EFFECT OF IMPINGEMENT OVEN FINGER DUCT SHAPE ON JETS VELOCITY
A point of concern when using air impingement ovens is the wide variation of heat transfer coefficient on the surface of a product.One of the main sources of nonuniformity is non-uniform air distribution of finger duct.Experimental and numerical simulation Results showed that for the desired jet velocity (10 m/s), the average jet velocity of nozzles increased along with finger duct of Oven from 8.8 m/s to its maximum value (13.9 m/s).The difference between maximum and minimum jet velocities was 58％.The horizontal components of velocity increased along with duct that result in higher flow divergence from nozzles exit and consequently lower heat transfer on a product surface.
impingement oven finger duct air velocity of jets
Salem Banooni Maysam Mollana
Department of Mechanical Engineering,Engineering Faculty,Shahid Chamran UniversityAhvaz,Khuzestan ,I Department of Mechanical Engineering,Engineering Faculty,Shahid Chamran University Ahvaz,Khuzestan ,
国际会议
The 7th Asia-Pacific Drying Conference(第七届亚太地区干燥会议 ADC2011)
天津
英文
1-4
2011-09-18（万方平台首次上网日期，不代表论文的发表时间）