scholarly journals Prediksi Kegagalan Statis Pipa Saluran Uap (Vapor Line) Akibat Tekanan Kerja

2019 ◽  
Vol 7 (3) ◽  
pp. 291-298
Author(s):  
Darmanto Darmanto ◽  
◽  
Fathur Adi Alfiansyah ◽  
Keyword(s):  
2010 ◽  
Vol 26 (2) ◽  
pp. 157-163 ◽  
Author(s):  
T.-S. Leu ◽  
N.-J. Huang ◽  
C.-T. Wang

AbstractThis study discusses the components' geometry and its effect on the capability of heat transmission and pressure drop because of its evident influence on the performance of micro capillary pumped loop (MCPL). On analyzing the dimensional effect on heat transmission and pressure gradient of MCPL device, some results were yielded and addressed as follows: The vapor line was the most important factor among the components of MCPL in heat transmission and pressure drop. Furthermore, the depth of vapor line was the main parameter because of its drastic effect. In addition, at depth of vapor line, hv, ranging from 20 μm to 150 μm, the amount of heat transferred for system will increase, but decrease the pressure drop. However, for hv larger than 150 μm, the heat transfer and pressure drop both will reach a limit. A new family of geometrical dimensions of MCPL possessing an excellent heat flux of 178 W/cm2 would be obtained. These findings will be useful in designing a better MCPL.


2016 ◽  
Author(s):  
Nina N. Lavrentieva ◽  
Anna S. Dudaryonok ◽  
Oleg S. Osipov

1973 ◽  
Vol 51 (18) ◽  
pp. 1971-1977 ◽  
Author(s):  
J. W. Mactaggart ◽  
J. De Remigis ◽  
H. L. Welsh

The profiles of the quadrupole-induced transitions (S1(0), S1(1)) of the pressure-induced fundamental infrared absorption band of hydrogen are studied in H2–Ar, H2–Kr, and H2–Xe gas mixtures up to high densities a few degrees above the critical temperature of the rare gas and in the corresponding liquid mixtures along the liquid–vapor line. The half-width δq of the transitions remains practically constant for the gas mixtures up to densities of several hundred amagat and then decreases rapidly. Values of δq for the liquid mixtures, when corrected for the temperature difference, are the same as the gas values at the same density. The narrowing of the transitions in the high-density region is interpreted in terms of the diffusional narrowing theory of Zaidi and Van Kranendonk, and is used to calculate diffusion coefficients D12 of H2 molecules in dense rare gas fluids. The results are in reasonable agreement with values of D12 previously deduced from the intercollisional interference effect in the overlap-induced components (Q1(0), Q1(1)) of the same band.


Sign in / Sign up

Export Citation Format

Share Document