Multi-Volume Fluid-Solid Heat Transfer Modeling for Flight Environment Simulation System

被引：0

作者：

Zhu M.-Y. ^{[1
,2
]}

Wang X. ^{[1
,2
]}

Pei X.-T. ^{[3
]}

Zhang S. ^{[3
]}

Dan Z.-H. ^{[3
]}

Miao K.-Q. ^{[1
,2
]}

Liu J.-S. ^{[1
,2
]}

Jiang Z. ^{[1
,2
]}

机构：

[1] School of Energy and Power Engineering, Beihang University, Beijing

[2] Collaborative Innovation Center for Advanced Aero-Engine, Beijing

[3] Science and Technology on Altitude Simulation Laboratory, AECC Sichuan Gas Turbine Establishment, Mianyang

来源：

Tuijin Jishu/Journal of Propulsion Technology | 2020年 / 41卷 / 12期

关键词：

Altitude ground test facilities; Digital simulation; Flight environment simulation system; Fluid-solid heat transfer; Multi-volume modeling;

D O I：

10.13675/j.cnki.tjjs.190628

中图分类号：

学科分类号：

摘要：

To improve modeling precision of digital simulation platform of flight environment simulation system (FESS) of Altitude Ground Test Facilities (AGTF), a multi-volume modeling method considering fluid-solid heat transfer is proposed. Considering the influence of mixer airflow mixing, fluid-solid heat transfer, and pipe pressure loss, a component model library was set up including control valve flow characteristic model, hydraulic servo system model, mixer model, mixer outlet air fence flow characteristic model, flow straightener subsystem model, and pipe volume model. A digital simulation platform of FESS is established based on the library. In order to verify the effectiveness of the modeling method proposed in this paper, two sets of mixing test data were used to do simulation verification, and the comparison results show that the dynamic variation trends of simulation and measurement result are basically the same and the maximum errors of temperature and pressure are less than 2.5K and 2kPa, respectively. To analysis the ability of FESS control system, a typical engine test condition is supposed to do the simulation analysis. The simulation results show that the FESS control system has the ability to do the Mach Dash and Zoom-Climb test. © 2020, Editorial Department of Journal of Propulsion Technology. All right reserved.

引用

页码：2848 / 2859

页数：11

共 31 条

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