ANÁLISE EXPERIMENTAL DO GRADIENTE TÉRMICO EM AÇO ASTM A131 GR. EH36 SOB VAZAMENTO CRIOGÊNICO
ANÁLISE EXPERIMENTAL DO GRADIENTE TÉRMICO EM AÇO ASTM A131 GR. EH36 SOB VAZAMENTO CRIOGÊNICO
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DOI: https://doi.org/10.22533/at.ed.135162517033
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Palavras-chave: Gradiente Térmico; Vazamento Criogênico; Análise Numérica Transiente; Aço ASTM A131 Gr. EH36.
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Keywords: Thermal Gradient; Cryogenic Leak; Transient Numerical Analysis; ASTM A131 Gr. EH36 Steel.
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Abstract: This work presents a transient numerical and experimental analysis of the thermal effects resulting from accidental cryogenic leaks in structures made of ASTM A131 Gr. EH36 carbon steel, a material widely used in the naval industry. The experimental study consisted of determining the temperature gradient in an ASTM A131 Gr. EH36 steel plate, simulating accidental leak conditions in structural components employed in LNG (Liquefied Natural Gas) exploration. To replicate the cryogenic leak scenario, liquid nitrogen (LN2) was applied to the central region of the plate. The experimental test enabled the characterization of the thermal gradient profile, which was subsequently compared to the results of numerical analyses performed using a numerical model in ABAQUS® software. The developed transient computational model was calibrated to represent the thermal distribution induced by the cryogenic leak in ASTM A131 Gr. EH36 steel, showing good correlation with the experimental data obtained.
- Kaique Moreira Matos Magalhães
- Renato de Paula Santana Trindade
- Elder Alves Santos
- Armando Sá Ribeiro Júnior