{"title":"一种新型金属氢化物热机","authors":"Kei Nomura, Yoshihiko Ishido, Shuichiro Ono","doi":"10.1016/0013-7480(79)90016-0","DOIUrl":null,"url":null,"abstract":"<div><p>A unique and compact prototype piston engine using LaNi<sub>5</sub>H<sub><em>x</em></sub> as an energy conversion medium, was developed.</p><p>It consists of two metal hydride containers, each having about 700 g (1.6 moles) of LaNi<sub>5</sub>H<sub><em>x</em></sub> powder, a cylinder and piston, and two electromagnetic valves which work and synchronize with the movement of the piston. When one of the containers was heated in a hot water bath (80°C) and the other was cooled down to 20°C, the piston was kept working by the hydrogen pressure difference of about 10 kg/cm<sup>2</sup> between them. On the average, 28 W of mechanical power output was generated for two minutes.</p><p>The theoretical conversion efficiency is 15.5%, and the roughly estimated experimental value is 7.7%.</p></div>","PeriodicalId":100466,"journal":{"name":"Energy Conversion","volume":"19 1","pages":"Pages 49-57"},"PeriodicalIF":0.0000,"publicationDate":"1979-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/0013-7480(79)90016-0","citationCount":"27","resultStr":"{\"title\":\"A novel thermal engine using metal hydride\",\"authors\":\"Kei Nomura, Yoshihiko Ishido, Shuichiro Ono\",\"doi\":\"10.1016/0013-7480(79)90016-0\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"<div><p>A unique and compact prototype piston engine using LaNi<sub>5</sub>H<sub><em>x</em></sub> as an energy conversion medium, was developed.</p><p>It consists of two metal hydride containers, each having about 700 g (1.6 moles) of LaNi<sub>5</sub>H<sub><em>x</em></sub> powder, a cylinder and piston, and two electromagnetic valves which work and synchronize with the movement of the piston. When one of the containers was heated in a hot water bath (80°C) and the other was cooled down to 20°C, the piston was kept working by the hydrogen pressure difference of about 10 kg/cm<sup>2</sup> between them. On the average, 28 W of mechanical power output was generated for two minutes.</p><p>The theoretical conversion efficiency is 15.5%, and the roughly estimated experimental value is 7.7%.</p></div>\",\"PeriodicalId\":100466,\"journal\":{\"name\":\"Energy Conversion\",\"volume\":\"19 1\",\"pages\":\"Pages 49-57\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"1979-01-01\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"https://sci-hub-pdf.com/10.1016/0013-7480(79)90016-0\",\"citationCount\":\"27\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"Energy Conversion\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://www.sciencedirect.com/science/article/pii/0013748079900160\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"Energy Conversion","FirstCategoryId":"1085","ListUrlMain":"https://www.sciencedirect.com/science/article/pii/0013748079900160","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
A unique and compact prototype piston engine using LaNi5Hx as an energy conversion medium, was developed.
It consists of two metal hydride containers, each having about 700 g (1.6 moles) of LaNi5Hx powder, a cylinder and piston, and two electromagnetic valves which work and synchronize with the movement of the piston. When one of the containers was heated in a hot water bath (80°C) and the other was cooled down to 20°C, the piston was kept working by the hydrogen pressure difference of about 10 kg/cm2 between them. On the average, 28 W of mechanical power output was generated for two minutes.
The theoretical conversion efficiency is 15.5%, and the roughly estimated experimental value is 7.7%.
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