Calculation of the optimum tightness value in a multilayer cylinder

1974 ◽  
Vol 10 (5) ◽  
pp. 407-408
Author(s):  
P. G. Pimshtein
Keyword(s):  
Cryogenics ◽  
1996 ◽  
Vol 36 (7) ◽  
pp. 497-506 ◽  
Author(s):  
T. Sasaki ◽  
I. Itoh

2011 ◽  
Vol 279 ◽  
pp. 356-360
Author(s):  
Yu Li

A general temperature calculation method of axisymmetric multilayer cylinder was deduced according to the axisymmetric heat conduction of cylinder. Four types of combined boundary conditions were summarized, and temperature computational formulas of axisymmetrical monolayer cylinder were formed under each type. The intermediate interface temperatures and radial stresses of axisymmetrical multilayer cylinder satisfy tridiagonal linear system of eouations, which can be solved with pursuit method. The calculation method is applied universally. Meanwhile, the corresponding calculating program was developed.


2020 ◽  
Vol 70 (2) ◽  
pp. 166-170
Author(s):  
T. Bizhigitov ◽  
◽  
A. Yelibayeva ◽  

This pioneering study investigated the partial derivatives of the dependence of the compression modulus of ice-six on pressure and temperature, and the coefficient of volume expansion on the temperature at high pressure and low temperature. Ice six is documented on the phase diagram between the pressures 600 and 2000 MPa and between the temperatures 110 and 330 K. The pressure and temperature dependence of the all-round compression module was practically implemented in a multilayer cylinder-piston vessel. The change in the relative volume of the sample was measured using a transducer which converts linear translational motion into electrical pulses. The pressure of the sample was measured by measuring the electrical resistance of tin and gallium conductors and phase transition points of polymorphic ice modifications. The temperature of this ice-six modification was determined by a graduated copperconstantan thermocouple. Moreover, in this paper, the Debye characteristic temperatures of ice-six and the Gruneisen constant are estimated.


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