1) cooling efficiency
冷却效率
1.
Influence of aerodynamic parameter on the temperature gradient and cooling efficiency for effusion wall cooling method;
多斜孔冷却方式气动参数对壁温梯度和冷却效率的影响
2.
Experimental study of cooling efficiency of film cooling with tab;
突片作用下气膜冷却效率的试验研究
3.
Investigation of the wall temperature distribution and cooling efficiency for impingement/effusion cooling scheme;
冲击/发散冷却壁温分布和冷却效率研究
2) Cooling effectiveness
冷却效率
1.
Study of overall cooling effectiveness of discrete holes with different angles to concave wall;
弯曲多孔壁不同倾斜角气膜孔整体气膜冷却效率研究
2.
Detailed heat transfer and full coverage film cooling measurements were conducted on the turbine blade surface,primarily research the effect of different reynolds number and mass flow ratio on local heat transfer and film cooling effectiveness.
对全气膜覆盖的涡轮导向叶片的表面进行了详细的传热实验研究,重点研究了不同质流比和不同雷诺数对当地气膜冷却效率和换热系数的影响。
3.
To investigate the influence of the hole shape on the film cooling effectiveness of the maze composition structure of a combustor,a numerical study on the distribution of its wall temperature and cooling effectiveness was performed when the outside wall holes were dust-pan shaped holes,cone shaped holes and round holes.
为了获得开孔形状对燃烧室新型迷宫复合冷却结构冷却效率的影响规律,采用数值模拟方法研究迷宫冷却结构的外侧壁冷却孔分别为簸箕形孔、圆锥形孔和圆柱形孔时内外壁温的分布情况,获得其壁温及冷却效率的分布规律,并在迷宫冷却结构三层壁的热侧面对它们的冷却效率进行对比。
3) adiabatic effectiveness
冷却效率
1.
Adiabatic effectiveness measurements on rotating curvature models
旋转状态下曲率模型上的气膜冷却效率
2.
The results show that the effect of the rotation number is obvious:deflection angles are improved with the increasing rotation numbers;the augmentation of Rt results in decreased adiabatic effectiveness for convex surfaces,while for concave surfaces,increasing Rt leads to improved adiabatic effectiveness.
通过对旋转状态下曲率通道的气膜冷却现象的流动和换热进行数值模拟,得到了不同旋转数下凸表面和凹表面的冷却效率分布。
3.
Computations were performed to investigate the adiabatic effectiveness η distributions on the curvature turbine blade models under rotating conditions.
通过对旋转状态下曲率叶片模型上气膜冷却现象的流动和换热进行数值模拟,得到了不同主流雷诺数、吹风比和旋转数情况下吸力面和压力面上的冷却效率分布。
4) overall cooling effectiveness
综合冷却效率
1.
In order to learn how the internal flow patterns affect the overall cooling effectiveness of Lamilloy,conjugate numerical simulation were carried out for a double wall without pin fin and five Lamilloy cooling configurations with the same hol.
为了研究层板强化换热机理,提高其内部换热效率ηi以优化层板传热设计,本文在相同的两侧换热条件和冷气密流下,对5种相同孔径、通道高度和开孔率,不同内部绕流形式的层板结构和1种双层壁结构进行了流固耦合传热计算,得到了其综合冷却效率。
5) evaporative cooling efficiency
蒸发冷却效率
1.
Establishes an experimental system and studies the influence of recirculating air ratio on evaporative cooling efficiency in summer conditions.
搭建了相应的实验台,针对夏季实际工况条件,实验研究了再循环风量比例对蒸发冷却效率的影响,给出了合适的再循环风量范围。
6) film cooling effectiveness
气膜冷却效率
1.
Experimental investigation on film cooling effectiveness of multi-hole at longitudinal wavy surface
多孔纵向波纹表面气膜冷却效率实验研究
2.
Calculation results show that rotation causes film cooling effectiveness on the pressure surface to drop—the quicker the rotation the low.
采用数值模拟的方法对旋转涡轮叶片表面的气膜冷却效率进行了研究,同时对涡轮静叶栅和动叶片在不同的旋转速度下分别进行计算,分析不同转速、吹风比和冷却气流喷射角度对气膜冷却的影响。
3.
The B-L turbulent model is employed to compute film cooling effectiveness of flat, concave and convex surfaces.
采用B-L紊流模型对平板、凹面和凸面上气膜冷却效率进行了数值模拟,对不同吹风比(0。
补充资料:配置效率和生产效率
在经济学上,经济发展的动力,或者说效率的来源,分为两类:一类是配置效率,二是生产效率。所谓配置效率,是指给定资源和技术的条件下,怎么样使资源从边际生产率低的地方流向边际生产率高的地方,从而使得资源和利用更合理、社会总价值达到最大;而生产效率是指如何通过技术进步提高每一种资源的生产率,也就是把社会的生产可行性边界向外移。
说明:补充资料仅用于学习参考,请勿用于其它任何用途。
参考词条