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Aviation airborne heat exchange network optimization method based on superstructure model

A technology of heat exchange network and optimization method, applied in design optimization/simulation, computer-aided design, special data processing application, etc.

Pending Publication Date: 2020-12-04
SHENYANG AIRCRAFT DESIGN INST AVIATION IND CORP OF CHINA
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  • Application Information

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Problems solved by technology

[0004] The purpose of this application is to provide a method for optimizing the aviation airborne heat exchange network based on the superstructure model to solve or alleviate at least one of the problems in the background technology

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  • Aviation airborne heat exchange network optimization method based on superstructure model
  • Aviation airborne heat exchange network optimization method based on superstructure model
  • Aviation airborne heat exchange network optimization method based on superstructure model

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Embodiment Construction

[0019] In order to make the purpose, technical solution and advantages of the application more clear, the technical solution in the embodiment of the application will be described in more detail below in conjunction with the drawings in the embodiment of the application.

[0020] by figure 1 The shown airborne thermal management system heat exchange network is used as an object, and the method of the present application is further illustrated or described.

[0021] This method mainly includes the following processes:

[0022] S1. First, according to the actual situation of the onboard heat sink and heat source, the analysis of the number of hot and cold fluids in the thermal management system is completed, and the import and export parameters of the hot and cold fluids in the airborne network and the number of hot and cold fluids are determined.

[0023] For example figure 1 A typical airborne thermal management system thermal network shown in , contains five streams of hot ...

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Abstract

The invention provides an aviation airborne heat exchange network optimization method based on a superstructure model. The method comprises the steps that inlet and outlet parameters of cold and hot fluid and the number of strands of the cold and hot fluid in an airborne heat exchange network are determined; establishing a heat exchange network superstructure model according to the inlet and outlet parameters of the cold and hot fluids and the number of strands of the cold and hot fluids so as to establish a heat balance relationship of each heat exchange node; and an optimization objective function under the optimal heat exchange area is constructed, the heat exchange amount of the cold and hot fluid is calculated through the optimization objective function, and the optimization objectivefunction is iteratively calculated through an optimization algorithm to obtain the full-machine heat exchange network structure. According to the method, overall optimization is conducted on the heatexchange process from the perspective of the whole machine, the method is a forward design method of a heat network in a heat management system, existing airborne heat sinks can be utilized to the maximum extent, meanwhile, the weight and heat exchange power margin of heat exchange nodes are optimized, and an important guiding method is provided for lightweight design of the system.

Description

technical field [0001] The present application belongs to the technical field of airborne heat exchange, and in particular relates to an optimization method for an aviation airborne heat exchange network based on a superstructure model. Background technique [0002] The onboard thermal management system involves many heat exchange nodes, and the heat exchange process has complex working conditions. Based on a single system function, only the heat dissipation power level is considered to ensure that the system meets the most stringent heat dissipation requirements of the system under typical harsh working conditions. And use this to arrange and design the hot spots. [0003] The current heat dissipation network design of the airborne thermal management system does not have a comprehensive design method that integrates the heat sink of the whole machine and the cold and heat flow characteristics of the heat dissipation load, nor can it coordinate the cold and heat resources of...

Claims

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Application Information

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IPC IPC(8): G06F30/15G06F30/27G06F119/08
CPCG06F30/15G06F30/27G06F2119/08
Inventor 梁兴壮林鹏袁振伟艾凤明李征鸿赵民
Owner SHENYANG AIRCRAFT DESIGN INST AVIATION IND CORP OF CHINA
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