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A HEAT EXCHANGER FOR INCREASING A FLOW SPEED LAUNCHING A FLUID ELASTIC INSTABILITY AND METHOD THEREOF
A HEAT EXCHANGER FOR INCREASING A FLOW SPEED LAUNCHING A FLUID ELASTIC INSTABILITY AND METHOD THEREOF
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机译:一种增加流体弹塑性不稳定流动速度的换热器及其方法
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摘要
In the arrangement in a heat exchanger in accordance with the invention, the heat exchanger comprises a shell and tubes. The tubes are placed inside the shell. The first medium entering the heat exchanger can be conducted into the tubes and the second medium between the inner shell surface and outer tube surface, and the first medium from the heat exchanger can be conducted out from the tubes and the second medium out from between the inner shell surface and outer tube surface. The heat exchanger comprises at least two tube rows placed in succession in the direction of the second medium's flow. The first tube row comprises at least two tubes, the first distance being between the two parallel tubes, the second distance being between the first parallel tube in the first row and a tube in the second row, and the third distance is between the second parallel tube in the first row and the tube in the second row. The first, second and third distances form a triangle, each angle of which is smaller than 90° and the second distance is a different length from the third distance.
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