World Academy of Science, Engineering and Technology, International Journal of Nuclear and Quantum Engineering最新文献

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Condensation of Vapor in the Presence of Non-Condensable Gas on a Vertical Tube 垂直管内有不可冷凝气体时蒸汽的冷凝
Sheng-jun Zhang, Xu Cheng, F. Shen
{"title":"Condensation of Vapor in the Presence of Non-Condensable Gas on a Vertical Tube","authors":"Sheng-jun Zhang, Xu Cheng, F. Shen","doi":"10.20944/PREPRINTS201805.0098.V1","DOIUrl":"https://doi.org/10.20944/PREPRINTS201805.0098.V1","url":null,"abstract":"According to the operation conditions of time unlimited passive containment heat removal system(TUPAC), a separate effect experiment facility was established to investigate the heat transfer performance of steam condensation in presence of non-condensable gas. The effect of wall subcooling temperature, total pressure and mass fraction of the air on heat transfer process was analyzed. The heat transfer model was also developed. The results showed that the heat transfer coefficient decreased with the rising of subcooling temperature, the decreasing of the total pressure and air mass fraction. It was revealed that Dehbi’s correlation predicted the heat transfer coefficient conservatively, especially in the low pressure and low temperature region. The novel correlation was fitted by the data obtained in the following range: 0.20~0.45 MPa in pressure, 20% ~ 80% in mass fraction, 15°C ~ 45°C in temperature. The discrepancy of the correlation and experiment data was with ±20%.","PeriodicalId":437101,"journal":{"name":"World Academy of Science, Engineering and Technology, International Journal of Nuclear and Quantum Engineering","volume":"153 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2017-05-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116726241","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
Mechanistic Studies of Compacted and Sintered Rock Salt 压实和烧结岩盐的机理研究
C. Swanson, S. Böhme, J. Günster
{"title":"Mechanistic Studies of Compacted and Sintered Rock Salt","authors":"C. Swanson, S. Böhme, J. Günster","doi":"10.1002/9781119323303.CH14","DOIUrl":"https://doi.org/10.1002/9781119323303.CH14","url":null,"abstract":"","PeriodicalId":437101,"journal":{"name":"World Academy of Science, Engineering and Technology, International Journal of Nuclear and Quantum Engineering","volume":"2 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2016-09-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129206867","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Investigation of the Morphology and Optical Properties of CuAlO₂ Thin Film CuAlO 2薄膜的形貌和光学性质研究
T. Aminu, A. Salisu, B. Abdu, H. U. Alhassan, T. Dharma
{"title":"Investigation of the Morphology and Optical Properties of CuAlO₂ Thin Film","authors":"T. Aminu, A. Salisu, B. Abdu, H. U. Alhassan, T. Dharma","doi":"10.20474/japs-3.1.3","DOIUrl":"https://doi.org/10.20474/japs-3.1.3","url":null,"abstract":"","PeriodicalId":437101,"journal":{"name":"World Academy of Science, Engineering and Technology, International Journal of Nuclear and Quantum Engineering","volume":"87 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2016-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"132223198","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Investigation of the Effects of Plaster on Radiation Doses Given to Patients 石膏对病人放射剂量影响的研究
O. Karaman, A. Tanir
{"title":"Investigation of the Effects of Plaster on Radiation Doses Given to Patients","authors":"O. Karaman, A. Tanir","doi":"10.3906/FIZ-1401-15","DOIUrl":"https://doi.org/10.3906/FIZ-1401-15","url":null,"abstract":"The purpose of this investigation is to measure the total attenuation coefficients (TACs) of plaster materials using different geometries of the plaster, field sizes, and photon beam energies. The percent depth dose measurements were made using X-rays at 6 MV and 18 MV from the linear accelerator in order to plan the probable radiation dose to be given to the patient wearing a plaster cast. The TAC was experimentally determined in solid phantoms of various thicknesses both with and without plaster over areas of 5 x 5 cm2, 10 x 10 cm2, and 15 x 15 cm2. The experimentally measured TAC for plaster was compared to that of the NIST program. The TAC of solid phantom with plaster was found to be larger than without plaster. This means that dmax is very close to the skin and that in these situations plaster has a bolus effect, increasing the skin's dose.","PeriodicalId":437101,"journal":{"name":"World Academy of Science, Engineering and Technology, International Journal of Nuclear and Quantum Engineering","volume":"30 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2015-03-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116098684","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 2
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