Sijing Sun, Qingxuan Wang, Saqlain Raza, Dengke Ma, Tsuneyoshi Nakayama, Jun Liu, Jun Zhou
{"title":"Theoretical analysis of thermal conductivities of water and heavy water based on thermal resistance network model","authors":"Sijing Sun, Qingxuan Wang, Saqlain Raza, Dengke Ma, Tsuneyoshi Nakayama, Jun Liu, Jun Zhou","doi":"10.1063/5.0239480","DOIUrl":null,"url":null,"abstract":"Thermal conductivity of liquid water is distinct from that of ordinary liquids due to its complex hydrogen bonding network. In this study, we develop the thermal resistance network model, supplemented by molecular dynamics simulations, to calculate the thermal conductivities of water and heavy water over a temperature range of 275–375 and 300–375 K, respectively. The thermal conductivities of both water and heavy water are computed at various temperatures and pressures, and the results provide agreement with experimental data. Furthermore, it is pointed out that our model offers an interpretation of thermal conductivity based on heat paths among water clusters rather than the traditional vibrational modes.","PeriodicalId":8094,"journal":{"name":"Applied Physics Letters","volume":"95 1","pages":""},"PeriodicalIF":3.5000,"publicationDate":"2025-01-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Applied Physics Letters","FirstCategoryId":"101","ListUrlMain":"https://doi.org/10.1063/5.0239480","RegionNum":2,"RegionCategory":"物理与天体物理","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q2","JCRName":"PHYSICS, APPLIED","Score":null,"Total":0}
引用次数: 0
Abstract
Thermal conductivity of liquid water is distinct from that of ordinary liquids due to its complex hydrogen bonding network. In this study, we develop the thermal resistance network model, supplemented by molecular dynamics simulations, to calculate the thermal conductivities of water and heavy water over a temperature range of 275–375 and 300–375 K, respectively. The thermal conductivities of both water and heavy water are computed at various temperatures and pressures, and the results provide agreement with experimental data. Furthermore, it is pointed out that our model offers an interpretation of thermal conductivity based on heat paths among water clusters rather than the traditional vibrational modes.
期刊介绍：
Applied Physics Letters (APL) features concise, up-to-date reports on significant new findings in applied physics. Emphasizing rapid dissemination of key data and new physical insights, APL offers prompt publication of new experimental and theoretical papers reporting applications of physics phenomena to all branches of science, engineering, and modern technology.
In addition to regular articles, the journal also publishes invited Fast Track, Perspectives, and in-depth Editorials which report on cutting-edge areas in applied physics.
APL Perspectives are forward-looking invited letters which highlight recent developments or discoveries. Emphasis is placed on very recent developments, potentially disruptive technologies, open questions and possible solutions. They also include a mini-roadmap detailing where the community should direct efforts in order for the phenomena to be viable for application and the challenges associated with meeting that performance threshold. Perspectives are characterized by personal viewpoints and opinions of recognized experts in the field.
Fast Track articles are invited original research articles that report results that are particularly novel and important or provide a significant advancement in an emerging field. Because of the urgency and scientific importance of the work, the peer review process is accelerated. If, during the review process, it becomes apparent that the paper does not meet the Fast Track criterion, it is returned to a normal track.
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