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Structural optimization design and heat transfer characteristics of multi-degree-of-freedom spiral plate type agricultural machinery equipment heat exchanger

In agricultural equipment, heat exchangers are mainly used for heat exchange and full utilization. Based on the theory of enhanced heat transfer, we establish a reasonable mathematical model and physical model for the multi-degree-of-freedom spiral plate type agricultural machinery heat exchanger, and use the FLUENT numerical simulation software to add the spiral disturbing fluid to the spiral plate heat exchanger flow channel. Numerical simulation and further optimization simulation of the fluid-conducting conditions with poor heat transfer effect were carried out, and an optimal arrangement of two kinds of spiral-shaped turbulent fluids with constant curvature and variable curvature was determined. The heat transfer effect of the fixed-curvature spiral-shaped disturbing fluid is superior. Further optimize the structure of the disturbing fluid. When the diameter of the disturbing fluid increases, the heat transfer can be enhanced; thus, the diameter of the disturbing fluid plays an important role in enhancing the heat transfer effect.
PAPER REVISED: 2019-01-15
PAPER ACCEPTED: 2019-10-20
  1. Nguyen, Duc-Khuyen, and Jung-Yang San. "Decrement in heat transfer effectiveness due to solid heat conduction for a counter-current spiral heat exchanger." Applied Thermal Engineering 103 (2016): pp, 821-831.
  2. Bahiraei, Mehdi, and Ali Akbar Ahmadi. "Thermohydraulic performance analysis of a spiral heat exchanger operated with water-alumina nanofluid: Effects of geometry and adding nanoparticles." Energy Conversion and Management 170 (2018): pp, 62-72.
  3. Ding, Chao, et al. "Influences of tube pitches on heat transfer and pressure drop characteristics of two-phase propane flow boiling in shell side of LNG spiral wound heat exchanger." Applied Thermal Engineering 131 (2018): pp, 270-283.
  4. Cuce, Pinar Mert, and Saffa Riffat. "A comprehensive review of heat recovery systems for building applications." Renewable and Sustainable Energy Reviews 47 (2015): pp, 665-682.
  5. Jian, Wen, et al. "Numerical investigation on baffle configuration improvement of the heat exchanger with helical baffles." Energy Conversion and Management 89 (2015): pp, 438-448.
  6. Culha, Oguzhan, et al. "Heat exchanger applications in wastewater source heat pumps for buildings: A key review." Energy and Buildings 104 (2015): pp, 215-232.
  7. Dizaji, Hamed Sadighi, et al. "Experiments on air bubbles injection into a vertical shell and coiled tube heat exchanger; exergy and NTU analysis." Energy Conversion and Management 103 (2015): pp, 973-980.
  8. Wang, Tongcai, et al. "Waste heat recovery through plate heat exchanger based thermoelectric generator system." Applied Energy 136 (2014): pp, 860-865.
  9. Ebrahimzadeh, Edris, et al. "Theoretical and experimental analysis of dynamic plate heat exchanger: non-retrofit configuration." Applied Thermal Engineering 93 (2016): pp, 1006-1019.
  10. Wu, Jinxing, Shaolin Liu, and Mingqiang Wang. "Process calculation method and optimization of the spiral-wound heat exchanger with bilateral phase change." Applied Thermal Engineering 134 (2018): pp, 360-368.
  11. Ding, Chao, et al. "Experimental investigation on pressure drop characteristics of two-phase hydrocarbon mixtures flow in the shell side of LNG spiral wound heat exchangers." Applied Thermal Engineering 127 (2017): pp, 347-358.
  12. Bennett, Christopher A., and Robert P. Hohmann. "Methods for Calculating Shear Stress at the Wall for Single-Phase Flow in Tubular, Annular, Plate, and Shell-Side Heat Exchanger Geometries." Heat Transfer Engineering 38.9 (2017): pp, 829-840.
  13. Prieto, M. M., B. Gonzalez, and E. Granado. "Thermal performance of a heating system working with a PCM plate heat exchanger and comparison with a water tank." Energy and Buildings 122 (2016): pp, 89-97.
  14. Turgut, Oğuz Emrah, and Mustafa Turhan Çoban. "Thermal design of spiral heat exchangers and heat pipes through global best algorithm." Heat and Mass Transfer 53.3 (2017): pp, 899-916.
  15. Hatami, Mohammad, D. D. Ganji, and M. Gorji-Bandpy. "A review of different heat exchangers designs for increasing the diesel exhaust waste heat recovery." Renewable and sustainable energy reviews 37 (2014): pp, 168-181.