{"id":7791,"date":"2026-02-02T13:59:25","date_gmt":"2026-02-02T18:59:25","guid":{"rendered":"https:\/\/spraysensors.tecnar.com\/development-and-experimental-validation-of-a-high-power-conical-rf-icp-torch-for-advanced-material-processing\/"},"modified":"2026-02-02T13:59:25","modified_gmt":"2026-02-02T18:59:25","slug":"development-and-experimental-validation-of-a-high-power-conical-rf-icp-torch-for-advanced-material-processing","status":"publish","type":"post","link":"https:\/\/spraysensors.tecnar.com\/fr\/development-and-experimental-validation-of-a-high-power-conical-rf-icp-torch-for-advanced-material-processing\/","title":{"rendered":"Development And Experimental Validation Of A High-Power Conical RF-ICP Torch For Advanced Material Processing"},"content":{"rendered":"<p>Radio-frequency inductively coupled plasma (RF-ICP) torches are widely used for high-temperature powder processing; however, conventional cylindrical designs distribute RF energy over a broad volume, resulting in low power density, high argon consumption, and non-uniform particle heating. This study presents the design, fabrication, and experimental validation of a high-power conical RF-ICP torch developed to address these limitations. A two-dimensional axisymmetric magneto-hydrodynamic model was implemented in ANSYS Fluent to optimize torch geometry and operating parameters. Model predictions were validated on a 13.56 MHz, 20 kW experimental platform using DPV-2000 particle diagnostics and cooling-water energy-balance measurements.<br \/>\nCompared with a benchmark cylindrical torch, the conical configuration achieved a 13% higher volumetric power density and extended the axial high-temperature zone by 27%, indicating enhanced plasma confinement. At 10 kW and an outer-gas flow rate of 50 L\u00b7min\u22121, measured particle temperatures and velocities (2300\u20133000 K; 29\u201365 m\u00b7s\u22121) showed good agreement with simulations. The conical torch generated an axial jet velocity of approximately 77 m\u00b7s\u22121 and increased particle residence time by about 70%, enabling efficient spheroidization. The torch demonstrated 25\u201350% lower gas consumption confirming the suitability of the conical RF-ICP torch for industrial-scale material processing applications.<\/p>\n<p><a class=\"btn-tec black\" href=\"https:\/\/www.sciencedirect.com\/science\/article\/abs\/pii\/S1359431126000797\" target=\"_blank\" rel=\"noopener\">Link to publication<\/a><\/p>\n<p><em><small>Originally published at\u00a0Applied Thermal Engineering (Volume 289, Part 2, March 2026)<br \/>\nBy Ali Ebrahimi, Sina Alavi, and Javad Mostaghimi<\/small><\/em><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Radio-frequency inductively coupled plasma (RF-ICP) torches are widely used for high-temperature powder processing; however, conventional cylindrical designs distribute RF energy [&#8230;]<\/p>\n<p><a class=\"btn btn-secondary understrap-read-more-link\" href=\"https:\/\/spraysensors.tecnar.com\/fr\/development-and-experimental-validation-of-a-high-power-conical-rf-icp-torch-for-advanced-material-processing\/\">Read More&#8230;<\/a><\/p>\n","protected":false},"author":22,"featured_media":7789,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[55],"tags":[],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v24.2 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Development And Experimental Validation Of A High-Power Conical RF-ICP Torch For Advanced Material Processing - Tecnar Thermal Spray<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/spraysensors.tecnar.com\/fr\/development-and-experimental-validation-of-a-high-power-conical-rf-icp-torch-for-advanced-material-processing\/\" 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