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Multi-stage semiconductor thermoelectric power generation and cooling integrated system for hypersonic flight vehicle

A technology of thermoelectric power generation and hypersonic speed, applied in the direction of generators/motors, electrical components, etc., can solve the problems of insufficient heat sink of hypersonic flight fuel, reduce fuel demand and maximum temperature, increase thermoelectric conversion rate, and reduce structure quality effect

Inactive Publication Date: 2017-03-22
HARBIN INST OF TECH
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AI Technical Summary

Problems solved by technology

[0006] The purpose of the present invention is to provide a hypersonic aircraft power generation / cooling system in order to meet the thermal protection and power supply requirements of long-endurance hypersonic flight, which uses the semiconductor temperature difference thermoelectric direct conversion module arranged in multiple stages to meet the power supply requirements of the aircraft, and at the same time Solve the problem of insufficient heat sink of current hypersonic flight fuel

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  • Multi-stage semiconductor thermoelectric power generation and cooling integrated system for hypersonic flight vehicle

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Embodiment approach 1

[0022] Embodiment 1: Combine the following figure 1 The present embodiment will be described in detail. The multi-stage semiconductor thermoelectric power generation and cooling integrated system for a hypersonic aircraft in this embodiment includes a low temperature channel 1, a multi-stage semiconductor thermoelectric power generation device, a plurality of thermally conductive insulating layers 4, and a high temperature channel 6;

[0023] Each stage of the semiconductor thermoelectric power generation device block includes a plurality of N-type semiconductor thermoelectric materials 2, a plurality of P-type semiconductor thermoelectric materials 3 and a plurality of guide fins 5, and the N-type semiconductor thermoelectric materials 2 and the P-type semiconductor thermoelectric materials 3 are arranged at intervals. , and are connected in series through the guide vane 5 in sequence;

[0024] The multi-stage semiconductor thermoelectric power generation devices are connect...

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Abstract

The invention discloses a multi-stage semiconductor thermoelectric power generation and cooling integrated system for a hypersonic flight vehicle, relates to a multi-stage semiconductor thermoelectric power generation and cooling integrated technology for the hypersonic flight vehicle, and aims to satisfy thermal protection and power supply requirement of long-endurance hypersonic flight. Each stage of semiconductor thermoelectric power generation apparatus comprises multiple N type semiconductor thermoelectric materials, multiple P type semiconductor thermoelectric materials and multiple flow-guiding sheets; the N type semiconductor thermoelectric materials and the P type semiconductor thermoelectric materials are arranged at intervals, and are connected in series in sequence through the flow-guiding sheets; the multiple stages of semiconductor thermoelectric power generation apparatuses are connected in parallel to form a multi-stage semiconductor thermoelectric power generation system; heat-conducting insulating layers, tightly attached to the flow-guiding sheets, are arranged on the two sides of each stage of semiconductor thermoelectric power generation apparatus; and a low-temperature channel and a high-temperature channel which are connected are formed in the two sides of the multi-stage semiconductor thermoelectric power generation system respectively. The multi-stage semiconductor thermoelectric power generation and cooling integrated system is applicable to the hypersonic flight vehicle.

Description

technical field [0001] The invention relates to a multi-stage semiconductor thermoelectric power generation and cooling integration technology for a hypersonic aircraft. Background technique [0002] The long-term flight of a hypersonic vehicle at a high flight Mach number will greatly increase the heat flux density between the leading edge of the body and the combustion chamber, making thermal protection one of the key technologies for hypersonic flight. At the same time, for long-duration hypersonic aircraft, a single battery can no longer meet the power supply demand, and a power supply system that can continuously generate electricity must be introduced. [0003] The extremely high incoming total temperature and possible supersonic combustion result in very high thermal loads on the leading edge of the hypersonic vehicle and on the engine combustion chambers. For the active cooling thermal protection scheme necessary for long voyages, the limited allowable temperature o...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02N11/00
CPCH02N11/002
Inventor 秦江程昆林章思龙鲍文
Owner HARBIN INST OF TECH
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