On the basis of our previous studies in the flow modeling of rarefied gas between coaxial cylinders under different temperature and kinematic boundary conditions, the energy transfer in the system of gas - surrounding cylinders is studied in the radius pulsating of one of the cylinders. The energy transfer is modeled with continuous model based on Navier-Stokes-Fourier equations of motion and a statistical DSMC model. The obtained results show that the external mechanical disturbances in the radial direction influence more significantly the operation of the Pirani gauge when there is a difference in the temperature of the thread and the wall of the outer cylinder. These results make it possible to assess the gauge sensitivity under external mechanical disturbances.
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24 October 2019
APPLICATION OF MATHEMATICS IN TECHNICAL AND NATURAL SCIENCES: 11th International Conference for Promoting the Application of Mathematics in Technical and Natural Sciences - AMiTaNS’19
20–25 June 2019
Albena, Bulgaria
Research Article|
October 24 2019
Rarefied gas between two coaxial cylinders - Transient heat transfer: The effect of pulsating radial motion of the outer cylinder. Acoustic waves modeling
P. Gospodinov;
P. Gospodinov
a)
Institute of Mechanics, Bulgarian Academy of Sciences
, Acad. G. Bonchev str., bl. 4, 1113 Sofia, Bulgaria
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D. Dankov;
D. Dankov
b)
Institute of Mechanics, Bulgarian Academy of Sciences
, Acad. G. Bonchev str., bl. 4, 1113 Sofia, Bulgaria
b)Corresponding author: [email protected]
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V. Roussinov;
V. Roussinov
c)
Institute of Mechanics, Bulgarian Academy of Sciences
, Acad. G. Bonchev str., bl. 4, 1113 Sofia, Bulgaria
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M. Mironova
M. Mironova
d)
Institute of Mechanics, Bulgarian Academy of Sciences
, Acad. G. Bonchev str., bl. 4, 1113 Sofia, Bulgaria
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b)Corresponding author: [email protected]
AIP Conf. Proc. 2164, 090001 (2019)
Citation
P. Gospodinov, D. Dankov, V. Roussinov, M. Mironova; Rarefied gas between two coaxial cylinders - Transient heat transfer: The effect of pulsating radial motion of the outer cylinder. Acoustic waves modeling. AIP Conf. Proc. 24 October 2019; 2164 (1): 090001. https://doi.org/10.1063/1.5130831
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