http://scholars.ntou.edu.tw/handle/123456789/21069
DC 欄位 | 值 | 語言 |
---|---|---|
dc.contributor.author | Chen, Han-Taw | en_US |
dc.contributor.author | You, Cheng-Hui | en_US |
dc.contributor.author | Hsu, Wei-Lun | en_US |
dc.contributor.author | Chang, Jiang-Ren | en_US |
dc.date.accessioned | 2022-03-07T02:16:58Z | - |
dc.date.available | 2022-03-07T02:16:58Z | - |
dc.date.issued | 2021-01-01 | - |
dc.identifier.issn | 1023-2796 | - |
dc.identifier.uri | http://scholars.ntou.edu.tw/handle/123456789/21069 | - |
dc.description.abstract | The inverse heat conduction method (IHCM) and three-dimensional (3D) computational fluid dynamic (CFD) in combination with T-k(m) are used to select the appropriate flow model and near-wall treatment for the mixed convection of the annular finned tube heat exchanger. Thus, the numerical results obtained by all k-epsilon models and near-wall treatments are yielded for 4 m/s <= V-a <= 5 m/s. First, IHCM combined with T-k(m) is applied to estimate (h) over bar and Q values. The obtained estimates of (h) over bar and Q are used as reference values for CFD. The results show that the T-k and (h) over bar results obtained by the standard (STD) k-epsilon model with the standard wall function (SWF) are closer to T-k(m) and the estimates of (h) over bar than those by the realizable (REAL) and RNG k-epsilon models with various wall functions for V-a of 4-5 m/s. The (h) over bar value obtained from the STD k-epsilon model with SWF, V-a = 5 m/s and S = 15 mm may be 1.14 times that of the RNG k-epsilon model and 0.48 times that of the REAL k-epsilon model. The (h) over bar value of the RNG k-epsilon model with SWF is about 1.6-1.7 times that with EWT for S = 5 mm and V-a = 4 m/s and 5 m/s. These differences mean that the appropriate flow model needs to be varied with V-a to obtain more accurate numerical results. The y(+) of RNG and STD k-epsilon models does not exceed 3. However, the y(+) of the REAL k-epsilon model exceeds 6. To our best knowledge, no studies have explored this issue and the present investigation tries to bridge this gap. | en_US |
dc.language.iso | English | en_US |
dc.publisher | NATL TAIWAN OCEAN UNIV | en_US |
dc.relation.ispartof | JOURNAL OF MARINE SCIENCE AND TECHNOLOGY-TAIWAN | en_US |
dc.subject | CFD and IHCM | en_US |
dc.subject | Mixed convection | en_US |
dc.subject | Flow model | en_US |
dc.subject | Heat exchanger | en_US |
dc.title | Using the Inverse Method to Investigate Flow Models for Mixed Convection of Annular Finned Tube Heat Exchanger | en_US |
dc.type | journal article | en_US |
dc.identifier.doi | 10.51400/2709-6998.2467 | - |
dc.identifier.isi | WOS:000756531200006 | - |
dc.relation.journalvolume | 29 | en_US |
dc.relation.journalissue | 5 | en_US |
dc.relation.pages | 652-665 | en_US |
item.cerifentitytype | Publications | - |
item.grantfulltext | none | - |
item.openairetype | journal article | - |
item.openairecristype | http://purl.org/coar/resource_type/c_6501 | - |
item.fulltext | no fulltext | - |
item.languageiso639-1 | English | - |
crisitem.author.dept | Department of Systems Engineering and Naval Architecture | - |
crisitem.author.dept | College of Engineering | - |
crisitem.author.dept | National Taiwan Ocean University,NTOU | - |
crisitem.author.dept | College of Engineering | - |
crisitem.author.dept | Department of Systems Engineering and Naval Architecture | - |
crisitem.author.dept | National Taiwan Ocean University,NTOU | - |
crisitem.author.orcid | 0000-0002-4551-5409 | - |
crisitem.author.parentorg | College of Engineering | - |
crisitem.author.parentorg | National Taiwan Ocean University,NTOU | - |
crisitem.author.parentorg | National Taiwan Ocean University,NTOU | - |
crisitem.author.parentorg | College of Engineering | - |
顯示於: | 系統工程暨造船學系 |
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