| High Heat Flux Burnout in Subcooled Flow Boiling |
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| 引用本文： | G.P.Celata M.Cumo 等. High Heat Flux Burnout in Subcooled Flow Boiling[J]. 热科学学报(英文版), 1995, 4(3): 151-161. DOI: 10.1007/BF02650822 |
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| 作者姓名： | G.P.Celata M.Cumo 等 |
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| 作者单位： | ENEA Energy Department，Via Anguillarese，301 I-00060 S.M. Galeria，Rome，Italy |
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| 摘 要： | ＨｉｇｈＨｅａｔＦｌｕｘＢｕｒｎｏｕｔｉｎＳｕｂｃｏｏｌｅｄＦｌｏｗＢｏｉｌｉｎｇＧ．Ｐ．Ｃｅｌａｔａ；Ｍ．Ｃｕｍｏ；Ａ．Ｍａｒｉａｎｉ（ＥＮＥＡＥｎｅｒｇｙＤｅｐａｒｔｍｅｎｔ，ＶｉａＡｎｇｕｉｌｌａｒｅｓｅ，３０１Ｉ－０００６０Ｓ．Ｍ．Ｇａｌｅｒ...
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| 关 键 词： | 过冷流沸腾 高热流 聚变反应堆 熄火 |
High heat flux burnout in subcooled flow boiling |
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| G. P. Celata,M. Cumo,A. Mariani. High heat flux burnout in subcooled flow boiling[J]. Journal of Thermal Science, 1995, 4(3): 151-161. DOI: 10.1007/BF02650822 |
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| Authors: | G. P. Celata M. Cumo A. Mariani |
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| Affiliation: | (1) ENEA Energy Department, Via Anguillarese, 301, I-00060 S.M. Galeria Rome, Italy |
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| Abstract: | The paper reports the results of an experimental research carried out at the Heat Transfer Division of the Energy Department, C.R. Casaccia, on the thermal hydraulic characterization of subcooled flow boiling CHF under typical conditions of thermonuclear fusion reactors, i.e. high liquid velocity and subcooling. The experiment was carried out exploring the following parameters: channel diameter (from 2.5 to 8.0 mm), heated length (10 and 15 cm), liquid velocity (from 2 to 40 m/s), exit pressure (from atmospheric to 5.0 MPa), inlet temperature (from 30 to 80 °C), channel orientation (vertical and horizontal). A maximum CHF value of 60.6 MW/m2 has been obtained under the following conditions:T in=30°,p=2.5 MPa,u=40 m/s,D=2.5 mm (smooth channel) Turbulence promoters (helically coiled wires) have been employed to further enhance the CHF attainable with subcooled flow boiling. Helically coiled wires allow an increase of 50% of the maximum CHF obtained with smooth channels. |
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| Keywords: | subcooled flow boiling high heat flux fusion reactor burnout. |
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