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Keywords: friction factor
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Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Thermal Sci. Eng. Appl. May 2024, 16(5): 051007.
Paper No: TSEA-23-1457
Published Online: March 18, 2024
... heat exchanger MCHE wavy channel microheat exchanger friction factor j factor calculation. conduction forced convection heat and mass transfer heat exchangers heat-transfer enhancement micro/nanoscale heat transfer Microchannel heat exchangers (MCHEs) are being used in an increasing...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Thermal Sci. Eng. Appl. November 2023, 15(11): 111007.
Paper No: TSEA-22-1565
Published Online: August 16, 2023
..., a relative baffle height of 1, and an open area ratio of 21%, the maximum increases in the Nusselt number (Nu) and friction factor (f) were 2.84 and 7 times, respectively. A maximum value of 1.69 is found at e/H = 0.40, P/e = 6, and b = 34% for the thermo-hydraulic performance parameter. Correlations for (Nu...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Thermal Sci. Eng. Appl. December 2022, 14(12): 121004.
Paper No: TSEA-22-1045
Published Online: August 24, 2022
... potential). Performance evaluation criteria (PEC) and friction factors were analyzed to evaluate the penalty in pressure drop for the heat transfer enhancement achieved. The experimental analysis revealed a maximum heat transfer enhancement in the coolant of 14.2% at CFR of 6lpm using 0.12% vol. fraction...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Thermal Sci. Eng. Appl. August 2022, 14(8): 081005.
Paper No: TSEA-21-1541
Published Online: January 12, 2022
... to conduction is corrected by a Reynolds-averaged Navier–Stokes (RANS) conjugate heat transfer calculation, which was validated by the mean velocity, friction factor, and temperature fields from experiments and large eddy simulation (LES). Nusselt number distributions illustrate that surface heat transfer...
Journal Articles
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Thermal Sci. Eng. Appl. February 2021, 13(1): 011017.
Paper No: TSEA-19-1640
Published Online: June 30, 2020
...% is found in the value of Nusselt number with double strip helical screw insert at twist ratio of 1.5 and low value of Reynolds number in the flow of nanofluid than water in plain tube. The common correlations of Nusselt number and friction factor are generated. The thermal performance factor (TPF...
Journal Articles
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Thermal Sci. Eng. Appl. August 2020, 12(4): 041016.
Paper No: TSEA-19-1335
Published Online: December 24, 2019
...% and 39% while adding 0.1 wt% of SnO 2 and Ag nanoparticles, respectively, due to the unique intrinsic property of the nanoparticles. Further, the convective heat transfer coefficient was enhanced because of improvement of thermal conductivity of the two phase mixture and friction factor increased due...
Journal Articles
Publisher: ASME
Article Type: Research-Article
J. Thermal Sci. Eng. Appl. June 2019, 11(3): 031003.
Paper No: TSEA-18-1399
Published Online: January 25, 2019
... = turbulence viscosity, Pa·s ρ = fluid density, kg/m 3 cp = specific heat, J/kg K f = pumping friction factor G = disk gap spacing ratio, = δ/R o h r = local heat transfer coefficient, W/m 2 K i = interval spacing between two ribs, m k = thermal...
Journal Articles
Publisher: ASME
Article Type: Research-Article
J. Thermal Sci. Eng. Appl. December 2017, 9(4): 041001.
Paper No: TSEA-16-1061
Published Online: March 21, 2017
...Biplab Das; Asis Giri; Suman Debnath A computational analysis of conjugate mixed convection heat transfer from shrouded vertical nonisothermal heat sink on a horizontal base is performed. The overall Nusselt number and the product of friction factor (f) and Reynolds number (Re) are found to vary...
Journal Articles
Publisher: ASME
Article Type: Research-Article
J. Thermal Sci. Eng. Appl. December 2014, 6(4): 041002.
Paper No: TSEA-13-1142
Published Online: April 17, 2014
... . Manuscript received August 22, 2013; final manuscript received March 2, 2014; published online April 17, 2014. Assoc. Editor: Ranganathan Kumar. 22 08 2013 02 03 2014 compact heat exchanger onvective heat transfer friction factor...
Journal Articles
Publisher: ASME
Article Type: Research-Article
J. Thermal Sci. Eng. Appl. September 2014, 6(3): 031012.
Paper No: TSEA-13-1166
Published Online: March 26, 2014
... friction factor Colburn factor Heat exchangers play an important role in many industries. Nowadays, to save energy, more efficient heat exchangers are required. Plate-fin heat exchangers (PFHEs) and tube-fin heat exchangers with wavy surfaces are characterized by high compactness and excellent...
Journal Articles
Publisher: ASME
Article Type: Research-Article
J. Thermal Sci. Eng. Appl. March 2014, 6(1): 011005.
Paper No: TSEA-13-1014
Published Online: October 21, 2013
.... volume averaging theory regenerative Heat exchangers random fiber matrices experimental closure design data heat transfer coefficient friction factor The VAT-based fluid mechanics and thermal energy equations modeling fluid flow and heat transport within a heterogeneous porous medium...