1) nearness of surge
喘振接近度
2) surge margin
喘振裕度
1.
In order to improve the performance of the flight/propulsion system, additional thrust is obtained by uptrimming the engine pressure ratio in some operation conditions and in part of the flight envelope where an excess surge margin exists.
提出一种基于发动机喘振裕度自适应的飞行 /推进系统综合控制。
3) stall margin
喘振边界，喘振裕度
4) surge margin degradation
喘振裕度损失
1.
For co-rotating distortions,the results exhibited significant loss in stability margin and there were two peaks in surge margin degradation corresponding to two distortion rotating frequencies;For counter rotational distortions,the tests showed minimal loss of stability margin,especially in some cases.
利用RB-1995级高压压气机,实验研究了进口旋转总压畸变对其性能和气动稳定性的影响,获得了总压畸变的旋转频率对高压压气机喘振裕度损失的影响结果。
5) surge-to-stall margin
喘振-失速裕度
6) Surging
[英][sə:dʒ] [美][sɝdʒ]
喘振
1.
The air compressor internal cooler was plugged,leading to bad heat exchanging,temperature raising of the compressor media and compressor bundle surging.
空压机内冷器堵塞,换热效果差,造成压缩介质温度升高,使机组发生喘振。
2.
Using the network method of fluids, an operation mode of two shunt connected axial blowers is being calculated as well as the critical angle difference of moving blades, at which surging of the blowers may occur.
该文利用流体网络法 ,计算了并列的两台轴流风机的动态运行情况 ,找出了并列运行两台轴流风机发生喘振的临界动叶角度差。
补充资料：泵喘振
分子式：
CAS号：
性质：又称涌浪。泵及其管路系统由于小流量，液流在泵内脱液而形成的自振，表现为压力、流量周期性的变化，泵与管路系统产生激烈振动及低沉噪声。例如：当离心泵性能曲线为驼峰状时，由于工况点不稳而可能发生喘振。喘振现象是十分有害的，造成机器振动，噪声加剧，严重时造成机器损坏等严重事故。
CAS号：
性质：又称涌浪。泵及其管路系统由于小流量，液流在泵内脱液而形成的自振，表现为压力、流量周期性的变化，泵与管路系统产生激烈振动及低沉噪声。例如：当离心泵性能曲线为驼峰状时，由于工况点不稳而可能发生喘振。喘振现象是十分有害的，造成机器振动，噪声加剧，严重时造成机器损坏等严重事故。
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