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Issues regarding HTRI5.0 calculations

2009-05-12View Original

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This post was last edited by kevinchen1018 on 2009-5-13 at 15:31. I would like to ask the experts here, especially those who are familiar with HTRI. I’m just starting to work with this software, and I have a question: When I use the material property parameters available in HTRI, are the calculations conducted using these parameters accurate? Also, in HTRI, there are two options for representing water’s properties: IAPWS1997 and Previous HTRI. Which one should generally be used? Also, why does the total result obtained by me, when I only enter parameters such as pressure, temperature, and flow rate instead of the Weight fraction vapour, differ from the results obtained by others? Is it a problem with choosing the HTRI material properties? I’m using version D of HTRI 5.0, thank you!
Reply #22009-05-13
Actually, it should be posted in the “Heat Exchange Calculation Simulation Area”. Hydraulic separation Previous HTRI. Weight fraction vapor is the mass ratio of gas in the material. If no value is entered, HTRI calculates it based on a fully liquid condition. Therefore, as long as there are gases in the material, their proportion (by mass) must be indicated here.
Reply #32009-05-13
I calculated an example yesterday and uploaded it; there’s also one calculation done by a foreigner. I’m wondering why such a big difference exists – could you help me analyze it? Thank you
Reply #42009-05-13
During my studies, I encountered the same problem as well
Reply #52009-05-14
I’ve encountered the same problem; I think it’s mainly due to differences in the input of physical properties
Reply #62009-05-16
It would be good to have an expert Q&A section on the forum. But since the forum already provides us with a lot of knowledge, it’s a bit greedy of us to ask for more
Reply #72009-05-16
Where did you send the example? I can’t see it!
Reply #82009-05-20
It would be fine to create an expert Q&A group; however, the forum already provides us with a lot of knowledge
Reply #92009-05-20
Let’s create a dedicated section; this forum should have some experts in this field
Reply #102009-05-23
I calculated an example yesterday and uploaded it; there’s also one calculation done by a foreigner. I’m wondering why such a big difference exists – could you help me analyze it? Thank you, gbg9773. Posted on 2009-5-13 15:38. Where did you upload the example? I can’t see it! It’s not possible to load files related to this area; thank you
Reply #112011-01-04
The HTRI5.0 calculation fails to be performed; I’m not sure which data field hasn’t been filled in – it’s difficult to learn this! It would be great to have an explanation or Q&A platform so we can understand it quickly!

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