A Preliminary Performance Test on the Self-made Gas J-T Cooling Radiofrequency Probe

doi:10.3969/j.issn.0253-4339.2011.03.074

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A Preliminary Performance Test on the Self-made Gas J-T Cooling Radiofrequency Probe

更新时间：2024-08-02

- A Preliminary Performance Test on the Self-made Gas J-T Cooling Radiofrequency Probe
- Journal of Refrigeration Vol. 32, Issue 3, (2011)
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- DOI：10.3969/j.issn.0253-4339.2011.03.074
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- Published：2011
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A Preliminary Performance Test on the Self-made Gas J-T Cooling Radiofrequency Probe[J]. Journal of refrigeration, 2011, 32(3).
DOI：

A Preliminary Performance Test on the Self-made Gas J-T Cooling Radiofrequency Probe[J]. Journal of refrigeration, 2011, 32(3). DOI： 10.3969/j.issn.0253-4339.2011.03.074.

摘要

为测试自制气冷射频针的性能

验证气冷射频技术的可行性及有效性

设计了8种实验工况

实验过程中实时记录距射频针0.5cm、1.0cm、1.5cm处的温度值及消融时间

确定氮气压力、射频功率、冷却方式对消融效果的影响。实验结果表明:气冷射频针能显著延长射频消融时间

提高射频针外围的温度

温度提高幅度、消融时间均与氮气压力正相关;同样工况下

间断冷却比先冷时各点温度稍高

消融时间稍长

但并无显著性差异;30W功率时的各点温度均显著高于对应的45W功率时的温度

常温氮气节流后产生的冷量不足以有效延长45W以上功率时的消融时间。

Abstract

Eight types of experimental conditions were designed to test the performance of the self-made gas J-T cooling radiofrequency probe and evaluate its feasibility and efficacy.The temperatures which were 0.5cm

1.0cm

1.5cm away from the wall of RF probe and the ablation time were recorded in real time to evaluate the effects of nitrogen pressure

RF power and cooling mode on the results of RFA.The results indicated that the gas J-T cooling RF probe could significantly prolong the ablation time and create the hig...

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Related Institution

Key Laboratory of Refrigeration Technology of Tianjin, Tianjin University of Commerce

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北京工业大学制冷与低温工程系

[1]西安交通大学,西安710049 [2]天津商学院

University of Shanghai for science and Technology

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