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1 基于AMESim的航空发动机防喘
; j; w F$ T$ f: O% }; A" F+ l% \调 节 器 性 能 仿真研究
/ }" B1 L3 L7 C任新宇‘,郭迎清’,姚华廷“
B! S. x) n' B: V9 D<1.西北工业大学动力与能源学院,陕西西安710072;4 K F) _2 a1 e# t$ z/ d3 l8 i
2.贵州航空发动机研究所,贵州平坝561102)
4 {1 m6 s( S s8 P6 X摘要:某型航空发动机在试车过程中多次出现防喘过程发生爆燃、富油等异常现象。为解决这一问题,本文
3 w' H3 h- e, k6 G利用AMESim软件对航空发动机防喘切油过程进行了动态仿真。仿真结果表明:应用AMESim语言能较好
: _# j1 w' l$ [* F. n) ^& z的解决液压系统动态仿真问题,发动机防喘切油过程异常的主要原因是切油过程油压变化过于剧烈导致发; K2 T% j$ B# O% _+ a9 ?
动机燃烧室燃烧不稳定,适当修正防喘调节器主、副油路节流嘴直径可以使这一现象得到改善。; ~: w- H; O+ L7 D/ d9 M. l* F4 l
关键词:航空、航天推进系统;航空发动机;防喘调节器;建模与仿真;AMESim, a( h, v. w. u+ F
中图分类号:V233-95 文献标识码:A
5 O& p6 p8 v6 x1 Q/ j- z7 JA Sim u la tio no ft heA nti-SurgingR egulatorP erformance+ h, J8 N- N l' O9 u$ M
for t he A er o-E n gin e U sin g A M E Si m
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egulatorw ase mployedt or educet hef ueld uringt heg randt esto fa na ero-engine.In o rder5 l8 [; M+ a4 h0 G0 b, {
to solve this problem,a dynamic simulation of the anti-surging process was conducted using9 k& J: H! d8 s9 K8 d4 j. X" y
the AMESim software. The simulation has showed that the AMESim software can deal with% O7 b7 @* j) b: M9 q4 e" m0 N2 z
suchh ydro-mechanicd ynamicp rocess.T hed ramaticc hangeo ft hef uelp ressure,whichr esultsin' A" z' }8 \5 ]5 p
unstable burning,causes these abnormals,but tyey can be alleviated if the diameters of the main
# M- T; p: ]. D3 z# \* l7 z- Pthrottle and the auxiliary throttle are properly changed.
6 g: P5 v8 `" ^5 l( iKey words:aerospace propulsion system;aero-engine;anti-surging regulator;6 {7 Z8 B$ N x! b1 E
modeling and simulating;AMESim 005-某型发动机加力燃油系统的启动总管的特性仿真 006-某型发动机喷口调节器的特性分析 |