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I'm studying the waste heat recovery unit. The existing unit use the exhaust gas from compressor (500 C) to heat the hot oil in the tube(200 C). When the compressor shut down, there is no exhaust gas to heat the hot oil but it still has a heat remaining in the system. Therefore, I want to know how to calculate the outlet temperature of the hot oil in case of using the heat remaining in the system.
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How To Calculate Outlet Temperature Of Waste Heat Recovery Unit
Started by polozzio, Nov 29 2013 02:36 AM
heat remaining calculation
4 replies to this topic
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#2
srfish
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Posted 29 November 2013 - 10:49 AM
The outlet temperature will not be constant over the cooling time. The temperature will gradually decrease.
#3
polozzio
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Posted 01 December 2013 - 09:51 PM
The outlet temperature will not be constant over the cooling time. The temperature will gradually decrease.
Thank you. But I want to estimate the decreasing rate. That's why I want to get some idea from this topic.
#4
thorium90
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Posted 01 December 2013 - 10:28 PM
A transient analysis like that would with a couple of assumptions yield ODEs to solve. If you need more accurate analysis, CFD would be the way to go.
#5
polozzio
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Posted 02 December 2013 - 01:02 AM
A transient analysis like that would with a couple of assumptions yield ODEs to solve. If you need more accurate analysis, CFD would be the way to go.
Thank you
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