Good morning everyone;
How can I calculate the liquid Nitrogen Evaporation Rate (NER) in creyogenic tank?
Thank you
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Posted 06 October 2020 - 05:44 AM
Good morning everyone;
How can I calculate the liquid Nitrogen Evaporation Rate (NER) in creyogenic tank?
Thank you
Posted 06 October 2020 - 06:36 AM
Hello Souria ,
To me you should consult the supplier of cryogenic tank . For example consider the Chart's brochure in the link
underneath . It has to do with the quality of insulation of the tank.
http://files.chartin...BulkCatalog.pdf
Hope this is helping you
Breizh
Edited by breizh, 06 October 2020 - 06:59 AM.
Posted 08 October 2020 - 03:06 PM
This value usually isn't calculated by the end user when you buy a new vacuum jacketed vessel. If you have an existing vacuum jacketed tank that is getting old, you will have to monitor the level (or weight if possible) over time and calculate the average loss over time. I've seen this be more of an issue for the portable vacuum jacketed tanks that are used in labs.
Posted 29 October 2020 - 01:00 AM
Good morning everyone;
How can I calculate the liquid Nitrogen Evaporation Rate (NER) in creyogenic tank?
Thank you
If you plan to do this from first principles, then this paper offers guidance:
https://www.ijedr.or...JEDR1501040.pdf
BTW - this turned up for me by web search.
If you've got plant data or a mass & energy balance with sufficient detail, you could work up an empirical basis and then scale it to the use case that you're interested in.
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