Effects of Nonuniform Passages on Deepfold Heat Exchanger PerformanceSource: Journal of Engineering for Gas Turbines and Power:;1977:;volume( 099 ):;issue: 004::page 657Author:J. R. Mondt
DOI: 10.1115/1.3446564Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: To realize the maximum convective transfer of heat or mass, the fins in a plate-fin type heat exchanger must be exactly spaced for an unsupported length at least eight times the fin spacing. Manufacturing tolerances cause imperfect fin spacing and fin shape. These imperfections have been statistically modeled as either nonuniform fin spacing or “bulginess.” By statistically combining nonuniform fin spacing and bulginess into a unique “total channel deviation” parameter, convective transfer penalties and flow pressure drop gains can be predicted. Predictions are supported by experimental measurements.
keyword(s): Heat exchangers , Fins , Pressure drop , Shapes , Flow (Dynamics) , Heat , Channels (Hydraulic engineering) , Measurement AND Manufacturing ,
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| contributor author | J. R. Mondt | |
| date accessioned | 2017-05-08T23:02:41Z | |
| date available | 2017-05-08T23:02:41Z | |
| date copyright | October, 1977 | |
| date issued | 1977 | |
| identifier issn | 1528-8919 | |
| identifier other | JETPEZ-26736#657_1.pdf | |
| identifier uri | http://yetl.yabesh.ir/yetl/handle/yetl/89762 | |
| description abstract | To realize the maximum convective transfer of heat or mass, the fins in a plate-fin type heat exchanger must be exactly spaced for an unsupported length at least eight times the fin spacing. Manufacturing tolerances cause imperfect fin spacing and fin shape. These imperfections have been statistically modeled as either nonuniform fin spacing or “bulginess.” By statistically combining nonuniform fin spacing and bulginess into a unique “total channel deviation” parameter, convective transfer penalties and flow pressure drop gains can be predicted. Predictions are supported by experimental measurements. | |
| publisher | The American Society of Mechanical Engineers (ASME) | |
| title | Effects of Nonuniform Passages on Deepfold Heat Exchanger Performance | |
| type | Journal Paper | |
| journal volume | 99 | |
| journal issue | 4 | |
| journal title | Journal of Engineering for Gas Turbines and Power | |
| identifier doi | 10.1115/1.3446564 | |
| journal fristpage | 657 | |
| journal lastpage | 663 | |
| identifier eissn | 0742-4795 | |
| keywords | Heat exchangers | |
| keywords | Fins | |
| keywords | Pressure drop | |
| keywords | Shapes | |
| keywords | Flow (Dynamics) | |
| keywords | Heat | |
| keywords | Channels (Hydraulic engineering) | |
| keywords | Measurement AND Manufacturing | |
| tree | Journal of Engineering for Gas Turbines and Power:;1977:;volume( 099 ):;issue: 004 | |
| contenttype | Fulltext |