FLOW SEPARATION AND TEMPERATURE CONTROL IN U- SHAPE TUBE BY USING DBD PLASMA ACTUATOR

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KHANIAN SOHRAB; REZAZADEH NIKI

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Paper Information

Journal: Modares Mechanical Engineering Year:2016 | Volume:15 | Issue:11 Page(s): 151-161

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Information Journal Paper

Title

FLOW SEPARATION AND TEMPERATURE CONTROL IN U- SHAPE TUBE BY USING DBD PLASMA ACTUATOR

Author(s)

KHANIAN SOHRAB | REZAZADEH NIKI | Issue Writer Certificate

Keywords

PLASMA ACTUATOR DBDQ2

FLOW SEPARATIONQ2

SURFACE TEMPERATUREQ2

TIME DEPENDENT SOLUTIONQ2

ACTIVE FLOW CONTROLQ2

Abstract

In flows with high Reynolds inside the U-shaped tubes, separation phenomenon occurs in the curvature of tubes causing pressure loss and in conditions associated with heat transfer undesirable increase SURFACE TEMPERATURE in that region is noted. Due to reduced heat transfer rate from surface to fluid temperature increase occurs in industrial applications in addition to reduced heat transfer which causes damage to surface pipes. In the present study, elimination of the separation zone through body force created by plasma actuators and because it reduces the maximum temperature occurred in this region and changes the Peclet number is simulation in this region. For this purpose, the plasma actuators5kV, 12kV and 19kV with square voltage function inside U-shaped tube in the three streams with Reynolds 3000,4500 and 6000 have been placed to influence actuators on separation control, and maximum temperature occurred at this point be investigated. Calculations using proposed model of Suzen with time-dependent numerical procedure has been done. And results during time performance of 0 to 50 have been reported. The result shows that maximum SURFACE TEMPERATURE that occurs in the region of separation in the presence of plasma actuator near this region has a significant reduction thatis due to the elimination and change separation region.

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APA: Copy

KHANIAN, SOHRAB, & REZAZADEH, NIKI. (2016). FLOW SEPARATION AND TEMPERATURE CONTROL IN U- SHAPE TUBE BY USING DBD PLASMA ACTUATOR. MODARES MECHANICAL ENGINEERING, 15(11), 151-161. SID. https://sid.ir/paper/177760/en

Vancouver: Copy

KHANIAN SOHRAB, REZAZADEH NIKI. FLOW SEPARATION AND TEMPERATURE CONTROL IN U- SHAPE TUBE BY USING DBD PLASMA ACTUATOR. MODARES MECHANICAL ENGINEERING[Internet]. 2016;15(11):151-161. Available from: https://sid.ir/paper/177760/en

IEEE: Copy

SOHRAB KHANIAN, and NIKI REZAZADEH, “FLOW SEPARATION AND TEMPERATURE CONTROL IN U- SHAPE TUBE BY USING DBD PLASMA ACTUATOR,” MODARES MECHANICAL ENGINEERING, vol. 15, no. 11, pp. 151–161, 2016, [Online]. Available: https://sid.ir/paper/177760/en

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