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Journal of Computational and Applied Research in Mechanical Engineering - JCARME، جلد ۱۰، شماره ۱، صفحات ۲۵۷-۲۶۹
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عنوان انگلیسی Experimental study and numerical simulation of three dimensional two phase impinging jet flow using anisotropic turbulence model
چکیده انگلیسی مقاله Hydrodynamic of a turbulent impinging jet on a flat plate has been studied experimentally and numerically. Experiments were conducted for the Reynolds number range of 72000 to 102000 and a fixed jet-to-plate dimensionless distance of H/d=3.5. Based on the experimental setup, a multi-phase numerical model was simulated to predict flow properties of impinging jets using two turbulent models. Mesh-independency of the numerical model was studied to ensure the preciseness of results. Numerical and experimental forces on the target plate were compared to examine performance of turbulent models and wall functions. As a result, the force obtained by the Reynolds stress turbulent model alongside with non-equilibrium wall function was in good agreement with the experiment. The correlation equations were obtained for predicting the water thickness over the target plate and impingement force versus Reynolds number. It was also indicated that the maximum shear stress on the target plate was located at radial dimensionless distance of r/d=0.75.
کلیدواژه‌های انگلیسی مقاله Impinging jet, Anisotropy turbulence, Wall function, Two-phase flow
نویسندگان مقاله Hamid Reza Nazif |
Department of Mechanical Engineering, Imam Khomeini International University, Qazvin, Iran

نشانی اینترنتی https://jcarme.sru.ac.ir/article_902_ad60a1d42c5a310b2935f1131c4ac96c.pdf
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