A CW primary surface heat exchanger test bench

By designing a test rig for the CW original surface heat exchanger, the problem of insufficient measurement of local heat transfer coefficient inside the channel was solved, enabling in-depth research on flow and heat transfer mechanisms and improving the measurement accuracy and adaptability of the test rig.

CN116519351BActive Publication Date: 2026-06-23HARBIN ENG UNIV
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
HARBIN ENG UNIV
Filing Date
2023-05-10
Publication Date
2026-06-23

AI Technical Summary

Technical Problem

Existing experimental studies on CW original surface regenerators lack measurement of the local heat transfer coefficient inside the channel, resulting in insufficient research on flow and heat transfer mechanisms.

Method used

A test bench for CW original surface heat exchangers was designed, including specific pipe connections and insulation structures, equipped with temperature sensors to measure the local wall heat transfer coefficient, and adopts a split design to facilitate component replacement and conduct multi-condition and multi-type tests.

Benefits of technology

The measurement of the local heat transfer coefficient within the channel of the original CW surface heat exchanger was realized, which promoted the study of flow and heat transfer mechanisms and improved the measurement accuracy and adaptability of the test bench.

✦ Generated by Eureka AI based on patent content.

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Abstract

The present application aims to provide a CW original surface heat exchanger test bench, comprising a heat exchange box, a cold side inlet pipeline, a cold side outlet pipeline, a hot side inlet pipeline and a hot side outlet pipeline, the heat exchange box is communicated with the cold side inlet pipeline, the cold side outlet pipeline, the hot side inlet pipeline and the hot side outlet pipeline respectively, the cold side outlet pipeline is connected with a heating pipeline, the heating pipeline is communicated with the hot side inlet pipeline through a return bend pipeline, normal temperature air enters the cold side inlet pipeline and is heated in the heat exchange box, enters the heating pipeline through the cold side outlet pipeline, enters the heat exchange box through the hot side inlet pipeline, and is extracted through the air extraction fan connected with the hot side outlet pipeline. The present application can measure the heat exchange effect, resistance loss and local wall heat exchange coefficient of the CW original surface heat exchanger, so as to better study the internal flow and heat exchange mechanism of the CW original surface heat exchanger.
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