孔板送风

在线等请英语高手帮忙翻译个小短文有道翻译的总觉得有语法错误。
更新时间:2019-12-27 17:54 浏览:59 关闭窗口 打印此页

  首先,对不同送风孔板进行模拟计算,改变孔板开孔率、孔径、面流速、厚度、排列方式等,得出各种因素对送风孔板阻力的影响,然后在局部阻力实验台上,对不同送风孔板的阻力系数进行测试,与模拟计算结果进行对比分析,总结出孔板局部阻力计算方法。

  以CRH6型城际动车组头车为研究对象,建立孔板送风整车模型,模拟车内气流组织,研究不同送风孔板对车内气流组织的影响。最后用实验验证模拟结果,对CRH6型模型车孔板送风进行气流组织实验测试,将模拟与实验结果进行对比分析,总结出孔板送风的影响规律。

  本文得出孔板局部阻力系数计算方法,可以为列车送风孔板的设计和风机的选型提供参考依据,在充分考虑了车内舒适性要求的前提下,总结分析了不同开孔率的孔板对车内气流组织的影响规律,为以后列车空调系统的设计提供理论依据。展开我来答

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  First of all, the different air supply orifice plate to simulate and calculate the change in this hole, hole rate, pore size, surface velocity, thickness, arrangements, come in a variety of factors on the blast hole plate resistance effects, and then the local resistance experiment, the different air supply orifice coefficient of resistance were tested, and simulation the calculation results are compared and analyzed, summed up the hole plate local resistance calculation method.Taking CRH6 intercity EMUs head vehicle as the research object, establishing of perforated ceiling air supply vehicle model, simulation of airflow inside, study of different air supply aperture plate on the car flow organization effect. Finally, experimental verification of the simulation results, the CRH6 model car of perforated ceiling air supply airflow organization test, the simulation and experimental results are compared and analyzed, summarized the influence of perforated ceiling air supply.This paper concludes the orifice coefficient of local resistance calculation method, can train the blast hole board design and selection of the fan to provide referenced basis, taking full account of the vehicle comf

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