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Solar-assisted heat-pump dryer and water heater

Author

Listed:
  • Hawlader, M. N. A.
  • Chou, S. K.
  • Jahangeer, K. A.
  • Rahman, S. M. A.
  • Lau K. W., Eugene

Abstract

A solar-assisted heat-pump dryer and water heater has been designed, fabricated and tested. The performance of the system has been investigated under the meteorological conditions of Singapore. The system consists of a variable-speed reciprocating compressor, collector evaporator, storage tank, air-cooled condenser, auxiliary heater, blower, dryer, dehumidifier, and air collector. The drying system is designed in such a way that some of the components can be isolated depending on the weather conditions and usage pattern. The drying medium used is air and the drying chamber is configured to carry out batch drying of food grains. A simulation program is developed using Fortran language to evaluate the performance of the system and the influence of different variables. The performance indices considered to evaluate the performance of the system are: Solar Fraction (SF) and Coefficient of Performance (COP) with and without a water heater. The values of COP, obtained from the simulation and experiment are 7.0, and 5.0, respectively, whereas the solar fraction (SF) values of 0.65 and 0.61 are obtained from simulation and experiment, respectively.

Suggested Citation

  • Hawlader, M. N. A. & Chou, S. K. & Jahangeer, K. A. & Rahman, S. M. A. & Lau K. W., Eugene, 2003. "Solar-assisted heat-pump dryer and water heater," Applied Energy, Elsevier, vol. 74(1-2), pages 185-193, January.
    • Handle: RePEc:eee:appene:v:74:y:2003:i:1-2:p:185-193
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    Citations

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    Cited by:

    1. Singh Chauhan, Prashant & Kumar, Anil & Tekasakul, Perapong, 2015. "Applications of software in solar drying systems: A review," Renewable and Sustainable Energy Reviews, Elsevier, vol. 51(C), pages 1326-1337.
    2. Shi, Guo-Hua & Aye, Lu & Li, Dan & Du, Xian-Jun, 2019. "Recent advances in direct expansion solar assisted heat pump systems: A review," Renewable and Sustainable Energy Reviews, Elsevier, vol. 109(C), pages 349-366.
    3. Chae, Kyu-Jung & Ren, Xianghao, 2016. "Flexible and stable heat energy recovery from municipal wastewater treatment plants using a fixed-inverter hybrid heat pump system," Applied Energy, Elsevier, vol. 179(C), pages 565-574.
    4. Zhiyong Yang & Yiping Wang & Li Zhu, 2011. "Building Space Heating with a Solar-Assisted Heat Pump Using Roof-Integrated Solar Collectors," Energies, MDPI, vol. 4(3), pages 1-13, March.
    5. Gungor, Aysegul & Erbay, Zafer & Hepbasli, Arif, 2011. "Exergetic analysis and evaluation of a new application of gas engine heat pumps (GEHPs) for food drying processes," Applied Energy, Elsevier, vol. 88(3), pages 882-891, March.
    6. Fadhel, M.I. & Sopian, K. & Daud, W.R.W. & Alghoul, M.A., 2011. "Review on advanced of solar assisted chemical heat pump dryer for agriculture produce," Renewable and Sustainable Energy Reviews, Elsevier, vol. 15(2), pages 1152-1168, February.
    7. Daghigh, Ronak & Ruslan, Mohd Hafidz & Sulaiman, Mohamad Yusof & Sopian, Kamaruzzaman, 2010. "Review of solar assisted heat pump drying systems for agricultural and marine products," Renewable and Sustainable Energy Reviews, Elsevier, vol. 14(9), pages 2564-2579, December.
    8. Kumar, Mahesh & Sansaniwal, Sunil Kumar & Khatak, Pankaj, 2016. "Progress in solar dryers for drying various commodities," Renewable and Sustainable Energy Reviews, Elsevier, vol. 55(C), pages 346-360.
    9. Badiei, A. & Golizadeh Akhlaghi, Y. & Zhao, X. & Shittu, S. & Xiao, X. & Li, J. & Fan, Y. & Li, G., 2020. "A chronological review of advances in solar assisted heat pump technology in 21st century," Renewable and Sustainable Energy Reviews, Elsevier, vol. 132(C).
    10. Hepbasli, Arif & Kalinci, Yildiz, 2009. "A review of heat pump water heating systems," Renewable and Sustainable Energy Reviews, Elsevier, vol. 13(6-7), pages 1211-1229, August.
    11. Amin, Zakaria Mohd. & Hawlader, M.N.A., 2013. "A review on solar assisted heat pump systems in Singapore," Renewable and Sustainable Energy Reviews, Elsevier, vol. 26(C), pages 286-293.
    12. EL-Mesery, Hany S. & EL-Seesy, Ahmed I. & Hu, Zicheng & Li, Yang, 2022. "Recent developments in solar drying technology of food and agricultural products: A review," Renewable and Sustainable Energy Reviews, Elsevier, vol. 157(C).
    13. Ahn, Jae Hwan & Kang, Hoon & Lee, Ho Seong & Kim, Yongchan, 2015. "Performance characteristics of a dual-evaporator heat pump system for effective dehumidifying and heating of a cabin in electric vehicles," Applied Energy, Elsevier, vol. 146(C), pages 29-37.
    14. Bakirci, Kadir & Ozyurt, Omer & Comakli, Kemal & Comakli, Omer, 2011. "Energy analysis of a solar-ground source heat pump system with vertical closed-loop for heating applications," Energy, Elsevier, vol. 36(5), pages 3224-3232.
    15. Zhongting Hu & Sheng Zhang & Wenfeng Chu & Wei He & Cairui Yu & Hancheng Yu, 2020. "Numerical Analysis and Preliminary Experiment of a Solar Assisted Heat Pump Drying System for Chinese Wolfberry," Energies, MDPI, vol. 13(17), pages 1-16, August.
    16. Ozgener, Onder & Hepbasli, Arif, 2007. "A review on the energy and exergy analysis of solar assisted heat pump systems," Renewable and Sustainable Energy Reviews, Elsevier, vol. 11(3), pages 482-496, April.
    17. Raisul Islam, M. & Sumathy, K. & Ullah Khan, Samee, 2013. "Solar water heating systems and their market trends," Renewable and Sustainable Energy Reviews, Elsevier, vol. 17(C), pages 1-25.
    18. Ji, Jie & Liu, Keliang & Chow, Tin-tai & Pei, Gang & He, Wei & He, Hanfeng, 2008. "Performance analysis of a photovoltaic heat pump," Applied Energy, Elsevier, vol. 85(8), pages 680-693, August.
    19. Tomasz P. Olejnik & Tymoteusz Mysakowski & Paweł Tomtas & Radosław Mostowski, 2021. "Optimization of the Beef Drying Process in a Heat Pump Chamber Dryer," Energies, MDPI, vol. 14(16), pages 1-21, August.
    20. Kuan, M. & Shakir, Ye. & Mohanraj, M. & Belyayev, Ye. & Jayaraj, S. & Kaltayev, A., 2019. "Numerical simulation of a heat pump assisted solar dryer for continental climates," Renewable Energy, Elsevier, vol. 143(C), pages 214-225.

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