A method for predicting the off design performance of an axial flow compressor is presented.
本文介绍一种轴流压气机非设计性能的预测方法。
The conclusion that the forward skewed rotor has a higher efficiency and wider off design performance is validated once more.
验证了前弯叶片相对直叶片提高效率、扩大稳定工作范围的实验结果。
The new series also includes a piston design that makes digressive forces for added pitch and roll control. This helps with performance over rough terrains and on off-road surfaces.
新系列还包括一个活塞设计，它可降低阻力，增加间距和滚转控制，这有助于军用车辆在崎岖的地形和越野路面的表现。
These design choices struck an excellent balance that minimized complexity and maximized developer productivity, while trading-off performance compared to natively-compiled code.
这些设计决策在最小化复杂度和最大化开发生产力上达到了一个优异的平衡。
The following is an example of the cost in performance of off-design operation.
下面是非设计点工作在性能上损失的一个例子。
The off-design performance of a new type of heat pipe radiator was studied based on experimental method.
本文采用实验方法对一台新型热管散热器进行了变工况性能测试研究。
Consequently, a method based on the least squares approximation is advanced to support variant design, so that the trade-off between product performance and cost can be achieved.
其次给出了一种基于最小二乘逼近的产品变型配置设计方法。利用模拟退火算法得到了符合客户个性化需求的最优变量配置方案，即产品的性能和成本之间的平衡点。
The aerodynamic performances of on-design and off-design for the three conceptual configurations designed were computed, and the factors affected the performance were also discussed.
对所设计的三种外形方案，计算了设计点和非设计点的气动性能，并对影响性能的因素进行了讨论。
It is shown that the model can properly simulate the performance of single-spool gas generator even in the states of off-design rotating speed and small flux.
结果表明：该模型能够模拟单轴燃气发生器的性能，并能实现非设计转速小流量工况下的性能仿真。
The difficulty of building up such model is how to get the precise off-design performance curves of components.
其难点之一在于如何获得准确的部件变工况性能曲线。
Design of the system and analysis of its performance are followed by simulation. The results prove its responding characteristic superiority to electromagnetic on off valve.
通过系统设计、性能分析以及模拟计算，结果表明，该阀的响应特性明显优于电磁开关阀。
The system under discussion is suited for the naval steam turbine verification calculation and performance analysis for off-design conditions.
该体系适用于舰用汽轮机的校核计算和变工况性能分析。
By using the steam turbine models to deal with the off-design performance, the heat balance of the steam system can be modelled for various operation conditions.
在部件模型部分叙述了汽轮机的模型，它是变工况性能模型，不仅可提高蒸汽系统热平衡计算的精度，且使编制的软件能用于生产工况变化后蒸汽系统的热平衡。
In this paper, the off-design performance of a new type of heat pipe radiator was studied based on experimental method.
本文采用实验方法对一台新型热管散热器进行了变工况性能测试研究。
On the basis of an elementary cascade method a calculation model for the off-design performance of an axial-flow compressor has been set up.
基于基元叶栅法，建立了轴流式压气机的变工况计算模型，并采用变比热公式计算空气的热力参数；
The unsteady flow past stationary and oscillating cascade for off-design performance respectively are simulated numerically with the Discrete Vortex Method.
采用离散涡方法数值仿真了不同来流攻角下，固定与动边界叶栅绕流。在设计工况时流动接近定常流动。
It is of great significance to study operating performance and exhaust flow characteristic under off-design conditions of condenser system for the economic operation of direct air-cooled units.
研究直接空冷系统变工况运行以及排汽活动特性，对于进步直接空冷机组运行水平具有重要意义。
It is of great significance to study operating performance and exhaust flow characteristic under off-design conditions of condenser system for the economic operation of direct air-cooled units.
研究直接空冷系统变工况运行以及排汽活动特性，对于进步直接空冷机组运行水平具有重要意义。
应用推荐