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Manuscript ID : JEST-1901-4568 (R3) Visit : 202 Page: 157 - 172

10.30495/jest.2021.42469.4568

Article Type: Original Research

Create comfort conditions in building by using a hybrid passive cooling system

Subject Areas : Architecture and urbanism

Mahnoosh Eghtedari 1 , Abbas Mahravan 2 , Maryam Ansarimanesh 3 , ali nouri 4

1 - PhD Student, Architecture Department, Kermanshah Branch, Islamic Azad University, Kermanshah, Iran.
2 - Assistant Professor, Architecture Department, Razi University, Kermanshah, Iran. *(Corresponding author)
3 - Assistant Professor, Department of Architecture, Kermanshah Branch, Islamic Azad University, Kermanshah, Iran.
4 - Assistant Professor, Department of Architecture, Kermanshah Branch, Islamic Azad University, Kermanshah, Iran.

Received: 2019-01-28 Accepted : 2019-07-17 Published : 2021-06-22

Keywords: Passive cooling system, Solar Chimney, Windcatcher, Evaporative Cooling Cavity,

Abstract :

Background and Objectives: Increasing fossil fuel consumption in the building, especially in the air conditioning sector, has increased environmental pollution and global warming.In this research, a zero-energy passive system was designed in a warm and dry climate to ventilate the building and provide comfortable conditions for people in the summer. This Hybrid Passive Cooling System (HPCS) includes two distinctive systems: the Solar Chimney (SC) and Evaporative Cooling Cavity (ECC).Method: This research experimental-analytical and simulation studied and tested the ability of the system in cooling the building in the warmest month of the year from 9: 00 am to 3:00 pm for ten consecutive days. The air temperature, humidity, and ambient air velocity were measured at the outlet of the evaporative cooling channel and the inlet of the solar chimney.Findings: The findings showed this system could reduce the air temperature by an average of 10  and could increase the air humidity by 34%. Moreover, the air velocity of the SC increased as the air got warm so that the maximum inlet air velocity in the solar chimney reached the highest level (2.8) at 3 pm. In addition. Since the outlet air velocity of the windcatcher rose to 0.41  at 3:00 pm compared to 9:00 am, which is equivalent to an air temperature drop of 3.6, the chamber was in comfort condition by using the hybrid system at 3:00 pm.Discussion and Conclusion: The results show that using a passive hybrid system, the chamber is in comfortable condition from 9:00 am to 3:00 pm. Calculating the cost of constructing and installing a hybrid passive system and comparing it with a water cooler indicates that the proposed is profitable since used, and the return time of the system after running and launching the system.With an increase in the number of people from 1 to 4 people, the room is in comfortable conditions at 9 am and noon, but at 3 pm the room is placed with 4 people out of the comfort zone.

References:


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_||_

  1. International Institute for Sustainable Development. (2010). Sustainable Development: From Brundtland to Rio 2012. New York: United Nations Headquarters.
    2.
  2. Holloway, D., & Bunker, R. (2005). Planning, Housing and energy use. National Housing Conference- Building for Diversity. Perth.
    3.
  3. Mattheos Santamouris, Dionysia Kolokotsa, Passive cooling dissipation techniques for buildings and other structures:The state of the art, Energy and Buildings 57 (2013) 74–94.
    4.
  4. Vali Kalantar, Numerical simulation of cooling performance of wind tower (Baud-Geer) in hot and arid region, Renewable Energy 34 (2009) 246–254
    5.


  1. Saadatian O, Haw LC, Sopian K, Sulaiman MY. Review of windcatcher technologies.Renew Sustain Energy Rev 2012;16:1477–95. http://dx.doi.org/10.1016/j.rser.2011.11.037.
    2.
  2. Hossein Ghadiri M, Lukman N, Ibrahim N, Mohamad MF. Computational analysis of wind-driven natural ventilation in a two sided rectangular wind catcher. Inter J Vent 2013;12:51–61.
    3.
  3. Ürge-Vorsatz D, Cabeza LF, Serrano S, Barreneche C, Petrichenko K. Heating and cooling energy trends and drivers in buildings. Renew Sustain Energy Rev 2015;41:85–98. http://dx.doi.org/10.1016/j.rser.2014.08.039.
    4.
  4. Manzano-Agugliaro F, Montoya FG, Sabio-Ortega A, García-Cruz A. Review of bioclimatic architecture strategies for achieving thermal comfort. Renew Sustain Energy Rev 2015;49:736–55. http://dx.doi.org/10.1016/j.rser.2015.04.095.
    5.
  5. Vali Kalantar, Numerical simulation of cooling performance of wind tower (Baud-Geer) in hot and arid region, Renewable Energy 34 (2009) 246–254
    6.
  6. Moosavi L, Mahyuddin N, Ab Ghafar N, Azzam Ismail M. Thermal performance of atria: an overview of natural ventilation effective designs. Renew Sustain Energy Rev 2014;34:654–70. http://dx.doi.org/10.1016/j.rser.2014.02.035.
    7.
  7. F.Busch.1992. "A Tale of Two Populations: Thermal Comfort in Air- Conditioned and Naturally Ventilated Offices in Thailand", Energy and Buildings 18(3-4), 235-249.
    8.
  8. Energy Consumption Guide 19, Energy Effiiciency in Offices, 1993, London: Energy Efficiency Office/HMSO.
    9.
  9. Energ Information Administration. 1995. State Energy Data Report 1995, Tables 3 thiough 7,.
    10.
  10. Chenari B, Dias Carrilho J, Gameiro da Silva M. Towards sustainable, energyefficient and healthy ventilation strategies in buildings: a review. Renew Sustain Energy Rev 2016;59:1426–47. http://dx.doi.org/10.1016/j.rser.2016.01.074.
    11.
  11. Norbert, L. (2009). Heating, Cooling, Lighting: Sustainable Design Methods for Architects. Translated by Keinejad, M. A &Azari Najafabadi, R. Tabriz
    12.
  12. Ali.A, (2003),Performance of cool towers under various climates in Jordan, Energy and Buildings 35 (2003) 1031–1035.
    13.
  13. M.R.Khani, M.N. Bahadori, A.R. Dehghani-Sanij, "Experimental investigation of a modular wind tower in hot and dry regions ", Energy for Sustainable Development 39 (2017) 21–28
    14.
  14. Bouchahm Y, Bourbia F, Belhamri A. Performance analysis and improvement of the use of wind tower in hot dry climate. Renew Energy 2011;36:898–906. http:// dx.doi.org/10.1016/j.renene.2010.08.030.
    15.
  15. Giabaklou Z, Ballinger JA. A passive evaporative cooling system by natural ventilation. Building and Environment 1996;31(6):503–7.
    16.
  16. Giacomo Chiesa, Mario Grosso. Direct evaporative passive cooling of building. A comparison amid simplified simulation models based on experimental data. Building and Environment. 2015; 94:263-272. http://dx.doi.org/10.1016/j.buildenv.2015.08.014.
    17.
  17. Alaidroos and M. Krarti, “Numerical Modeling of Ventilated Wall Cavities with Spray Evaporative Cooling Systems,” Energy Build., vol. 130, no. 15 October, pp. 350–365, 2016. http://dx.doi.org/doi:10.1016/j.enbuild.2016.08.046.
    18.
  18. Givoni, B.: Performance and applicability of passive and lowenergy cooling systems. Energy Build. 17, 177–199 (1991).
    19.
  19. D. Chen, et al., An experimental investigation of a solar chimney model with uniform wall heat flux, Building and Environment 38 (7) (2003) 893–906.
    20.
  20. A. Duffie, W.A. Beckman, Solar Engineering of Thermal Processes, John Wiley & Sons, Inc., 1991.
    21.
  21. Mathur, et al., Experimental investigations on solar chimney for room ventilation,Solar Energy 80 (8) (2006) 927–935.
    22.
  22. Miyazaki, A. Akisawa, T. Kashiwagi, The effects of solar chimneys on thermal load mitigation of office buildings under the Japanese climate, Renewable Energy 31 (7) (2006) 987–1010.
    23.
  23. N.K, Mathur.Rajesh,Bhandari.M.S, A study of solar chimney assisted wind tower system for natural ventilation in buildings,Building and Environment, 29(4)(1994) 495-500.
    24.
  24. Punyasompun S, Hirunlabh J, Khedari J, Zeghmati B. Investigation on the application of solar chimney for multi-storey buildings. Renew Energy2009;34:2545–61.
    25.
  25. Amr Sayed Hassan, Hiroshi. Yoshino, Goto. Tomonobu, Enteria. Napoleon, Radwan. Magdy M, Abdelsamei Eid. M, Parametric investigation of solar chimney with new cooling tower integrated in a single room for New Assiut city, Egypt climate. Int J Energy Environ Eng 5:92 (2014) 2-9.
    26.
  26. M, Haghighi. A.P, Natural cooling of stand-alone houses using solar chimney and evaporative cooling cavity, Renewable Energy 35 (2010) 2040–2052.
    27.
  27. http://www.kermanshahmet.ir
    28.

 

 

 

 

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