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《Journal of Propulsion Technology》 2002-04
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Experiment study for platelet slab flow channel control performance of platelet transpiration cooled thrust chamber

YANG Wei hua, CHENG Hui er(School of Power and Energy Engineering , Shanghai Jiaotong Univ , Shanghai 200030, China)  
Some primary metering grooves with different curvature radiuses and geometrical dimensions were designed,and the hydraulic characteristics of them were all tested Based on the experiment results, different flow characteristics of them were obtained The great differences between the experimental results and the conventional theoretical predictions were found by the comparison between them Under the condition of this experiment, the critical Reynolds is 1000~1200, and is diminished as the decrease of the curvature radius of the primary metering groove The influence of the curvature radius on the friction factor is remarkable, and the value of friction factor is increased with the decrease of the curvature radiuses The experimental correlative to calculate the friction factors of the primary metering grooves was obtained The optimal primary metering groove choise was analyzed when designing the platelet transpiration cooling thrust chamber
【CateGory Index】: V433.1
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