection method has been proposed for galvanized steel pipes on the basis of acoustic emission (AE) and neural network. From the viewpoint of engineering application, this work conducts...
The uniformity of the receiver surface energy flux density in the reflective high-power concentration photovoltaic system can affect the photoelectric conversion efficiency of the photovoltaic cell, and even cause the “hot spot” to damage it. In this paper, the plane mirror array algorithm is used to design a reflective high-power condenser, and TRACEPRO is used to numerical simulation study the uniformity...
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