AN INVESTIGATION OF HIGHLY TURBULENT FLOW HEAT TRANSFER ENHANCEMENT THROUGH MODIFIED TWISTED TAPE INSERTS AND NANOFLUIDS (CASE STUDY)

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VAZIFESHENAS YOUSEF; YOUSEFI GELOURD REZA; RAHIMI SEYYED ESMAEIL

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Journal Paper

Paper Information

Journal: Journal of Water and Environmental Nanotechnology Year:2017 | Volume:2 | Issue:3 Page(s): 195-205

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Title

AN INVESTIGATION OF HIGHLY TURBULENT FLOW HEAT TRANSFER ENHANCEMENT THROUGH MODIFIED TWISTED TAPE INSERTS AND NANOFLUIDS (CASE STUDY)

Author(s)

VAZIFESHENAS YOUSEF | YOUSEFI GELOURD REZA | RAHIMI SEYYED ESMAEIL | Issue Writer Certificate

Keywords

FRICTION FACTOR

NUSSELT NUMBER

REYNOLDS NUMBER

TWISTED TAPE

NANO-FLUID

Abstract

Power plants are of great influential industries to the environment which could be studied in many ways. Since the optimum equipment would consume less fuel, the issue is mainly interested to those who are concerned about the environmental effects. Amongst various methods, utilizing TWISTED TAPEs inserts which are of passive type is interested in this effort. Although numerous types of tapes are widely utilized, modifying the tape configuration according to the flow specification is still interested. So here the centercleared and perforated tapes are considered to be compared against the typical type. The 3D numerical simulation of finite volume method was applied to cover the flow field of the problem. The RNG k-e turbulence model was responsible for the turbulent behavior of the flow and its circular trend. In order to develop the performance of the optimum tape performance, AL2O3 nanoparticles of different volume concentrations were added to the base fluid. The results showed that the Nu number was enhanced about 22% by using merely the center-cleared 14cm, while the FRICTION FACTOR was increased about 13%. To develop these amounts for the optimum configuration, adding nanoparticles of 0.1% concentration put and increment of 26% for heat transfer.

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APA: Copy

VAZIFESHENAS, YOUSEF, YOUSEFI GELOURD, REZA, & RAHIMI, SEYYED ESMAEIL. (2017). AN INVESTIGATION OF HIGHLY TURBULENT FLOW HEAT TRANSFER ENHANCEMENT THROUGH MODIFIED TWISTED TAPE INSERTS AND NANOFLUIDS (CASE STUDY). JOURNAL OF WATER AND ENVIRONMENTAL NANOTECHNOLOGY, 2(3), 195-205. SID. https://sid.ir/paper/335404/en

Vancouver: Copy

VAZIFESHENAS YOUSEF, YOUSEFI GELOURD REZA, RAHIMI SEYYED ESMAEIL. AN INVESTIGATION OF HIGHLY TURBULENT FLOW HEAT TRANSFER ENHANCEMENT THROUGH MODIFIED TWISTED TAPE INSERTS AND NANOFLUIDS (CASE STUDY). JOURNAL OF WATER AND ENVIRONMENTAL NANOTECHNOLOGY[Internet]. 2017;2(3):195-205. Available from: https://sid.ir/paper/335404/en

IEEE: Copy

YOUSEF VAZIFESHENAS, REZA YOUSEFI GELOURD, and SEYYED ESMAEIL RAHIMI, “AN INVESTIGATION OF HIGHLY TURBULENT FLOW HEAT TRANSFER ENHANCEMENT THROUGH MODIFIED TWISTED TAPE INSERTS AND NANOFLUIDS (CASE STUDY),” JOURNAL OF WATER AND ENVIRONMENTAL NANOTECHNOLOGY, vol. 2, no. 3, pp. 195–205, 2017, [Online]. Available: https://sid.ir/paper/335404/en

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