{"title":"Refrigerant-oil mixtures boiling in a planar confined space","authors":"Ch. Marvillet, R. de Carvahlo","doi":"10.1016/0890-4332(94)90053-1","DOIUrl":"10.1016/0890-4332(94)90053-1","url":null,"abstract":"<div><p>In the frame of the JOULE 1 R&D programme of the Commission of the European Communities a project has been carried out on enhanced evaporation heat transfer surfaces. A specific investigation has been realised on refrigerant oil mixtures boiling in a planar confined space.</p><p>An experimental investigation of the boiling phenomenon in the confined space between a 30 mm wide × 120 mm high, heated plate and an opposing, adiabatic plate was carried out. The heated surface was made of a copper-aluminium-nickel alloy (Ra = 1 micrometer) and a saturated R-113/SUNISO 3GS oil mixture at atmospheric pressure was used as the boiling fluid.</p><p>The maximum heat flux tested was approximately 90% of CHF. The parameters investigated were the gap size (1–5 mm) and the oil concentration (1–7% by weight). It was again observed that confinement does not improve the nucleate boiling performance of pure R-113 in any significant way, whereas the CHF decreases with decreasing gap size. In addition, while the presence of oil was observed to have only a relatively minor effect on low flux nucleate boiling, it caused a serious degradation of the high flux boiling performance. This deterioration increased with increasing oil concentration and was more severe for smaller gap sizes. However, for a given gap size, the CHF increased with increasing oil concentration accompanied by increasingly larger surface superheats.</p></div>","PeriodicalId":100603,"journal":{"name":"Heat Recovery Systems and CHP","volume":"14 5","pages":"Pages 507-515"},"PeriodicalIF":0.0,"publicationDate":"1994-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/0890-4332(94)90053-1","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"78164385","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}
{"title":"Compact heat exchangers: A review of current equipment and R&D in the field","authors":"D.A. Reay","doi":"10.1016/0890-4332(94)90050-7","DOIUrl":"10.1016/0890-4332(94)90050-7","url":null,"abstract":"<div><p>The use of compact heat exchangers for both single- and two-phase applications in the process industries is being actively encouraged. In this paper the benefits of compact heat exchangers, as well as their limitations, will be briefly reviewed; followed by a description of a number of types of compact heat exchanger, some well-established and others relative newcomers to the market.</p></div>","PeriodicalId":100603,"journal":{"name":"Heat Recovery Systems and CHP","volume":"14 5","pages":"Pages 459-474"},"PeriodicalIF":0.0,"publicationDate":"1994-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/0890-4332(94)90050-7","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"79654209","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}
R. Mertz , M. Groll , Ch. Marvillet , J.E. Hesselgreaves
{"title":"Enhanced static evaporation heat transfer surfaces for compact two-phase heat exchangers","authors":"R. Mertz , M. Groll , Ch. Marvillet , J.E. Hesselgreaves","doi":"10.1016/0890-4332(94)90052-3","DOIUrl":"10.1016/0890-4332(94)90052-3","url":null,"abstract":"<div><p>In the frame of the JOULE 1 R&D programme of the Commission of the European Communities this project has been carried out on enhanced evaporation heat transfer surfaces. The main goal of the project was to develop and investigate enhanced evaporation heat transfer surfaces for industrial compact two-phase heat exchangers. Planar and tubular surfaces have been investigated by IKE (structured planar and tubular surfaces), GRETh (covered planar surfaces) and NEL (covered tubular surfaces).</p></div>","PeriodicalId":100603,"journal":{"name":"Heat Recovery Systems and CHP","volume":"14 5","pages":"Pages 493-506"},"PeriodicalIF":0.0,"publicationDate":"1994-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/0890-4332(94)90052-3","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"84845030","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}
{"title":"Industrial plate evaporators","authors":"Jan Hellström","doi":"10.1016/0890-4332(94)90057-4","DOIUrl":"10.1016/0890-4332(94)90057-4","url":null,"abstract":"<div><p>For many years plate evaporators have been used for a wide range of applications, such as fruit juice evaporation, desalination aboard ships, refrigerants and smaller industrial applications. None of these plate evaporator are suitable for larger industrial evaporation duties. This paper gives the background for the development and testing of a large industrial evaporator.</p></div>","PeriodicalId":100603,"journal":{"name":"Heat Recovery Systems and CHP","volume":"14 5","pages":"Pages 549-554"},"PeriodicalIF":0.0,"publicationDate":"1994-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/0890-4332(94)90057-4","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"72574656","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}
{"title":"International symposium on two-phase flow modelling and experimentation","authors":"","doi":"10.1016/0890-4332(94)90061-2","DOIUrl":"https://doi.org/10.1016/0890-4332(94)90061-2","url":null,"abstract":"","PeriodicalId":100603,"journal":{"name":"Heat Recovery Systems and CHP","volume":"14 5","pages":"Page 575"},"PeriodicalIF":0.0,"publicationDate":"1994-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/0890-4332(94)90061-2","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"137010472","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"AIChE annual meeting","authors":"","doi":"10.1016/0890-4332(94)90060-4","DOIUrl":"https://doi.org/10.1016/0890-4332(94)90060-4","url":null,"abstract":"","PeriodicalId":100603,"journal":{"name":"Heat Recovery Systems and CHP","volume":"14 5","pages":"Page 575"},"PeriodicalIF":0.0,"publicationDate":"1994-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/0890-4332(94)90060-4","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"137010473","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Dropwise condensation of steam on ion implanted condenser surfaces","authors":"Q. Zhao , B.M. Burnside","doi":"10.1016/0890-4332(94)90055-8","DOIUrl":"10.1016/0890-4332(94)90055-8","url":null,"abstract":"<div><p>Modern developments in surface treatment which reduce the energy of condensing surfaces and hence allow permanent, reliable dropwise condensation are described. The work has been carried out in China since 1984 by various methods, concluding with the patented Activated Reactive-Magnetron Sputtering Ion Plating (ARE-MSIP) technique. Successful application of this technique to coating brass and 70Cu: 30Ni white copper condenser tubes is described and the performance of a vertical 800 tube bundle in an industrial condenser is recounted. The overall U-value of this condenser at 2–3 m/s<sup>−1</sup> cooling water velocities has remained at 6–8 kW m<sup>−2</sup> K<sup>−1</sup> from its installation, in October 1989, to the present day. The paper concludes with an account of recent work aimed at improving the thermal conductivity and adherence of “dropwise” polymer films by ion implantation and methods of reducing the cost of the ARE-MSIP surface coating technique. Dropwise condensation seems unlikely to find a place in compact heat exchanger designs, but the development of surface treatment methods offers great possibilities in reducing corrosion and erosion and in inhibiting fouling.</p></div>","PeriodicalId":100603,"journal":{"name":"Heat Recovery Systems and CHP","volume":"14 5","pages":"Pages 525-534"},"PeriodicalIF":0.0,"publicationDate":"1994-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/0890-4332(94)90055-8","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"91330206","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}
{"title":"European commission assistance for heat pump technology transfer: A “concerted action activity”","authors":"","doi":"10.1016/0890-4332(94)90064-7","DOIUrl":"https://doi.org/10.1016/0890-4332(94)90064-7","url":null,"abstract":"","PeriodicalId":100603,"journal":{"name":"Heat Recovery Systems and CHP","volume":"14 5","pages":"Pages 577-579"},"PeriodicalIF":0.0,"publicationDate":"1994-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/0890-4332(94)90064-7","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"136470404","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Process intensification: Heat transfer characteristics of tailored rotating surfaces","authors":"R.J.J. Jachuck, C. Ramshaw","doi":"10.1016/0890-4332(94)90051-5","DOIUrl":"10.1016/0890-4332(94)90051-5","url":null,"abstract":"<div><p>Convective heat transfer characteristics of four discs, each with a different surface configuration, have been experimentally studied. Water has been used as the test fluid and tests have been carried out for various flow rates and rotational speeds (250–890 r.p.m.). Average heat transfer coefficient as high as 16 kWm<sup>−2</sup>K<sup>−1</sup> has been obtained and it has been shown that significant enhancements can be achieved by using grooved discs.</p></div>","PeriodicalId":100603,"journal":{"name":"Heat Recovery Systems and CHP","volume":"14 5","pages":"Pages 475-491"},"PeriodicalIF":0.0,"publicationDate":"1994-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/0890-4332(94)90051-5","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"77024493","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}
{"title":"1994 Energy world yearbook published","authors":"","doi":"10.1016/0890-4332(94)90063-9","DOIUrl":"https://doi.org/10.1016/0890-4332(94)90063-9","url":null,"abstract":"","PeriodicalId":100603,"journal":{"name":"Heat Recovery Systems and CHP","volume":"14 5","pages":"Pages 576-577"},"PeriodicalIF":0.0,"publicationDate":"1994-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/0890-4332(94)90063-9","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"136470403","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}