The flow field of the core engine inlet was numerically calculated to solve the problem that the air flow measured in the air simulated test facility was inconsistent with ground test.
针对某型核心机地面台和高空台试验中空气流量测量不一致的问题,开展了核心机进口流场的数值计算分析和试验研究。
Changes of sidewall sweep Angle and cowl position can influence inlet performance such as mass capture, total pressure recovery coefficient and uniformity of isolator exit flow field.
侧板后掠角大小和整流罩位置变化时,对进气道的质量捕获、总压恢复系数和隔离段出口流场的均匀性等都有一定的影响。
The flow field of combustor inlet, and the fuel distribution, etc. have a great effect on the combustion oscillation.
燃烧室的进口流场,燃油浓度分布等对振动有很大的影响;
There is a difference between the numerical simulation results of two-dimensional and three-dimensional flow field in supersonic inlet, which shows the influence of boundary layer on the side wall.
超声速进气道的三维流场数值模拟结果与二维数值模拟结果存在较明显的差别,说明进气道侧壁附面层的影响不容忽略;
The influence of variation of inlet speed, oil temperature and concentration of polymer solution on the distribution of flow field in the quenching tank was also analyzed.
并研究了淬火槽进口速度、光亮淬火油的使用温度、聚合物浓度对于流场分布的影响。
The effect of slot inlet Angle and turning Angle on flow field characteristic of cascade with slot was studied numerically.
数值模拟了槽道进气角和转折角对开槽叶栅流场特性的影响。
And then the influence of the inlet flow's Mach, the outlet pressure, Angle, high velocity to the structure and major performance parameter of inlet's flow field are analyzed.
分析了来流马赫数、出口反压、攻角、高速旋转等因素对进气道流场结构及主要性能参数的影响。
The accuracy of the simulation model is verified by inlet duct steady flowing pressure tests on test benches, and then flow field distribution in inlet ducts is analyzed.
在用气道稳流试验台验证了仿真模型的准确性后,分析了进气道内部的流场分布。
Therefore, the good or bad condition of flow in the sump directly exerts an influence on the flow field of the pump inlet and consequently leads to poor pump system performance.
进水池中流态的好坏直接影响泵进口的流场,从而影响到水泵的系统性能。
The bent pipe makes the flow field of impeller inlet strongly disordered.
与无弯管相比,弯管造成叶轮进口的流场紊乱。
For several given types of inlet boundary layer, a numerical investigation on flow field of bowed stator vanes under two inlet subsonic Mach Numbers was carried out.
给定不同型式的进口边界层,在两种不同亚音速条件下对一平面扩压静叶栅的弯叶片流场进行了数值模拟。
The result shows that the inlet velocity has significant influence on the temperature field and flow field in glass house.
结果表明:玻璃屋入口流速对室内及多孔墙内空气的温度场与流场有较大的影响。
Steady flow fields are also calculated to analyze flow field structure for the same cascade with different inlet Mach Numbers and incidence Angle.
对于同一叶栅进行了定常流场的计算与分析,比较了平面叶栅在不同进口马赫数、不同攻角下的定常流场。
The measuring system with microcomputer for inlet and outlet flow field of the Francis turbine runner is described. The pitot probe with 5 holes was used as sensing element.
本文研制的微机检测系统用于转轮进出口流场测量,系统采用5孔探针为感应元件,全部数据处理及计算都由计算机完成。
A complicated turbulent flow field in a diffuser with typical geometric shape for aeroengine inlet design was calculated by the use of the implicit AF method.
应用隐式AF方法计算了为发动机进气道设计的典型扩压器内的复杂湍流流场。
With respect to the numerical simulation of the flow field of a novel Venturi air register incorporating an inlet swirler proposed is an analytical model along with a processing method.
针对带入口旋流器的新型文丘利调风器流场的数值模拟,提出了一种分析模型和处理方法。
At different attack angles, Mach Numbers and ramp angles, the numerical calculations of inner and external flow field are performed for an adjustable mixed compression inlet.
对某可调混压进气道在不同攻角、不同马赫数、不同斜板角度下进行了大量的数值计算。
Numerical calculation model and method are applicable to analyzing reacting flow field of the solid rocket ramjet with central air-inlet mode.
采用的数值计算模型和方法适用于分析中心进气式固冲发动机反应流场。
Thus, the nozzle structure has less influence than the inlet velocity on the overall gasifier gas flow field.
这说明喷嘴的结构对气化炉宏观气相流场的影响并不如入口速度对气相流场的影响显著。
The theoretical calculations show that the inner flow field presents strong 2dimension property. The reattachment point depends on the inlet sidestep height and combustion property.
理论计算表明发动机内流场呈现很强的二维特征,附着点位置与入口台阶高度和燃烧性能有关。
Influence of each factor on blade inlet flow of a large vertical axial-flow pump is analyzed, formation mechanism of flow field in the cross section is studied.
分析各因素对大型立式轴流泵叶片进口流态的影响,研究该断面流场的形成机理。
Unsteady flow in the rotor is simulated and contrast between the flow field with wake flow at the inlet and that with uniform one is presented.
对尾迹干扰下的转子非定常流场进行数值模拟,与传统设计定常流动假设下均匀进气的流场对比分析了尾迹干扰的影响。
A numerical simulation of the three-dimensional steady flow field in the whole flow field, from the inlet of the collector to the outlet of the diffuser, a 2k70 axial-flow fan is performed.
针对2k70型轴流式通风机从集流器进口到扩散器出口的内部三维全流场做了定常的数值模拟。
We will target the reasons for the low efficiency of low-pressure cylinder, Focus on the inlet air flow field and their organization's performance in this regard were analyzed.
在此主要针对低压缸效率偏低的原因,着重从低压进汽流场以及其气流组织的好坏这方面进行了分析。
It shows that the flow field in the inlet box of a centrifugal fan can be simulated successfully with the algorithm described in this paper.
这表明,该算法可以较好地模拟离心式风机进气箱内气体的流动,其计算结果可为进气箱的设计和改造提供参考。
The ratio of flow rate in the left fuel inlet to the right one affects significantly the temperature field and the most optimized ratio is 60%:40%.
两个喷嘴燃料流量的比例对阳极炭块的温度场影响很大,计算结果表明当左右两个燃料入口处燃料的流量比例为60%:40%时为最优工况。
The ratio of flow rate in the left fuel inlet to the right one affects significantly the temperature field and the most optimized ratio is 60%:40%.
两个喷嘴燃料流量的比例对阳极炭块的温度场影响很大,计算结果表明当左右两个燃料入口处燃料的流量比例为60%:40%时为最优工况。
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