Application of Improved Blocked-Off Method to Simulate the Interacting Influences of Obstacle Shape and Wall Velocity on the Turbulent Mixed Convection Flow in a Trapezoidal Cavity

سال انتشار: 1401
نوع سند: مقاله ژورنالی
زبان: انگلیسی
مشاهده: 113

فایل این مقاله در 11 صفحه با فرمت PDF قابل دریافت می باشد

استخراج به نرم افزارهای پژوهشی:

لینک ثابت به این مقاله:

شناسه ملی سند علمی:

JR_ADMTL-15-2_007

تاریخ نمایه سازی: 10 اسفند 1401

چکیده مقاله:

In the current research, interaction influences of obstacle shape and top wall velocity on the hydrothermal behaviours of the turbulent mixed convection flow in a trapezoidal cavity are numerically simulated. To achieve this goal, three different shapes of the obstacles including semicircular, triangular, rectangular are considered. Dimensions of these obstacles are chosen so that the environment around all three of them is same. The RNG  model is chosen to simulate the turbulent flow. To model the inclined or curved walls of trapezoidal cavity and obstacles, the improved blocked-off method is applied. Results show that the obstacle shape and top wall velocity have a significant influence on the thermal and hydrodynamic behaviours. In fact, the highest magnitude of heat transfer rate along the bottom wall occurs in the cavity with the rectangular obstacle and for the highest magnitude of top wall velocity; whilst its lowest magnitude is related to the pure free convection and for the cavity with the semicircular obstacle. Besides, the lowest and highest magnitudes of temperatures fields occur for the cavities with rectangular and triangular obstacles, respectively.

کلیدواژه ها:

نویسندگان

Meysam Atashafrooz

Department of Mechanical Engineering Sirjan University of Technology, Sirjan, Iran

مراجع و منابع این مقاله:

لیست زیر مراجع و منابع استفاده شده در این مقاله را نمایش می دهد. این مراجع به صورت کاملا ماشینی و بر اساس هوش مصنوعی استخراج شده اند و لذا ممکن است دارای اشکالاتی باشند که به مرور زمان دقت استخراج این محتوا افزایش می یابد. مراجعی که مقالات مربوط به آنها در سیویلیکا نمایه شده و پیدا شده اند، به خود مقاله لینک شده اند :
  • Yang, G., Huang, Y., Wu, J., Zhang, L., Chen, G., ...
  • Miroshnichenko, I. V., Sheremet, M. A., Radiation Effect on Conjugate ...
  • Mahmoodabadi, M. J., Mahmoodabadi, F., and Atashafrooz, M., Development of ...
  • Hegele, J. R, L. A., Scagliarini, A., Sbragaglia, M., Mattila, ...
  • Benyahia, N., Aksouh, M., Mataoui, A., and Oztop, H. F., ...
  • Sun, Y., Liu, Q., Cattafesta III, L. N., Ukeiley, L. ...
  • Wen, X., Wang, L. P., Guo, Z., and Zhakebayev, D. ...
  • Navarro, J. M. A., Hinojosa, J. F., and Piña-Ortiz, A., ...
  • Koufi, L., Younsi, Z., Cherif, Y., and Naji, H., Numerical ...
  • Miroshnichenko, I., Sheremet, M., and Chamkha, A.J., Turbulent Natural Convection ...
  • Huang, Y. Y., Yang, G., and Wu, J. Y., Large ...
  • Olazo-Gómez, Y., Xamán, J., Gijón-Rivera, M., Noh-Pat, F., Simá, E., ...
  • Rodrigues, F. A., De Lemos, M. J., Turbulent Flow and ...
  • Salari, M., Rashidi, M. M., Malekshah, E. H., and Malekshah, ...
  • Miroshnichenko, I. V., Sheremet, M. A., Turbulent Natural Convection Combined ...
  • Zhang, L., Huang, Y., Yang, G., and Wu, J., Numerical ...
  • Atashafrooz, M., Sajjadi, H., and Delouei, A. A., Interacting Influences ...
  • Fabregat, A., Pallarès, J., Heat Transfer and Boundary Layer Analyses ...
  • Wu, S., Yaras, M. I., Interaction of a Turbulent Spot ...
  • Atashafrooz, M., Gandjalikhan, Nassab S. A., and Lari, K., Numerical ...
  • Alinejad, J., Esfahani, J. A., Taguchi Design of Three-Dimensional Simulations ...
  • Kogawa, T., Chen, L., Okajima, J., Sakurai, A., Komiya, A., ...
  • Samantaray, D., Das, M. K., High Reynolds Number Incompressible Turbulent ...
  • Pinã-Ortiz, A., Hinojosa, J. F., and Hernández-López, I., Computational Fluid ...
  • Loksupapaiboon, K., Suvanjumrat, C., Assessment of Turbulence Models for Low ...
  • Lafdaili, Z., El-Hamdani, S., Bendou, A., Limam, K., and El-Hafad, ...
  • Promvonge, P., Heat Transfer and Pressure Drop in a Channel ...
  • Koolnapadol, N., Hoonpong, P., Skullong, S., Kammul, P., and Promvonge, ...
  • Fawaz, H. E., Badawy, M. T. S., Abd Rabbo, M. ...
  • Li, Z., Hussein, A. K., Younis, O., Afrand, M., and ...
  • Singh, S. K., Raushan, P. K., Debnath, K., and Mazumder, ...
  • Du, R., Gokulavani, P., Muthtamilselvan, M., Al-Amri, F., and Abdalla, ...
  • Levchenya, A. M., Smirnov, E. M., Smirnovsky, A. A., and ...
  • Farsani, R. Y., Mahmoudi, A., and Jahangiri, M., How a ...
  • Lee, J. R., Numerical Simulation of Natural Convection in a ...
  • Rahmati, A. R., Tahery, A. A., Numerical Study of Nanofluid ...
  • Bhattacharyya, S., Benim, A. C., Pathak, M., Chamoli, S., and ...
  • Mahmood, R., Bilal, S., Khan, I., Kousar, N., Seikh, A. ...
  • Kang, S., Khosronejad, A., and Yang, X., Turbulent Flow Characteristics ...
  • Banihashemi, S., Assari, M. R., Javadi, S., and Vahidifar, S., ...
  • Shahid, H., Yaqoob, I., Khan, W. A., and Aslam, M., ...
  • Saha, S., Numerical Simulation of Turbulent Airflow and Heat Transfer ...
  • Kareem, A. K., and Gao, S., Mixed Convection Heat Transfer ...
  • Motlagh, S. Y., and Sarvari, P., Large Eddy Simulation of ...
  • Barman, A., Dash, S. K., Effect of Obstacle Positions for ...
  • Menni, Y., Chamkha, A., Zidani, C., and Benyoucef, B., Baffle ...
  • Menni, Y., Azzi, A., and Chamkha, A.J., Computational Thermal Analysis ...
  • Menni, Y., Azzi, A., Chamkha, A. J., and Harmand, S., ...
  • Siba, M. A. A., and Jehhef, K. A., Numerical Study ...
  • Wang, J. Y., Hu, X. J., Application of RNG Turbulence ...
  • Koutsourakis, N., Bartzis, J. G., and Markatos, N. C., Evaluation ...
  • Zhao, X., Chen, Q., Inverse Design of Indoor Environment using ...
  • Zabihi, M., Lari, K., and Amiri, H., Comparison of the ...
  • Atashafrooz, M., Shafie, M., Analysis of Entropy Generation for Mixed ...
  • Atashafrooz, M., Gandjalikhan, Nassab S. A., and Ansari, A. B., ...
  • Atashafrooz, M., Gandjalikhan, Nassab S. A., and Ansari, B. A., ...
  • Atashafrooz, M., Gandjalikhan Nassab, S. A., and Sadat Behineh, E., ...
  • Geometrical Effects of Duct on the Entropy Generation in the Laminar Forced Convection Separated Flow [مقاله ژورنالی]
  • نمایش کامل مراجع