INFLUENCE OF SOME FACTORS ON OPTIMAL JET FLOW EXCITING FREQUENCY OF OSCILLATORY TUBE

LI Xuelai; HUANG Qifei; ZHU Che

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INFLUENCE OF SOME FACTORS ON OPTIMAL JET FLOW EXCITING FREQUENCY OF OSCILLATORY TUBE

更新时间：2025-12-10

- INFLUENCE OF SOME FACTORS ON OPTIMAL JET FLOW EXCITING FREQUENCY OF OSCILLATORY TUBE
- CIESC Journal Issue 2, (2002)
- 作者机构：
  
  1. 福州大学化工系
  2. 大连理工大学化工学院
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Online First：25 February 2002，
  
  Published：25 February 2002
- 稿件说明：
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LI Xuelai, HUANG Qifei, ZHU Che. INFLUENCE OF SOME FACTORS ON OPTIMAL JET FLOW EXCITING FREQUENCY OF OSCILLATORY TUBE[J]. CIESC Journal, 2002, (2).
DOI：

LI Xuelai, HUANG Qifei, ZHU Che. INFLUENCE OF SOME FACTORS ON OPTIMAL JET FLOW EXCITING FREQUENCY OF OSCILLATORY TUBE[J]. CIESC Journal, 2002, (2). DOI：

摘要

利用振荡管单管实验装置

在膨胀比ε=2～ 6、振荡管长径比L/d =107～ 730、射流激励频率 f =30～2 0 0Hz范围内探讨了振荡管制冷效率随f的变化规律

较系统地研究了有关因素如管长、膨胀比、管外换热状况、热端放气等对最佳射流激励频率 fopt的影响

建立了无激波吸收器时振荡管的参数最佳匹配关系 .所得结论对压力波制冷机的优化设计有一定指导意义

Abstract

By means of a single-tube set-up

the effect of jet flow exciting frequency ( f ) on refrigeration efficiency ( η ) and the influence of some factors

i.e. tube length

expansion rate

heat transfer conditions and discharging at the heat end of the tube

on optimal jet flow exciting frequency are studied experimentally in this paper.The results show that there exists a number of peak value refrigeration efficiency when the exciting frequency is increased.The variation of η due to the change of f can be over 12%.The optimal jet flow exciting frequency is significantly decreased when the tube length is increased

the expansion rate is decreased

the heat transfer condition outside of the tube is improved

or a part of heat gas is discharged at the heat end of the tube.An optimal parameters matching relationship

which can be used to predict the value of the optimal jet flow exciting frequency

is obtained.

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