Heat Inleak along the Neck of Liquid Nitrogen Containers
Measurements have been made of the temperature profile along the stainless steel neck of a 25 litre commercial dewar for the storage of liquid nitrogen. The temperature profile of the boundary layer of the effluent gas was also measured. The major heat inleak into the liquid nitrogen bath is due...
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1985
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my.upm.eprints.23852013-05-27T07:00:44Z http://psasir.upm.edu.my/id/eprint/2385/ Heat Inleak along the Neck of Liquid Nitrogen Containers Shaari, Abdul Halim Measurements have been made of the temperature profile along the stainless steel neck of a 25 litre commercial dewar for the storage of liquid nitrogen. The temperature profile of the boundary layer of the effluent gas was also measured. The major heat inleak into the liquid nitrogen bath is due to the sold heat conduction down the neck wall and to the vapour recirculation process. These two sources contributed about 80% of the total heat inleak. The solid heat conduction was due to the fact that the neck was short and as such the refrigerative value of the cold effluent gas was not fully utilised. The vapour recirculation process is due to the reverse mass flux of the warmer gas into the bath. 1985 Article PeerReviewed application/pdf en http://psasir.upm.edu.my/id/eprint/2385/1/Heat_Inleak_along_the_Neck_of.pdf Shaari, Abdul Halim (1985) Heat Inleak along the Neck of Liquid Nitrogen Containers. Pertanika, 8 (1). pp. 33-42. English |
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| description |
Measurements have been made of the temperature profile along the stainless steel neck of a 25
litre commercial dewar for the storage of liquid nitrogen. The temperature profile of the boundary
layer of the effluent gas was also measured. The major heat inleak into the liquid nitrogen bath is due
to the sold heat conduction down the neck wall and to the vapour recirculation process. These two
sources contributed about 80% of the total heat inleak. The solid heat conduction was due to the fact
that the neck was short and as such the refrigerative value of the cold effluent gas was not fully utilised.
The vapour recirculation process is due to the reverse mass flux of the warmer gas into the bath. |
| format |
Article |
| author |
Shaari, Abdul Halim |
| spellingShingle |
Shaari, Abdul Halim Heat Inleak along the Neck of Liquid Nitrogen Containers |
| author_facet |
Shaari, Abdul Halim |
| author_sort |
Shaari, Abdul Halim |
| title |
Heat Inleak along the Neck of Liquid Nitrogen Containers |
| title_short |
Heat Inleak along the Neck of Liquid Nitrogen Containers |
| title_full |
Heat Inleak along the Neck of Liquid Nitrogen Containers |
| title_fullStr |
Heat Inleak along the Neck of Liquid Nitrogen Containers |
| title_full_unstemmed |
Heat Inleak along the Neck of Liquid Nitrogen Containers |
| title_sort |
heat inleak along the neck of liquid nitrogen containers |
| publishDate |
1985 |
| url |
http://psasir.upm.edu.my/id/eprint/2385/1/Heat_Inleak_along_the_Neck_of.pdf http://psasir.upm.edu.my/id/eprint/2385/ |
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