Estimation of heat flux in array of jets quenching using experimental and inverse finite element method |
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| Authors: | Ashok Kumar Nallathambi Eckehard Specht |
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| Affiliation: | 1. Otto von Guericke University Magdeburg, Germany;2. SWISS STEEL, Switzerland;1. Department of Mechanical Engineering, College of Technology and Engineering, Maharana Pratap University of Agriculture and Technology, Udaipur 313001, Rajasthan, India;2. Department of Mechanical and Industrial Engineering, Indian Institute of Technology Roorkee, Roorkee 247667, Uttranchal, India;3. Reactor Safety Division, Bhabha Atomic Research Centre, Mumbai 400085, India;1. Key Laboratory of Ocean Energy Utilization and Energy Conservation of Ministry of Education, School of Energy and Power Engineering, Dalian University of Technology, Dalian 116024, China;2. Purdue University Boiling and Two-Phase Flow Laboratory (PU-BTPFL), School of Mechanical Engineering, 585 Purdue Mall, West Lafayette, IN 47907, USA |
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| Abstract: | This work presents the combined experimental and numerical technique to estimate the heat flux in the metal quenching process by array of jets. Experimental techniques are explained for the measurement of temperature. A two-dimensional inverse heat conduction problem (IHCP) is solved through the Ling et al. Ling, X., Keanini, R.G., Cherukuri, H.P., 2003. A non-iterative finite element method for inverse heat conduction problems. International Journal for Numerical Methods in Engineering 56 (9), 1315–1334] non-iterative finite element method (FEM) using the experimental temperature data. Wetting front which separates the film boiling and nucleate boiling zone, changes the order of the heat flux. Maximum heat flux position and its propagation velocity are plotted as a function of time. It is demonstrated that increase in water velocity decreases the maximum heat flux and delays the wetting front movement. |
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