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- The investigation shows that plenum chamber total pressure has multifarious effects on arcjet thruster operation, and both specific impulse and thrust efficiency can be improved by increasing it befittingly under steady arc. 研究表明,集气腔总压对推力器工作过程具有多方面的影响,在保证电弧稳定的情况下,适当提高集气腔总压可同时提高比冲和推进效率。
- Effect of plenum chamber total pressure on arcjet thruster operation 集气腔总压对电弧喷射推力器工作过程的影响
- plenum chamber total pressure 集气腔总压
- Ultimate pressure is measured as total pressure. 最后压力是全程压力测量值。
- The upper supply and bottom exhaust air distribution is formed in painting polluting area with local plenum chamber and slot outlets. 摘要利用局部静压箱和条缝型百叶排风口在污染控制区形成上送风下排风的气流组织形式。
- The influence of plenum chamber casing treatment on the performance of high loaded and high-speed fan rotor was analyzed through steady simulation. 摘要通过定常模拟的方法,研究了驻室式处理机匣对高负荷、高马赫数孤立转子性能的影响。
- When Ma(subscript e)=0.45 the relative suction flow rate equals 0.043, the total pressure recovery increases by 2.6%. 在出口马赫数为0.;45,相对抽吸量为0
- Cavity length depth ratio strongly influences flow field、total pressure recovery、drag coefficient. 凹腔长深比对流场特性、总压恢复、燃烧室阻力影响显著。
- Effects of blade negative bowing on secondary flow, total pressure loss and outlet flow angle were analyzed quantitatively, mechanism of the effects was discussed as well. 定量地分析了叶片反弯曲对叶栅出口二次流、总压损失和气流角的影响,并探讨了叶片反弯曲作用的机理。
- The experimental data showed that the total pressure drop of the cross-flow RPB was influenced by rotating speed, gas flow rate and liquid flow rate. 实验表明错流旋转填料床的气相总压降与气体流量、旋转床转速、液体流量有关。
- The results show that total pressure recovery coefficient of this type inlet is increased in every yawed flight,and are less related to the yaw angle. 研究结果表明,这类进气道在各种侧滑状态下总压恢复系数较高,且与侧滑角的关系不大。
- The flow field characteristics and the total pressure recovery performance for different diffuser configurations were analyzed. 对不同构型扩压器的流场特点、总压恢复性能进行了分析;
- Velocity circulations at the trailing edges of each blade-row are optimized for overall maximization of total pressure ratio and isentropic efficiency. 优化目标为总压比和绝热效率最大,决策变量为转子和静子叶排尾缘速度环量。
- The experiments result shows: the model Z decreases the mean value and peak value of PRMS while upsream total pressure varies from 0.3 atm to 0.7 atm. 实验结果表明:开孔与中绊线组合方案对进口压力从0.;3到0
- The influences of the inlet angle and inlet total pressure of fluid on the temperature of electrode surface and nozzle exit fluid was analyzed. 分析了空气进口气流角、进口总压和等离子化学反应对电极壁面温度及喷嘴出口气流温度的影响。
- Evaluation of air supply plenum chamber and its air distribution performance of task air conditioning 工位空调送风静压箱及其送风气流性能评价
- A multiobjective optimization for a two-stage axial-flow compressor design was performed for maximization of the overall adiabatic efficiency and the total pressure ratio. 针对一台两级轴流压气机,选定优化设计的目标是最大的总压比和最高的总绝热效率。
- Standard Specification for Air Performance Measurement Plenum Chamber for Vacuum Cleaners 真空吸尘器空气性能测定用强制通风室
- Reynolds averaged Navier Stokes equation solution techniques were used to calculate the total pressure loss. Baldwin Lomax algebraic turbulent model is used as a turbulent model. 总压损失的计算采用Reynolds平均Navier-Stokes方程求解技术,紊流模型采用Baldwin-Lomax代数紊流模型。
- The members left the council chamber. 议员们离开了会议厅。