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Showing results 1 to 12 of 12 Search took 0.00 seconds. Search: Posts Made By: shaman

Forum: CFX October 27, 2016, 07:31

Replies: 16 Segregated heat transfer between 2 model Views: 1,081 Posted By shaman Heat transfer htc and temp mapping should be... Heat transfer htc and temp mapping should be formality.....

Forum: CFX October 27, 2016, 07:31

Replies: 16 Segregated heat transfer between 2 model Views: 1,081 Posted By shaman Thnks uros... in fact i have prepared the tbulk... Thnks uros... in fact i have prepared the tbulk in expert parameter as 321.... and also as pipe outer wall only as temp value too and solving... wil check the variance between them

Forum: CFX October 26, 2016, 08:46

Replies: 16 Segregated heat transfer between 2 model Views: 1,081 Posted By shaman But pipe temperature is also a function of heat... But pipe temperature is also a function of heat transfer via coil internal superheated steam.. So supposing my pipe starts of at 321c and increases due to extrrnal htc... is it correvt tobset tbulk...

Forum: CFX October 26, 2016, 07:47

Replies: 16 Segregated heat transfer between 2 model Views: 1,081 Posted By shaman It really is not possible as the steam curcuit is... It really is not possible as the steam curcuit is about 36mil cells including near wall to better capture htc..s I am runnibg iawps-97 steam.. so memory very demanding close to 110gb

Forum: CFX October 26, 2016, 07:45

Replies: 16 Segregated heat transfer between 2 model Views: 1,081 Posted By shaman U mention t-bulk.. what value shud i use... U mention t-bulk.. what value shud i use...

Forum: CFX October 26, 2016, 07:45

Replies: 16 Segregated heat transfer between 2 model Views: 1,081 Posted By shaman Hi uros... i did consider htc .. but htc require... Hi uros... i did consider htc .. but htc require surrounding temp which is quite high in the without coil run since no heat transfer unto coil via steam. Also htc might not capture radiated heat...

Forum: CFX October 25, 2016, 00:02

Replies: 16 Segregated heat transfer between 2 model Views: 1,081 Posted By shaman Do i still use guessed temp at tube od wall to... Do i still use guessed temp at tube od wall to obtain heat flux...

Forum: CFX October 25, 2016, 00:01

Replies: 16 Segregated heat transfer between 2 model Views: 1,081 Posted By shaman For now its just the tube outer dia wall only as... For now its just the tube outer dia wall only as the tube is not modeled... tube with internal steam circuit in another model. Plan is to extract heat flux from this ongoing flue model as BC for the...

Forum: CFX October 24, 2016, 21:05

Replies: 16 Segregated heat transfer between 2 model Views: 1,081 Posted By shaman Hi glen.. long time no hear... u r right that the... Hi glen.. long time no hear... u r right that the tube should have a defined temp.... but then again i do not know what the tube temp as it is dependent on the heat transfer within the steam carrying...

Forum: CFX October 23, 2016, 23:36

Replies: 16 Segregated heat transfer between 2 model Views: 1,081 Posted By shaman To capture heat flux from portion 2.. the wall is... To capture heat flux from portion 2.. the wall is adiabatic. The corresponding result than used as in flux for portion 2... Is this right....

Forum: CFX October 23, 2016, 23:34

Replies: 16 Segregated heat transfer between 2 model Views: 1,081 Posted By shaman Portion 1 has flue and coil tube external wall. ... Portion 1 has flue and coil tube external wall. Portion 2 has coiltube and steam circuit only. I plan to use wall heat flux from portion 2 as input to portion 1.

Forum: CFX October 23, 2016, 23:31

Replies: 16 Segregated heat transfer between 2 model Views: 1,081 Posted By shaman Segregated heat transfer between 2 model My furnance model have superheater coils running superheated steam. The potential heat transfer is from flue gas to solid coil then to steam. My model is too big so i divide into 2 portion.

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