Adjustable partial body cryotherapy

Alexey V. Shakurov

Refrigeration Technology ›› 2023, Vol. 112 ›› Issue (1) : 49 -52.

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Refrigeration Technology ›› 2023, Vol. 112 ›› Issue (1) : 49 -52. DOI: 10.17816/RF609501
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Adjustable partial body cryotherapy

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Abstract

Based on an analysis of the technical level of equipment utilized in cryotherapy, the issue of increasing the dosing accuracy and, accordingly, ensuring accurate and uniform cooling of a biological object was identified, which required research into the issues of controlled cooling. A software for predicting the result of cryotherapy has been developed, and a range of rational parameters for supplying gas to the cabin of the installation has been determined when performing controlled cryotherapy (i.e., from 40 to 70 g/s and from −140℃ to −160℃). An experimental model of a new type of installation, which enables cryotherapy to be conducted with changes in the main parameters of the equipment in operation in a wide range of cooling gas flow temperatures from −50℃ to −160℃, free-flow velocity from 0.1 to 2 m/s, and cryotherapy time up to 420 s, has been developed and implemented. The experimental model, together with the prediction software, forms a complex system for research and controlled implementation of cryotherapy in a wide range of operating parameters. Algorithms for implementing regulated modes for various biological objects and purposes of exposure have been developed and recommendations have been provided, enabling the practical application of the proposed concept.

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сryotherapy / cryostimulation / regulation / concept

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Alexey V. Shakurov. Adjustable partial body cryotherapy. Refrigeration Technology, 2023, 112(1): 49-52 DOI:10.17816/RF609501

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References

[1]

Voronov VA, Kolishkin LM, Shakurov AV, et al. Experimental evaluation of partial body cryotherapy unit with gas supply regulation. IIR. 2023;155:105–113. doi: 10.1016/j.ijrefrig.2023.08.001

[2]

Voronov V.A., Kolishkin L.M., Shakurov A.V., et al. Experimental evaluation of partial body cryotherapy unit with gas supply regulation // IIR. 2023. Vol. 155. P. 105–113. doi: 10.1016/j.ijrefrig.2023.08.001

[3]

Burkov IA, Kolishkin LM, Pushkarev AV, et al. Experimental and computational thermal analysis of partial-body cryotherapy. Int. J. Heat Mass Transf. 2022;183(4):122194. doi: 10.1016/j.ijheatmasstransfer.2021.122194

[4]

Burkov I.A., Kolishkin L.M., Pushkarev A.V., et al. Experimental and computational thermal analysis of partial-body cryotherapy // International Journal of Heat and Mass Transfer. 2022. Vol. 183, N 4. P. 122194. doi: 10.1016/j.ijheatmasstransfer.2021.122194

[5]

Shakurov AV, Kolyshkin LM. Study of operating modes of a cryogenic spray mixing gasifier with adjustable capacity. Khimicheskoe i neftegazovoe mashinostroenie. 2023;2:19–23. (In Russ). doi: 10.1007/s10556-023-01217-1

[6]

Шакуров А.В., Колышкин Л.М. Исследование режимов работы криогенного распылительного смесительного газификатора с регулируемой производительностью // Химическое и нефтегазовое машиностроение. 2023. № 2. C.19–23. doi: 10.1007/s10556-023-01217-1

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