Thermal simulation method of aircraft electric environment control system
An environmental control system and thermal simulation technology, applied in general control systems, control/regulation systems, instruments, etc., can solve problems such as incapable of dynamic analysis, incapable of accurately describing heat transfer process, incapable of providing guidance for thermal energy optimization, etc.
Pending Publication Date: 2021-10-01
SHENYANG AIRCRAFT DESIGN INST AVIATION IND CORP OF CHINA
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Problems solved by technology
[0010] 1) The components of the simulation model are state point type, which cannot be used for dynamic analysis, and can only be analyzed through different working states, and cannot accurately describe the heat transfer process;
[0011] 2) Lack of energy-saving optimization links, unable to provide guidance for thermal energy optimization
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[0037] In order to make the technical solution of the present application and its advantages clearer, the technical solution of the present application will be further clearly and completely described in detail below in conjunction with the accompanying drawings. It can be understood that the specific embodiments described here are only part of the application Examples are only used to explain the present application, not to limit the present application. It should be noted that, for the convenience of description, only the parts related to the present application are shown in the drawings, and other relevant parts can refer to the general design. In the case of no conflict, the embodiments in the application and the technologies in the embodiments Features can be combined with each other to obtain new embodiments.
[0038] In addition, unless otherwise defined, the technical terms or scientific terms used in the description of the application shall have the usual meanings und...
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The invention belongs to the technical field of thermal simulation of aircraft electric environment control systems, and relates to a thermal simulation method of an aircraft electric environment control system. The method comprises the following steps of: constructing an aircraft engine simulation model; constructing an aircraft fuel tank simulation model; constructing an aircraft cockpit simulation model; constructing an aircraft electric environment control system simulation model; establishing connection relations among the aircraft engine simulation model, the aircraft fuel tank simulation model, the aircraft cockpit simulation model and the aircraft electric environment control system simulation model, and performing thermal simulation calculation of the aircraft electric environment control system; and constructing thermal inertia modules of all components according to thermodynamic physical properties and mass, collecting thermal inertia information of all the components, and conducting thermal inertia simulation calculation.
Description
technical field [0001] The application belongs to the technical field of thermal simulation of an aircraft electrical environmental control system, and in particular relates to a thermal simulation method of an aircraft electrical environmental control system. Background technique [0002] Aircraft electrical environmental control system draws air from the main engine, part of which is used to drive the power turbine, and part of it enters the compressor after heat exchange and cooling by the external duct heat exchanger 1. The temperature of the gas flowing out of the compressor rises and enters the external duct for heat exchange After heat exchange and cooling, the device 2 further enters the heat exchanger of the environmental control system for cooling, and then enters the cooling turbine for cooling and expansion. After cooling and expansion, it enters the heat exchanger of the avionics equipment to exchange heat with the avionics equipment. Most of the gas circulates ...
Claims
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Login to View More IPC IPC(8): G05B17/02
CPCG05B17/02
Inventor 孙宇李征鸿徐向东傅恽涵丁顺利张学永
Owner SHENYANG AIRCRAFT DESIGN INST AVIATION IND CORP OF CHINA