{"title":"碳化物和氮化物纳米流体的热物理性质","authors":"W. Ajeeb, S. Murshed","doi":"10.53375/icmame.2023.419","DOIUrl":null,"url":null,"abstract":"The total performance of a heat exchanger system is significantly influenced by the thermophysical (TP) characteristics of the used thermal fluids and especially for thermal nanofluids due to their complex design. In this study, three key TP characteristics for instance the density, specific heat capacity and the dynamic viscosity of a carbide and nitride thermal nanofluids, namely Silicon Carbide (SiC) and Boron Nitride (BN) based thermal nanofluids are experimentally and theoretically investigated. These thermal nanofluids are produced for four very low particle concentrations from 0.01 to 0.04 vol.% dispersed into ethylene glycol/water (EG/DW) mixture. The results indicate that these thermal nanofluids have higher density and dynamic viscosity in comparison with their conventional base fluid (EG/DW) and they increase with increasing concentration of the nanoparticles. The maximum increase in dynamic viscosity of 4.1% at 0.04 vol.% was found. On the other hand, the specific heat capacity of these thermal nanofluids insignificantly decreased with the increasing of nanoparticles concentration in comparison with the conventional base fluid.","PeriodicalId":385901,"journal":{"name":"ICMAME 2023 Conference Proceedings","volume":"35 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":"{\"title\":\"Thermophysical Properties of Carbide and Nitride Nanofluids\",\"authors\":\"W. Ajeeb, S. Murshed\",\"doi\":\"10.53375/icmame.2023.419\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"The total performance of a heat exchanger system is significantly influenced by the thermophysical (TP) characteristics of the used thermal fluids and especially for thermal nanofluids due to their complex design. In this study, three key TP characteristics for instance the density, specific heat capacity and the dynamic viscosity of a carbide and nitride thermal nanofluids, namely Silicon Carbide (SiC) and Boron Nitride (BN) based thermal nanofluids are experimentally and theoretically investigated. These thermal nanofluids are produced for four very low particle concentrations from 0.01 to 0.04 vol.% dispersed into ethylene glycol/water (EG/DW) mixture. The results indicate that these thermal nanofluids have higher density and dynamic viscosity in comparison with their conventional base fluid (EG/DW) and they increase with increasing concentration of the nanoparticles. The maximum increase in dynamic viscosity of 4.1% at 0.04 vol.% was found. On the other hand, the specific heat capacity of these thermal nanofluids insignificantly decreased with the increasing of nanoparticles concentration in comparison with the conventional base fluid.\",\"PeriodicalId\":385901,\"journal\":{\"name\":\"ICMAME 2023 Conference Proceedings\",\"volume\":\"35 1\",\"pages\":\"0\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"1900-01-01\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"0\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"ICMAME 2023 Conference Proceedings\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.53375/icmame.2023.419\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"ICMAME 2023 Conference Proceedings","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.53375/icmame.2023.419","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
Thermophysical Properties of Carbide and Nitride Nanofluids
The total performance of a heat exchanger system is significantly influenced by the thermophysical (TP) characteristics of the used thermal fluids and especially for thermal nanofluids due to their complex design. In this study, three key TP characteristics for instance the density, specific heat capacity and the dynamic viscosity of a carbide and nitride thermal nanofluids, namely Silicon Carbide (SiC) and Boron Nitride (BN) based thermal nanofluids are experimentally and theoretically investigated. These thermal nanofluids are produced for four very low particle concentrations from 0.01 to 0.04 vol.% dispersed into ethylene glycol/water (EG/DW) mixture. The results indicate that these thermal nanofluids have higher density and dynamic viscosity in comparison with their conventional base fluid (EG/DW) and they increase with increasing concentration of the nanoparticles. The maximum increase in dynamic viscosity of 4.1% at 0.04 vol.% was found. On the other hand, the specific heat capacity of these thermal nanofluids insignificantly decreased with the increasing of nanoparticles concentration in comparison with the conventional base fluid.