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Rectangular narrow slit channel circulation structure applied to high temperature and high pressure

A high-temperature, high-pressure, pressure-bearing structure technology, applied to fluid heaters, lighting and heating equipment, heat exchange equipment, etc., to achieve the effects of optimizing the structure of circulation channels, simplifying layout, and optimizing pressure-bearing methods

Pending Publication Date: 2021-06-04
XI AN JIAOTONG UNIV
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

For the one-piece parallel rectangular channel, there is no report in domestic and foreign patents and literature

Method used

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  • Rectangular narrow slit channel circulation structure applied to high temperature and high pressure
  • Rectangular narrow slit channel circulation structure applied to high temperature and high pressure
  • Rectangular narrow slit channel circulation structure applied to high temperature and high pressure

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Embodiment Construction

[0035] The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0036] Such as figure 1 and figure 2 As shown, a rectangular narrow slit channel flow structure applied under high temperature and high pressure, including the connection structure and the internal pressure-bearing structure of the rectangular narrow slit channel flow structure and the external pressure-bearing structure of the rectangular narrow slit channel flow structure; the connection The structure includes inlet electrode 1, inlet sealing s...

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Abstract

The invention discloses a rectangular narrow slit channel circulation structure applied to high temperature and high pressure, and belongs to the technical field of energy and power engineering thermotechnical fluid experiment research. The rectangular narrow slit channel circulation structure comprises a connecting structure, an internal pressure-bearing structure of the rectangular narrow slit channel circulation structure and an external pressure-bearing structure of the rectangular narrow slit channel circulation structure. An integrated welding structure is adopted to form parallel rectangular narrow slit dual channels; through the interaction of high-pressure fluid in two narrow slits, the reliability of internal pressure bearing is ensured; and a circular stainless steel sleeve is selected as an external pressure bearing manner, and a traditional bolt pressing type structure is replaced. According to a rectangular narrow slit channel testing device, a traditional circulation channel structure and a pressure bearing manner are optimized, and the testing device has important significance for researching the flowing heat exchange characteristic in the rectangular narrow slit channels and the flowing distribution and instability of the parallel channels.

Description

technical field [0001] The invention belongs to the technical field of thermal fluid experiment research in energy and power engineering, and in particular relates to a flow structure of a rectangular narrow slit channel applied under high temperature and high pressure conditions. Background technique [0002] Rectangular narrow slit channel is a circulation channel with compact structure and high heat exchange efficiency. Compared with conventional channels, rectangular narrow slit channel has a large aspect ratio, and its heat transfer area is much higher than that of circular channel under the same hydraulic diameter. Therefore, rectangular narrow slot channels are often used in key equipment such as reactor cores and electronic cooling components. Due to the scale effect, the heat transfer characteristics and the two-phase flow structure in the narrow slot channel are different from those in the conventional channel, so it is of great significance to study the flow and h...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F28F9/22F24H9/00F24H9/18
CPCF28F9/22F24H9/0015F24H9/1818F28F2009/226F24H2250/10
Inventor 王腾毕勤成严天宇霍福强刘朝晖
Owner XI AN JIAOTONG UNIV
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