Application of POD Reduced-order Model in Heat Transfer Performance of Flat Tube Bank Fin Heat Exchanger

doi:10.19596/j.cnki.1001-246x.7746

Abstract

Abstract: Reduced-order model of proper orthogonal decomposition method (POD) was established to analyzed performance of fluid flow and heat transfer in flat tube bank fin heat exchanger. Numerical results of POD were compared with those of FVM. It indicates that average relative error between POD results and FVM results is no more than 5.7% while computational speed is improved 164.78-2021 times. Conclusion is of theoretical meaning for optimizing heat exchanger structure and running mode in engineering.

Key words: proper orthogonal decomposition, reduced-order model, flat tube, bank fin heat exchanger, numerical simulation

CLC Number:

TK124

WANG Ye, WANG Yi, HU Wenting, WANG Liangbi. Application of POD Reduced-order Model in Heat Transfer Performance of Flat Tube Bank Fin Heat Exchanger[J]. CHINESE JOURNAL OF COMPUTATIONAL PHYSICS, 2018, 35(5): 587-596.

References

[1] ANTHONY M J, SHAH R K. Air-side flow and heat transfer in compact heat exchangers:A discussion of enhancement mechanisms[J]. Heat Transfer engineering,1998, 19(4):29-41.
[2] SONG K W, WANG Y, WANG L B, et al. Numerical study of the fin efficiency and a modified fin efficiency formula for flat tube bank fin heat exchanger[J]. International Journal of Heat and Mass Transfer, 2011, 54(11):2661-2672.
[3] WANG L B, LIN Z M, SUN K J, et al. Transversal tube pitch effects on local heat transfer characteristics of the flat tube bank fin mounted vortex generators and their sensitivity to non-uniform temperature of the fin[J]. Frontiers of Energy and Power Engineering in China, 2010, 4(3):333-345.
[4] HU W L, WANG L B. The effect of transverse tube pitch on the thermal-hydrodynamic performance of a circular tube-plate-fin heat exchanger with fin-mounted vortex generators[J]. Journal of Enhanced Heat Transfer, 2015, 22(3):221-246.
[5] HU W L, SU M, WANG L B, et al. The optimum fin spacing of circle tube bank fin heat exchanger with vortex generators under the same front velocity[J]. Heat Mass Transfer, 2013, 49:1271-1285.
[6] LIZARDI J J, TREVINO C, MENDEZ F. The influence of the variable thermal conductivity of a vertical fin on a laminar-film condensation process[J]. Heat and Mass Transfer, 2004, 40:383-391.
[7] GAI X P, WANG L B, LIN Z M, et al. Effects of the fins conductivity on heat transfer performance of the bank plain fin heat exchangers[J]. Journal of Lanzhou Jiaotong University, 2010, 29(3):55-61.
[8] HAN H, HE Y L, LI Y S, et al. A numerical study on compact enhanced fin-and-tube heat exchangers with oval and circular tube configurations[J]. International Journal of Heat Mass Transfer, 2013, 65:686-695.
[9] ARORA A, SUBBARAO P M V, AGARWAL R S. Numerical optimization of location of ‘common flow up’ delta winglets for inline aligned finned tube heat exchangers[J]. Applied Thermal Engineering, 2015, 82:329-340.
[10] WEI X Q, ZHANG Y H, WANG L B, et al. The fluid flow and heat transfer characteristics in the channel formed by flat tube and dimpled fin[J]. International Journal of Thermal Sciences, 2016, 104:86-100.
[11] LIN Z M, LIU C P, WANG L B. Numerical study of fluid flow and heat transfer enhancement of circular tube bank fin heat exchanger with curved delta-winglet vortex generators[J]. Applied Thermal Engineering, 2015, 88:198-210.
[12] LIN Z M, WANG L B, ZHANG Y H. Numerical study on heat transfer enhancement of circular tube bank fin heat exchanger with interrupted annular groove fin[J]. Applied Thermal Engineering, 2014, 73:1465-1476.
[13] LIU C P, LIN Z M, WANG L B. The thermal boundary conditions on the cross sections normal to the main flow of fully developed convection in the tube with insert tape[J]. Numerical Heat Transfer A, 2014, 65:1230-1253.
[14] WANG Y, WANG L C, WANG L B, et al. The condition requiring conjugate numerical method in study of heat transfer characteristics of tube bank fin heat exchanger[J]. International Journal of Heat Mass Transfer, 2012, 55:2353-2364.
[15] WANG Y, YU B, SUN S Y. POD-Galerkin model for incompressible single-phase flow in porous media[J]. Open Phys, 2016, 14:1-14.
[16] HAN D X. Study on a BFC-based POD-Galerkin reduced-order model for the unsteady-state variable property heat transfer problem[J]. Numerical Heat Transfer, 2014(65):256-281.
[17] HAN D X. Fast thermal simulation of a heated crude oil pipeline with a BFC-based POD reduced-order model[J]. Applied Thermal Engineering, 2015(88):217-229.
[18] DING P, TAO W Q. Reduced order modeling of fluid flow and heat transfer in tube-fin heat exchanger[J]. Journal of China University of Petroleum, 2011, 35(2):137-140.
[19] CHEN J J, HAN D X, WANG Y, et al. POD reduced order model based on vorticity-stream function equations[J]. Journal of Engineering Thermophysics, 2016, 37(10):2167-2174.
[20] SUN J C, DU P, LI P S. Natural convection heat transfer in a porous medium with partially thermally active walls:Lattice Boltzmann method[J]. Chinese Journal of Computational Physics, 2017, 34(5):583-592.
[21] LI Z H, SUN H F, XIA X L. Decoupling method for transient thermal status of low supersonic aircrafts[J]. Chinese Journal of Computational Physics, 2016, 33(6):681-690.
[22] SIROVICH L. Turbulent and dynamics of coherent structure:I-Ⅲ[J]. Quarterly of Applied Mathematics, 1987, 45:561-590.
[23] KYLIKOF U. The cooling system of diesel locomotive[M]. Moscow:Machine Construction Press, 1988.
[24] WANG Y, YU B, CAO Z Z. A comparative study of POD interpolation and POD projection methods for fast and accurate prediction of heat transfer problems[J]. International Journal of Heat and Mass Transfer, 2012, 55(17-18):4827-4836.
[25] WANG Y, WANG L B. Influence of fin material on the conjugate heat transfer characteristics of flat tube bank fin heat exchanger[J]. Journal of Basic Science and Engineering, 2017,25(4):824-834.