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- Results show that pintle could change the nozzle throat area and thus the motor pressure and thrust,which provided the capability for thrust control. 结果显示喉栓能够有效改变发动机燃烧室压力和推力,满足发动机推力控制要求。
- Influence of Gas Generator Nozzle Throat Area on Missile Launch Power 燃气发生器喷喉面积对导弹发射动力的影响
- nozzle throat area 喷嘴横截面
- nozzle throat area control 可调喷管
- The conveying parameters were relatively optimized by adjusting the throat area of adjustable Laval nozzle and pressure parameters, so that the foodstuff particle breaking rate during pneumatic conveying was decreased at certain extent. 通过调节可调式拉法管的喉径以及各压力参数实现了输送参数的相对最优,在一定程度上减轻了粮食颗粒在输送过程中的破碎率。
- The calculation model of such adjustable ejector is established to analyse the influence on the entrainment ratio, vapor pressure and vapor flux under various area of the motive nozzle throat. 在此基础上,提出了在喷射器喷嘴内插入喷针来调节喷射器工作参数的方案,建立了可调式喷射器性能计算模型,分析了喷嘴截面积变化对喷射系数、气体压力、气体流量等参数的影响。
- As the velocity in the nozzle throat is sonic, the effect must be transmitted upstream through the boundary layer. 当喷管喉部达到音速时,这种影响一定是通过附面层向上传播而引起的。
- The new evolve of C/C composites used for nozzle throat of SRM in a research is introduced. 介绍了固体火箭发动机(SRM)喉衬用炭/炭复合材料研究的最新进展。
- The development and disappearance of the acoustic oscillations are influenced by the nozzle throat size and open-time of the plug. 计算结果表明,这些影响包括了声振的强度、阻尼和频率,发动机点火后喷管喉部尺寸和堵盖打开的时间影响到振荡波的发展和消失。
- nozzle with variable throat area 可变喉面喷管
- Adjustable Throat Area Laval Nozzle 可调式拉法管
- Based on material property, macro and micro factors affecting ablative performance of C/C composites for SRM nozzle throat are discussed. Their inter-influences are also analyzed. 从材料特性出发,讨论了与固体火箭发动机喷管喉衬用炭/炭复合材料烧蚀性能有关的一些宏观和微观因素,分析了这些因素对材料烧蚀性能的影响及交互作用。
- Physical manifestations may occur in the throat area such as a sore throat, laryngitis, sinus problems, thyroid problems, stiff neck muscles and difficulty in swallowing. 生理反应可能出现在喉部如喉咙痛,喉炎,窦问题,甲状腺问题,颈部肌肉僵硬和难以吞咽。
- He steered into the parking area. 他把车开进了停车区。
- I think this gargle will relieve your sore throat. 我看这含漱剂可以治你的喉痛。
- An Analysis on Faults in the Nozzle Throat Insert of a Pulse Motor 脉冲发动机喷管喉衬故障的计算与分析
- THE FRACTURE TOUGHNESS OF SEVERAL ROCKET NOZZLE THROAT MATERIALS 几种喉衬材料断裂韧性的比较
- The slum area was sordid and filthy beyond belief. 该贫民区之污秽肮脏简直令人难以置信。
- I feel shivery and I have gotten a sore throat. 我觉得怕冷发抖,而且喉咙疼痛。
- I want something to soothe sore throat. 我要可以治喉痛的药。