全身低温刺激:室内热致伤场的新见解

IF 2.1 Q2 ENGINEERING, MULTIDISCIPLINARY Inventions Pub Date : 2023-06-24 DOI:10.3390/inventions8040081
R. Elfahem, B. Abbès, B. Bouchet, S. Murer, F. Bogard, Tala Moussa, F. Beaumont, G. Polidori
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引用次数: 1

摘要

(1) 背景:本文提出了一项研究,旨在准确了解全身冷冻刺激(WBC)室内的温度分布,无论是空的还是由一个人或几个人占据;(2) 方法:本研究采用数值和实验相结合的方法,利用简化计算流体动力学(CFD)模拟和实验分析;(3) 结果:结果表明,冷冻室中间的设定值和实际温度之间存在不可忽略的温差。此外,研究表明,室内个体的存在会导致平均温度上升和与存在个体数量相关的更不均匀的热行为。随着冷冻室内居住人数的增加,热梯度(高达10°C)和温度不均匀性(高达13%)的大小也会增加;(4) 结论:研究结果表明,当冷冻室由三个人占据时,有必要延长冷暴露的持续时间,以获得与只有一个人在场时相当的剂量/效果比和镇痛阈值。这项研究的结果强调了进一步研究的必要性,以建立有效WBC治疗的温度指南和标准化测量方法。
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Whole-Body Cryostimulation: New Insights in Thermo-Aeraulic Fields inside Chambers
(1) Background: This article presents a study that aims to provide a precise understanding of the temperature distribution within a whole-body cryostimulation (WBC) chamber, whether it is empty or occupied by one or several individuals; (2) Methods: The study employs a mixed numerical and experimental approach, utilizing simplified computational fluid dynamics (CFD) simulations and experimental analysis; (3) Results: The results reveal a non-negligible temperature difference between the setpoint and actual temperature in the middle of the cryochamber. Furthermore, it is shown that the presence of individuals inside the chamber results in both an average temperature rise and a more heterogeneous thermal behavior associated with the number of individuals present. As the number of occupants in the cryochamber increases, the magnitude of the thermal gradient (up to 10 °C) and temperature heterogeneity (up to 13%) also increase; (4) Conclusions: The results suggest that when the cryotherapy chamber is occupied by three people, it becomes necessary to extend the duration of cold exposure to obtain a dose/effect ratio and analgesic threshold equivalent to those obtained when only one person is present. The findings of this study emphasize the need for further research to establish temperature guidelines and standardize measurement methods for effective WBC treatment.
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来源期刊
Inventions
Inventions Engineering-Engineering (all)
CiteScore
4.80
自引率
11.80%
发文量
91
审稿时长
12 weeks
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