查询词典 cooling duct

Thermal cracking of China No.3 aviation kerosene was studied experimentally under supercritical conditions relevant to regenerative cooling system for Mach-6 scramjet applications.

本文介绍了大庆3号煤油在超临界条件下热裂解特性的实验研究。

To understand the different heat transfer characteristics of regenerative cooling in plug nozzle at different operating conditions, computational model of two dimensional plug nozzle and internal nozzle were established and numerical simulation was employed. Heat transfer results of the internal nozzle and the parameter distribution at the outlet were obtained. Flowfield and heat transfer characteristics of the plug at different operating conditions with different coolant flow rates were investigated.

为了解塞式喷管发动机高低空不同的再生冷却换热特性，分别对二维型面内喷管和塞锥建立计算模型，采用数值模拟的方法，得出内喷管的冷却换热结果和出口参数，重点研究了塞锥在地面和设计点工作时的不同换热特性及其冷却剂流量的影响。

The regenerative indirect evaporative cooling with the positive feedback principle, can further decrease the temperature of the prime air stream and expand the useful range of available energy.

回热式间接蒸发冷却具有正反馈式工作原理，能进一步降低一次空气温度，扩大有用能的利用范围。

It was the first time that experimental studies of the flow characteristics and convective heat transfer in platelet regenerative cooling channels with high aspect ratio were conducted in China.

大高宽比再生冷却套在宽度上已属于微小通道，为考察其流动传热是否与常规尺度管道不同，本文理论分析采用经典N-S方程而未考虑微小尺度效应是否合理，研究流道高宽比等几何参数对其水力和对流换热特性的影响，分别搭建了挤压式水力实验台和泵压式对流换热实验台，设计了d〓=1.0~1.2mm，宽度为0.6~0.8mm，AR=3~15的5个不同高宽比矩形通道层板试验件，采用线切割加工槽道和扩散焊接盖板的制造工艺，得到了质量可靠的试验件，以水为工质，在国内首次对大高宽比层板再生冷却通道的流动和对流换热特性进行了实验研究。

Thermal cracking of China No.3 aviation kerosene was studied experimentally under supercritical conditions relevant to regenerative cooling system for Mach-6 scramjet applications.

中文标题：本文介绍了大庆3号煤油在超临界条件下热裂解特性的实验研究。

Concerning the physical process of the combustion and the heat transfer in the thrust chamber of the tripropellant liquid rocket engine, a numerical simulation method is developed about the interior combustion and the exterior regenerative cooling.

本文针对三组元液体火箭发动机推力室燃烧与传热的物理过程，对推力室内燃烧及外部再生冷却进行了仿真研究。

The physical character of the super-critical hydrogen in the regenerative cooling channel is studied : started with the physical character of the super-critical hydrogen , using the method of least square , figuring out the state equation which is applicable to the state from liquid to the super-critical in the super-critical pressure , the constrained convection and the heat transfer in the super-critical channel are simulated using the equation , the results of the simulation are identical with the experiment in the same condition .

对再生冷却通道内的超临界氢的物性进行了研究：从超临界氢物性的实验结果入手，用最小二乘法拟合出适用于超临界压力下氢由液态过渡到超临界态的状态方程，并利用该方程对超临界氢管内强迫对流换热进行了数值仿真，仿真结果与相同条件下实验结果相一致。

With the rapid popularization of floor radiant heating, the application of floor radiant cooling is strongly interested.

摘要随着地板辐射供暖的迅速推广，地板辐射供冷的应用也得到了极大程度的关注。

Radiant heating and cooling systems are embedded in the floor and ceiling, and rainwater is collected and used for irrigation.

辐射加热和冷却系统是嵌入在下限和上限，和雨水收集和用于灌溉。

The research shows that ceiling radiant heating and cooling can cool in summer and heat in winter through a set of system.

通过前面的模拟发现，顶板辐射采暖和供冷共用一套系统可以实现夏季供冷、冬季供暖的要求。

Listen,point and check your answers.

听，指出并且检查你的答案。

Warming needle is one of effective treatment methods for knee arthralgia aggravated by cold,and it is simple,safety,so it should be developed in clinical acupuncture and moxibustion extensively.

但以本院科针灸门诊在2005年1月—2006年6月期间共收治膝痛患者100余例，经过临床的诊断后，其中施以温针治疗的48例，疗效显著，报道如下。1临床资料本组病例48