变循环压缩系统单外涵模式外涵节流特性分析

Sen Wu; Xian Jun Yu; Heng Tao Shi; Bao Jie Liu

doi:10.16146/j.cnki.rndlgc.2021.11.005

变循环压缩系统单外涵模式外涵节流特性分析

Translated title of the contribution: Analysis of External Throttling Characteristics of Single Bypass Mode in Variable-cycle Compression System

Sen Wu
, Xian Jun Yu^*
, Heng Tao Shi
, Bao Jie Liu

^*Corresponding author for this work

Research institute of Aero-Engine

The Military Representative Office of Shenyang Bureau of Naval Equipment Department
Beihang University

Research output: Contribution to journal › Article › peer-review

1 Scopus citations

Abstract

In order to clarify the matching flow mechanism among the fan, the core drive fan stage (CDFS) and the high-pressure compressor in the compression system of a certain double bypass variable-cycle engine, the fluid mechanics software Numeca was used to obtain the external throttling characteristics in the single bypass mode under three typical back-pressure situations of internal bypass. The results show that the throttling of the external duct can achieve a substantial adjustment of the bypass ratio, and it can realize a substantial adjustment of the pressure ratio of the external duct and the adiabatic efficiency of double ducts by influencing the working status of the fan and CDFS.

Translated title of the contribution	Analysis of External Throttling Characteristics of Single Bypass Mode in Variable-cycle Compression System
Original language	Chinese (Traditional)
Pages (from-to)	34-40
Number of pages	7
Journal	Reneng Dongli Gongcheng/Journal of Engineering for Thermal Energy and Power
Volume	36
Issue number	11
DOIs	https://doi.org/10.16146/j.cnki.rndlgc.2021.11.005
State	Published - 20 Nov 2021

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title = "变循环压缩系统单外涵模式外涵节流特性分析",

abstract = "In order to clarify the matching flow mechanism among the fan, the core drive fan stage (CDFS) and the high-pressure compressor in the compression system of a certain double bypass variable-cycle engine, the fluid mechanics software Numeca was used to obtain the external throttling characteristics in the single bypass mode under three typical back-pressure situations of internal bypass. The results show that the throttling of the external duct can achieve a substantial adjustment of the bypass ratio, and it can realize a substantial adjustment of the pressure ratio of the external duct and the adiabatic efficiency of double ducts by influencing the working status of the fan and CDFS.",

keywords = "Compression system, Efficiency, Flow matching, Pressure ratio, Variable-cycle engine",

author = "Sen Wu and Yu, \{Xian Jun\} and Shi, \{Heng Tao\} and Liu, \{Bao Jie\}",

year = "2021",

month = nov,

day = "20",

doi = "10.16146/j.cnki.rndlgc.2021.11.005",

language = "繁体中文",

volume = "36",

pages = "34--40",

journal = "Reneng Dongli Gongcheng/Journal of Engineering for Thermal Energy and Power",

issn = "1001-2060",

publisher = "Harbin Research Institute",

number = "11",

}

TY - JOUR

T1 - 变循环压缩系统单外涵模式外涵节流特性分析

AU - Wu, Sen

AU - Yu, Xian Jun

AU - Shi, Heng Tao

AU - Liu, Bao Jie

PY - 2021/11/20

Y1 - 2021/11/20

N2 - In order to clarify the matching flow mechanism among the fan, the core drive fan stage (CDFS) and the high-pressure compressor in the compression system of a certain double bypass variable-cycle engine, the fluid mechanics software Numeca was used to obtain the external throttling characteristics in the single bypass mode under three typical back-pressure situations of internal bypass. The results show that the throttling of the external duct can achieve a substantial adjustment of the bypass ratio, and it can realize a substantial adjustment of the pressure ratio of the external duct and the adiabatic efficiency of double ducts by influencing the working status of the fan and CDFS.

AB - In order to clarify the matching flow mechanism among the fan, the core drive fan stage (CDFS) and the high-pressure compressor in the compression system of a certain double bypass variable-cycle engine, the fluid mechanics software Numeca was used to obtain the external throttling characteristics in the single bypass mode under three typical back-pressure situations of internal bypass. The results show that the throttling of the external duct can achieve a substantial adjustment of the bypass ratio, and it can realize a substantial adjustment of the pressure ratio of the external duct and the adiabatic efficiency of double ducts by influencing the working status of the fan and CDFS.

KW - Compression system

KW - Efficiency

KW - Flow matching

KW - Pressure ratio

KW - Variable-cycle engine

UR - https://www.scopus.com/pages/publications/85121877032

U2 - 10.16146/j.cnki.rndlgc.2021.11.005

DO - 10.16146/j.cnki.rndlgc.2021.11.005

M3 - 文章

AN - SCOPUS:85121877032

SN - 1001-2060

VL - 36

SP - 34

EP - 40

JO - Reneng Dongli Gongcheng/Journal of Engineering for Thermal Energy and Power

JF - Reneng Dongli Gongcheng/Journal of Engineering for Thermal Energy and Power

IS - 11

ER -

变循环压缩系统单外涵模式外涵节流特性分析

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