肋条深度对流场影响不大,但小肋条深度可以稍微提高涡轮效率。
The shelf depth has less effect on the flow field, and the turbine efficiency slightly increases when the shelf depth is small.
三维粘性数值模拟的结果显示新低压涡轮效率在高空低雷诺数情况下比设计点下降2.3个百分点。
The results of 3d viscous numerical simulation show that the efficiency of new LPT decreases 2.3 percent under the low Reynolds number condition, which was compared with that of design point.
轮周效率只考虑定子、转子流道中的损失、余速损失,较明显地反映了流道中气流角度与涡轮效率的关系。
The crown efficiency only considers the loss in the channel of stator and rotor and the residual speed loss, clearly showing the relationship between the pneumatic angle and turbine efficiency.
自立式涡轮机最大的缺点是在将水能转换成电能方面,它们没有大坝中的涡轮机的效率高。
The big disadvantage of free-standing turbines is that they are less efficient than turbines in DAMS at turning the kinetic energy of moving water into electricity.
独立式涡轮的最大缺点是他们将机械能转化为电能的效率低于大坝内安装的涡轮。
The big disadvantage of free-standing turbines is that they are less efficient in transforming the mechanical energy of water into electrical energy than turbines in dams are.
多数借由提升燃烧效率带来的利益是依靠对用以驱动发电站涡轮机的蒸汽进行升温和加压。
Most of the gains in efficiency come from increasing the heat and pressure of the steam used to turn a plant's turbines.
涡轮在高速运行的时候效率更高,而风扇在低速时效率更高,因此涡扇发动机需要在这两者间达到拖鞋,因为发动机的设计需要他们以相同的速度运行。
Turbines run most efficiently at high speeds, and fans at low speeds, so turbofan engines have to compromise between the two, because the engine's design requires them to turn at the same speed.
“为了产生更多的电量和效率,我更愿意使用更少的但更高的涡轮机。”Vilmar先生说。
"I would rather have fewer turbines with huge heights and create more electricity and efficiency out of them," said Mr Vilmar.
Pratt&Whitney在探索将一个变速箱放在风扇和涡轮机中间,因为风扇在低速时效率较高,而涡轮机则在高速时更高效。
Pratt & Whitney is exploring putting a gearbox between the fan and the turbine, because fans run more efficiently at low speeds and turbines operate better at high speeds.
针对微型燃气涡轮发动机喷嘴的雾化对燃烧室火焰稳定性、温度分布和燃烧效率的影响。
The nozzle spray characteristics of micro-turbine engines affect the stabilization of flame of the combustion chamber, the distribution of temperature, and the efficiency of combustion.
先进的小发动机涡轮的流量小,叶片短,展弦比低,二次损失及叶尖漏泄损失大,效率低,温度高冷效差。
The advanced small gasturbines feature small mass flow ratio, short vanes and blades with low aspect, high second flow and blade tip leakage losses, and low efficiency.
结果表明,末排低压动叶通过采用正弯叶片造型,可以在保证效率保持不变的前提条件下,使得高低压涡轮出功比降低2.6%。
The results show that , the ratio of the output power of vaneless counter-rotating turbine can reduce 2.6% at the same turbine efficiency when the low pressure rotor curves positive.
高过滤效率(H12)结合低压降,可提供连续的大功率输出,减少燃料成本,增强涡轮可用性。
High filtration efficiency (H12) combined with low pressure drop provide continuous high power output, reduced fuel costs, and increased turbine availability.
特殊的涡轮分散器,确保了介质的高能量均匀运动,粒径分布更狭窄,超高效率。
Special turbo diffuser, to ensure the uniform motion of medium high energy, the particle size distribution is more narrow, ultra high efficiency.
涡轮机的损坏降低了工作的效率。
发动机具有较高的效率比涡轮机的同时,额定功率。
An engine with a higher efficiency than turbines of the same power rating.
大鼓风涡轮,产生更大空气流量,有效提高工作效率。
The big blast turbine, generates greater air flow, and improve work efficiency.
作为航空发动机非常重要的组成部分,低压涡轮+对整个发动机质量、耗油率和效率都有很大的影响。
As a very important component of aeroengines, low pressure turbine affects the mass, the specific fuel consumption, the efficiency of aeroengine greatly.
在涡轮机设计和制造中,效率高低是最主要的竞争因素。
Utmost efficiency in the design and manufacture, of turbomachinery is a prime competitive factor.
基于闭式补燃循环液体火箭发动机流量大的特点,欲设计效率水平高的航天反力式涡轮。
Attributing to the large flow rate, high efficiency level reaction turbine is adoptive in staged combustion cycle liquid rocket engine.
我们的系统在输出方面效率很高,力学系统比如传统的风力涡轮机不会造成磨擦力损耗。
"Our system is very efficient in that there is no friction loss associated with more mechanical systems such as conventional wind turbines," he said.
采用两级旋转方向相反的涡轮可使热转换效率大大提高。
With a two-level turbine with reverse rotating directions adopted, thermal conversion efficiency can be greatly improved.
混流技术能有效提高涡轮增压器的效率,本文介绍了HP55增压器混流涡轮的叶片成形和设计,以及该增压器在CYQD32系列柴油机上的应用。
The technology of mixflow can improve the efficiency of turbochargers. The design of HP55 mixflow turbine was introduced, and was applied to CYQD32 series diesel engine.
随海拔的增高,涡轮增压器与柴油机的联合运行线逐步逼近喘振边界线,压气机效率下降;
With the heightening of the altitude, the turbo supercharger and the diesel associated running curves approach blow vibration borderline, and air compressor's efficiency comes down;
采用喷涂封严涂层的方法调整叶片端部与发动机涡轮机壳之间的间隙以提高发动机效率。
Seal coating sprayed is currently used to adjust the gap between the blade tip and engine casing and improve engine efficiency.
假设约80 %的效率对于大多数涡轮机,在知识的情况下相反。
Assume about 80% efficiency for most turbines, in the absence of knowledge to the contrary.
涡轮盘榫槽夹具可以保证加工精度高,提高加工效率。
The turbine disk trough fixture may guarantee the processing precision is high, enhances the processing efficiency.
本文对于柴油机高原效率进行了详细的分析,并推导了关于涡轮增压柴油机高原性能预测的计算公式。
This paper analysed the turbocharged high speed diesel engine perhrmance athighland, reported the calculation of prediction of turbocharged high speed diesel engineperformance at highland.
高温气冷堆氦气轮机是将氦气轮机与模块式高温气冷堆相结合,利用高温气冷堆产生的高温氦气直接推动涡轮做功进行高效率发电。
The modular high temperature gas-cooled reactor (HTGR) incorporated with helium turbine is considered as one of the leading candidates for future nuclear power plants.
高温气冷堆氦气轮机是将氦气轮机与模块式高温气冷堆相结合,利用高温气冷堆产生的高温氦气直接推动涡轮做功进行高效率发电。
The modular high temperature gas-cooled reactor (HTGR) incorporated with helium turbine is considered as one of the leading candidates for future nuclear power plants.
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