On the Temperature Distribution in a Circular Contact Reaction Tube.

1941 ◽  
Vol 44 (289) ◽  
pp. 281
Author(s):  
Sugao SUGAWARA ◽  
Teizo KONDO
Keyword(s):  
Temperature Distribution ◽  
Contact Reaction ◽  
Reaction Tube ◽  
Circular Contact

scholarly journals Effects of Axial Temperature Distribution of Reaction Tube Wall on Thermal Craking of Propane

1968 ◽  
Vol 71 (1) ◽  
pp. 73-77
Author(s):  
Sachio SUGIYAMA ◽  
Masanobu HASATANI ◽  
Eiju ISHIDA ◽  
Toshiteru KAWAZU ◽  
Masahiko MIZUNO
Keyword(s):  
Temperature Distribution ◽  
Tube Wall ◽  
Reaction Tube ◽  
Axial Temperature

On the Theoretical Analysis of a Dynamic Thermocouple: 2—The Continuous Area Interface

1960 ◽  
Vol 27 (2) ◽  
pp. 259-262 ◽  
Author(s):  
W. F. Hughes ◽  
E. W. Gaylord
Keyword(s):  
Temperature Distribution ◽  
Contact Area ◽  
Radial Symmetry ◽  
Dissimilar Metals ◽  
Nonuniform Temperature ◽  
Circular Area ◽  
Numerical Examples ◽  
Continuous Contact ◽  
Dynamic Thermocouple ◽  
Circular Contact

The dynamic thermocouple formed by the moving junctions of two dissimilar metals is analyzed for the case of two semi-infinite bodies of dissimilar metals having continuous contact and nonuniform temperature distribution over a circular area. A procedure is given for determining the potential measured by the thermocouple leads placed in the two respective bodies at an infinite distance away from the contact area in terms of the Seebeck emf corresponding to the contact-area temperature distribution. This thermocouple potential at infinity is solved completely for a circular contact area, and numerical examples are given for the case of radial symmetry. It is found that the potential at infinity is not in general equal to the area average Seebeck emf. Instead, it is shown that the potential at infinity is equal to the average Seebeck emf weighted by the area divided by its distance from the perimeter of the circle. This result together with comparison with the results of a previous paper leads to the conclusion that the temperature near the perimeter of a contact area has a greater influence on the thermocouple emf than the temperature in the interior of the contact area.

Three-Dimensional Temperature Distribution in EHD Lubrication: Part I—Circular Contact

1992 ◽  
Vol 114 (1) ◽  
pp. 32-41 ◽  
Author(s):  
Kyung Hoon Kim ◽  
Farshid Sadeghi
Keyword(s):  
Temperature Distribution ◽  
Film Thickness ◽  
Temperature Rise ◽  
Thermal Effects ◽  
Three Dimensional ◽  
Elastohydrodynamic Lubrication ◽  
Simultaneous System ◽  
Ehd Lubrication ◽  
Energy Equations ◽  
Circular Contact

A complete numerical solution of Newtonian thermal compressible elastohydrodynamic lubrication of rolling/sliding point (circular) contact has been obtained. The multilevel multigrid technique was used to solve the simultaneous system of thermal Reynolds, elasticity and the energy equations with their boundary conditions. The effects of various loads, speeds, and slip conditions on the lubricant temperature, film thickness, and friction force have been investigated. The results indicate that the temperature rise in the contact is significant and thermal effects cannot be neglected.

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