A new approach to determining the specific heat of liquid metals at high temperatures by aerodynamic levitation | Research Square window.SnipcartSettings = { analytics: { enabled: false } }; (function() { var accessVector = localStorage.getItem('access_vector') || ''; window.dataLayer = window.dataLayer || []; if (accessVector) { window.dataLayer.push({ user: { profile: { profileInfo: { snid: accessVector } } } }); } })(); (function(w,d,s,l,i){w[l]=w[l]||[];w[l].push({'gtm.start':new Date().getTime(),event:'gtm.js'});var f=d.getElementsByTagName(s)[0],j=d.createElement(s),dl=l!='dataLayer'?'&l='+l:'';j.async=true;j.src='https://www.googletagmanager.com/gtm.js?id='+i+dl;f.parentNode.insertBefore(j,f);})(window,document,'script','dataLayer','GTM-K279D39R'); Browse Preprints In Review Journals COVID-19 Preprints AJE Video Bytes Research Tools Research Promotion AJE Professional Editing AJE Rubriq About Preprint Platform In Review Editorial Policies Our Team Advisory Board Help Center Sign In Submit a Preprint Cite Share Download PDF Research Article A new approach to determining the specific heat of liquid metals at high temperatures by aerodynamic levitation Maelenn Le Mener, Coline Bourges, Elodie Courtois, Thomas Pierre, and 1 more This is a preprint; it has not been peer reviewed by a journal. https://doi.org/ 10.21203/rs.3.rs-8019593/v1 This work is licensed under a CC BY 4.0 License Status: Published Journal Publication published 18 Nov, 2025 Read the published version in International Journal of Thermophysics → Version 1 posted 9 You are reading this latest preprint version Abstract Specific heat of liquid iron, nickel, and zirconium has been measured by a new kind of aerodynamic levitation facility. The heating is ensured by a laser and a three-color pyrometer has been developed to measure dynamically both temperature and absorptivity of the sample at laser wavelength. A heat balance on a temperature plateau allows to determine the heat losses, and the cooling is then used to determine the specific heat. This new method provides results for a large temperature range above the melting point and without the assumption of constant emissivity. Results are compared with data obtained by others contactless methods available in literature, and present good agreement. This original method offers the specific heat of iron between 2 000 K and 2 337 K. The specific heat of nickel is determined between 1 838 K and 2 162 K. The specific heat of liquid zirconium is measured between 2 283 K and 2 754 K. Proposed values complete or extend a very limited literature for these materials at the liquid state. specific heat aerodynamic levitation calorimetry absorptivity liquid metal Full Text Additional Declarations No competing interests reported. Cite Share Download PDF Status: Published Journal Publication published 18 Nov, 2025 Read the published version in International Journal of Thermophysics → Version 1 posted Editorial decision: Revision requested 04 Nov, 2025 Reviews received at journal 04 Nov, 2025 Reviewers agreed at journal 04 Nov, 2025 Reviews received at journal 04 Nov, 2025 Reviewers agreed at journal 04 Nov, 2025 Reviewers invited by journal 04 Nov, 2025 Editor assigned by journal 03 Nov, 2025 Submission checks completed at journal 03 Nov, 2025 First submitted to journal 03 Nov, 2025 You are reading this latest preprint version Research Square lets you share your work early, gain feedback from the community, and start making changes to your manuscript prior to peer review in a journal. As a division of Research Square Company, we’re committed to making research communication faster, fairer, and more useful. We do this by developing innovative software and high quality services for the global research community. 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