The longer you can put off design decisions, the more information you have, enabling a more nuanced and contextualized decision.
越是往后推迟设计决定,就能掌握越多的信息,从而可以做出更精妙、更符合实际的决定。
A nonlinear mixed boundary element method is used here. And this method can be easily extended to off design conditions. The calculated results agreed very well with experimental data.
由于采用了非线性混合边界元,故本文所提出的方法精度高,简单易行,计算量小,可以较广泛地适用于偏离设计工况的运行情况,算例结果同实验值吻合很好。
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。
In addition, it is shown that impellers optimized at design point may not have good acoustic performances at off design point.
此外,还指出在设计流量下优化的叶轮不一定在非设计工况下也有良好的声学性能。
The computed results for a highly loaded two-stage fan at design and off-design conditions were given in detail. The simulation results show good agreement with experiment data.
给出了一双级高负荷跨音速风扇设计和非设计工况下的详细计算结果,各工况下的计算与实验数据均吻合较好。
This paper chiefly studies the off design thermal characteristic of bottom cycle system in integrated gasification combined cycle (IGCC) system.
文中研究了整体煤气化联合循环(IGCC)底循环系统的变工况特性。
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。
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。
The unsteady flow in a draft tube of Francis turbine under the off-design operation is produced by the dynamic behavior of a helical vortex rope with the dead core.
混流式水轮机在非设计工况点下运行时,尾水管内部的非定常流动是由死水域和螺旋涡带的动态行为引起的,尾水管上部的螺旋涡带旋转引起流动的基频脉动。
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。
A calculation method of the off-design of variable cross section in pulse turbine with vaneless volute is introduced in the paper.
介绍了变截面无叶蜗壳脉冲涡轮的变工况计算方法。
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。
Many off-design condition phenomena of a turbojet engine are related with the variation of incidence angles at front and rear compressor stages.
涡轮喷气发动机非设计状态下的许多现象都与共同工作时压气机前后各级攻角的变化有关。
It is one of the important directions of gas turbine modeling study that building up the large-scale and precise off-design model of gas turbine.
建立燃气轮机大负荷范围、准确的变工况模型是燃气轮机热力系统建模研究的一个重要方向。
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。
Practical operation has shown that the above-cited model plays a key role in enhancing the measurement precision during operations under off-design conditions.
经实际运行表明,建立的模型在变工况运行时,能有效地提高测量精度。
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。
This paper focuses on the unsteady characteristic of cascade separation flow under off-design condition.
本文针对非设计工况下叶栅的分离流动进行研究。
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;
During the process of various off-design operating conditions with the coal-pulverizer cold air port and hot air port opening degree serving as an input a dynamic model…
在不同的变工况过程中,以磨煤机冷风门和热风门开度为输入,所建立的磨煤机出口温度和入口空气流量的动态模型精确度较高,比较真实地反映了磨煤机的实际运行状况。
Under off-design operating conditions, shifting of the flame's axial position and its heat release may also influence the system's stability.
在非设计工况下运行时,火焰的轴向位置和燃烧放热的变化也对系统稳定性产生影响。
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 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。
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