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Device and system for testing flow resistance of cooler for Stirling engine

A Stirling engine and testing device technology, applied in the direction of hot gas variable displacement engine devices, machines/engines, mechanical equipment, etc., can solve the problems of the annular cooler starting late, lack of cooler flow resistance, etc., and achieve simplification and tediousness Degree and structural complexity, high reliability, ensuring scientific effects

Active Publication Date: 2019-03-19
SHANGHAI MICROPOWERS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The research on the water-side flow resistance characteristics of annular coolers started relatively late, especially for Stirling engines. Thermal Efficiency of the Cooler Provides Experimental Data Base

Method used

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  • Device and system for testing flow resistance of cooler for Stirling engine
  • Device and system for testing flow resistance of cooler for Stirling engine
  • Device and system for testing flow resistance of cooler for Stirling engine

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Embodiment Construction

[0044] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the specific implementation manners of the present invention will be described below with reference to the accompanying drawings. Obviously, the accompanying drawings in the following description are only some embodiments of the present invention, and those skilled in the art can obtain other accompanying drawings based on these drawings and obtain other implementations.

[0045] In order to make the drawing concise, the parts related to the present invention are only schematically shown in each drawing, and they do not represent the actual structure of the product. In addition, to make the drawings concise and easy to understand, in some drawings, only one of the components having the same structure or function is schematically shown, or only one of them is marked. Herein, "a" not only means "only one", but also means "more than one". In this arti...

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Abstract

The present invention discloses a device and a system for testing flow resistance of a cooler for a Stirling engine; the device for testing flow resistance of an annular cooler for the Stirling enginecomprises: a testing workbench for installing the annular cooler, wherein a water inlet pipeline communicating with fluid of a water inlet of the annular cooler and a water outlet pipeline communicating with fluid of a water outlet of the annular cooler are arranged on the testing workbench; the water inlet pipeline close to the water inlet is provided with a first testing position for installinga first pressure sensor; and the water outlet pipeline close to the water outlet is provided with a second testing position for installing a second pressure sensor; the flow resistance testing deviceof the present invention has the characteristics of flexible operation, good repeatability, high reliability and the like, and thus studying and testing requirements of water side flow resistance ofthe annular cooler can be met and test data are provided for further optimization design of the annular cooler.

Description

technical field [0001] The invention relates to the technical field of coolers for Stirling engines, in particular to a flow resistance testing device and system for coolers for Stirling engines. Background technique [0002] The cooler is a heat exchanger for the Stirling engine to cool the working medium, and the cooler adopts a tube heat exchange structure. The cooling water flows outside the tube, absorbs the heat of the working medium flowing in the tube, and takes the heat away to maintain the temperature of the working medium at the cold end. When the cooler is installed on a Stirling engine, it is connected to the regenerator at the top and the cold cavity of another cylinder at the bottom. The flow resistance characteristics of the water side of the cooler affect the net efficiency of the heat engine system, and the development of coolers with low flow resistance and high heat transfer efficiency is one of the ways to improve the performance of the heat engine. ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F02G1/055F02G1/047F02G1/053
CPCF02G1/047F02G1/053F02G1/055
Inventor 徐炜朱天宇刘佳伟唐劼李松剑
Owner SHANGHAI MICROPOWERS