IDEAS home Printed from https://ideas.repec.org/a/eee/appene/v192y2017icp178-200.html
   My bibliography  Save this article

Numerical simulation of cooling effect of vegetation enhancement in a subtropical urban park

Author

Listed:
  • Yang, An-Shik
  • Juan, Yu-Hsuan
  • Wen, Chih-Yung
  • Chang, Chao-Jui

Abstract

Vegetation covers in urban parks are very useful for providing a cool microclimate which mitigates urban heat islands (UHIs). The objectives of this investigation are to therefore conduct on-site measurements and computational fluid dynamic simulations to evaluate the cooling efficacy from vegetation planted in a public park in Taipei, which is a subtropical city in Taiwan. The thermo-flow characteristics are predicted and compared with the measured air velocity and temperature data by using ultrasonic anemometers and an infrared camera to validate the computer modeling, including the sophisticated configurations of trees. Computations are also conducted to resolve the physiological equivalent temperature (PET) profiles for assessing the thermal comfort state at the pedestrian level of the outdoor environment. To investigate the impacts of park renewal on the urban microclimate, three pavilions and supplementary green areas are added to the simulation, and the results reveal that there is a better cooling effect in the park with a higher green coverage ratio (GCR). Moreover, the simulations find that the increased tree coverage ratio can more than compensate for loss of coverage of grasses, resulting in an overall decrease in average temperature. The relationship between thermal comfortable area and green coverage ratio tends to be nonlinear in nature. However, it would be more convenient for applications to adopt the linear regression analysis for determining the correlation between the GCR and PET for the percentage of areas that are comfortable (Cf). It shows that Cf=0.96×GCR+5.08, with a reasonable R2 value of 0.91, for GCR ranged from 54.5 to 71.6%, indicating that there is a significant reduced UHI effect with increases in the GCR. In addition, the correlation implies that a completely thermally comfortable condition will prevail in the park if it has full green coverage. This correlation thus serves as an important guideline for urban planners and managers when designing and managing public urban spaces, such as parks.

Suggested Citation

  • Yang, An-Shik & Juan, Yu-Hsuan & Wen, Chih-Yung & Chang, Chao-Jui, 2017. "Numerical simulation of cooling effect of vegetation enhancement in a subtropical urban park," Applied Energy, Elsevier, vol. 192(C), pages 178-200.
    • Handle: RePEc:eee:appene:v:192:y:2017:i:c:p:178-200
    DOI: 10.1016/j.apenergy.2017.01.079
    as

    Download full text from publisher

    File URL: http://www.sciencedirect.com/science/article/pii/S030626191730082X
    Download Restriction: Full text for ScienceDirect subscribers only
    File URL: https://libkey.io/10.1016/j.apenergy.2017.01.079?utm_source=ideas
    LibKey link: if access is restricted and if your library uses this service, LibKey will redirect you to where you can use your library subscription to access this item
    ---><---

    As the access to this document is restricted, you may want to search for a different version of it.

    References listed on IDEAS

    as
    1. Shahzad, Sally & Brennan, John & Theodossopoulos, Dimitris & Hughes, Ben & Calautit, John Kaiser, 2017. "Energy and comfort in contemporary open plan and traditional personal offices," Applied Energy, Elsevier, vol. 185(P2), pages 1542-1555.
    2. Fidaros, D.K. & Baxevanou, C.A. & Bartzanas, T. & Kittas, C., 2010. "Numerical simulation of thermal behavior of a ventilated arc greenhouse during a solar day," Renewable Energy, Elsevier, vol. 35(7), pages 1380-1386.
    3. Wang, Zhi-Hua & Zhao, Xiaoxi & Yang, Jiachuan & Song, Jiyun, 2016. "Cooling and energy saving potentials of shade trees and urban lawns in a desert city," Applied Energy, Elsevier, vol. 161(C), pages 437-444.
    4. Jaffal, Issa & Ouldboukhitine, Salah-Eddine & Belarbi, Rafik, 2012. "A comprehensive study of the impact of green roofs on building energy performance," Renewable Energy, Elsevier, vol. 43(C), pages 157-164.
    5. Berardi, Umberto & GhaffarianHoseini, AmirHosein & GhaffarianHoseini, Ali, 2014. "State-of-the-art analysis of the environmental benefits of green roofs," Applied Energy, Elsevier, vol. 115(C), pages 411-428.
    6. Jim, C.Y., 2015. "Thermal performance of climber greenwalls: Effects of solar irradiance and orientation," Applied Energy, Elsevier, vol. 154(C), pages 631-643.
    7. Yang, An-Shik & Su, Ying-Ming & Wen, Chih-Yung & Juan, Yu-Hsuan & Wang, Wei-Siang & Cheng, Chiang-Ho, 2016. "Estimation of wind power generation in dense urban area," Applied Energy, Elsevier, vol. 171(C), pages 213-230.
    8. Ouldboukhitine, Salah-Eddine & Belarbi, Rafik & Sailor, David J., 2014. "Experimental and numerical investigation of urban street canyons to evaluate the impact of green roof inside and outside buildings," Applied Energy, Elsevier, vol. 114(C), pages 273-282.
    9. Jim, C.Y., 2014. "Air-conditioning energy consumption due to green roofs with different building thermal insulation," Applied Energy, Elsevier, vol. 128(C), pages 49-59.
    10. Ascione, Fabrizio & Bianco, Nicola & de’ Rossi, Filippo & Turni, Gianluca & Vanoli, Giuseppe Peter, 2013. "Green roofs in European climates. Are effective solutions for the energy savings in air-conditioning?," Applied Energy, Elsevier, vol. 104(C), pages 845-859.
    11. Liu, Y. & Harris, D.J., 2008. "Effects of shelterbelt trees on reducing heating-energy consumption of office buildings in Scotland," Applied Energy, Elsevier, vol. 85(2-3), pages 115-127, February.
    12. Yang, Liu & Yan, Haiyan & Lam, Joseph C., 2014. "Thermal comfort and building energy consumption implications – A review," Applied Energy, Elsevier, vol. 115(C), pages 164-173.
    13. Kim, Jimin & Hong, Taehoon & Jeong, Jaemin & Koo, Choongwan & Jeong, Kwangbok, 2016. "An optimization model for selecting the optimal green systems by considering the thermal comfort and energy consumption," Applied Energy, Elsevier, vol. 169(C), pages 682-695.
    Full references (including those not matched with items on IDEAS)

    Citations

    Citations are extracted by the CitEc Project, subscribe to its RSS feed for this item.
    as


    Cited by:

    1. Anna Laura Pisello & Maria Saliari & Konstantina Vasilakopoulou & Shamila Hadad & Mattheos Santamouris, 2018. "Facing the urban overheating: Recent developments. Mitigation potential and sensitivity of the main technologies," Wiley Interdisciplinary Reviews: Energy and Environment, Wiley Blackwell, vol. 7(4), July.
    2. Beilei Qin & Xi Xu & Takashi Asawa & Lulu Zhang, 2022. "Experimental and Numerical Analysis on Effect of Passive Cooling Methods on an Indoor Thermal Environment Having Floor-Level Windows," Sustainability, MDPI, vol. 14(13), pages 1-24, June.
    3. Šuklje, Tomaž & Hamdy, Mohamed & Arkar, Ciril & Hensen, Jan L.M. & Medved, Sašo, 2019. "An inverse modeling approach for the thermal response modeling of green façades," Applied Energy, Elsevier, vol. 235(C), pages 1447-1456.
    4. Tang, Mingfang & Zheng, Xing, 2019. "Experimental study of the thermal performance of an extensive green roof on sunny summer days," Applied Energy, Elsevier, vol. 242(C), pages 1010-1021.
    5. Xuan Ma & Hiroatsu Fukuda & Dian Zhou & Mengying Wang, 2019. "A Study of the Pedestrianized Zone for Tourists: Urban Design Effects on Humans’ Thermal Comfort in Fo Shan City, Southern China," Sustainability, MDPI, vol. 11(10), pages 1-20, May.
    6. Chih-Hong Huang & Hsin-Hua Tsai & Hung-chen Chen, 2020. "Influence of Weather Factors on Thermal Comfort in Subtropical Urban Environments," Sustainability, MDPI, vol. 12(5), pages 1-23, March.
    7. Bouthaina Sayad & Mansour Rifaat Helmi & Oumr Adnan Osra & Ahmad Mohammed Abed & Haytham Hussain Alhubashi, 2024. "Microscale Investigation of Urban Heat Island (UHI) in Annaba City: Unveiling Factors and Mitigation Strategies," Sustainability, MDPI, vol. 16(2), pages 1-29, January.
    8. Murtaza Mohammadi & John Kaiser Calautit, 2019. "Numerical Investigation of the Wind and Thermal Conditions in Sky Gardens in High-Rise Buildings," Energies, MDPI, vol. 12(7), pages 1-33, April.
    9. Lee, Louis S.H. & Jim, C.Y., 2019. "Energy benefits of green-wall shading based on novel-accurate apportionment of short-wave radiation components," Applied Energy, Elsevier, vol. 238(C), pages 1506-1518.

    Most related items

    These are the items that most often cite the same works as this one and are cited by the same works as this one.
    1. Vera, Sergio & Pinto, Camilo & Tabares-Velasco, Paulo Cesar & Bustamante, Waldo, 2018. "A critical review of heat and mass transfer in vegetative roof models used in building energy and urban enviroment simulation tools," Applied Energy, Elsevier, vol. 232(C), pages 752-764.
    2. Kim, Jimin & Hong, Taehoon & Jeong, Jaemin & Koo, Choongwan & Jeong, Kwangbok, 2016. "An optimization model for selecting the optimal green systems by considering the thermal comfort and energy consumption," Applied Energy, Elsevier, vol. 169(C), pages 682-695.
    3. Mihalakakou, Giouli & Souliotis, Manolis & Papadaki, Maria & Menounou, Penelope & Dimopoulos, Panayotis & Kolokotsa, Dionysia & Paravantis, John A. & Tsangrassoulis, Aris & Panaras, Giorgos & Giannako, 2023. "Green roofs as a nature-based solution for improving urban sustainability: Progress and perspectives," Renewable and Sustainable Energy Reviews, Elsevier, vol. 180(C).
    4. Brunetti, Giuseppe & Porti, Michele & Piro, Patrizia, 2018. "Multi-level numerical and statistical analysis of the hygrothermal behavior of a non-vegetated green roof in a mediterranean climate," Applied Energy, Elsevier, vol. 221(C), pages 204-219.
    5. Kong, Fanhua & Sun, Changfeng & Liu, Fengfeng & Yin, Haiwei & Jiang, Fei & Pu, Yingxia & Cavan, Gina & Skelhorn, Cynthia & Middel, Ariane & Dronova, Iryna, 2016. "Energy saving potential of fragmented green spaces due to their temperature regulating ecosystem services in the summer," Applied Energy, Elsevier, vol. 183(C), pages 1428-1440.
    6. Lee, Louis S.H. & Jim, C.Y., 2019. "Energy benefits of green-wall shading based on novel-accurate apportionment of short-wave radiation components," Applied Energy, Elsevier, vol. 238(C), pages 1506-1518.
    7. Yara Nasr & Henri El Zakhem & Ameur El Amine Hamami & Makram El Bachawati & Rafik Belarbi, 2024. "Comprehensive Assessment of the Impact of Green Roofs and Walls on Building Energy Performance: A Scientific Review," Energies, MDPI, vol. 17(20), pages 1-52, October.
    8. Tang, Mingfang & Zheng, Xing, 2019. "Experimental study of the thermal performance of an extensive green roof on sunny summer days," Applied Energy, Elsevier, vol. 242(C), pages 1010-1021.
    9. Bevilacqua, Piero, 2021. "The effectiveness of green roofs in reducing building energy consumptions across different climates. A summary of literature results," Renewable and Sustainable Energy Reviews, Elsevier, vol. 151(C).
    10. Yu, Zhaowu & Chen, Tingting & Yang, Gaoyuan & Sun, Ranhao & Xie, Wei & Vejre, Henrik, 2020. "Quantifying seasonal and diurnal contributions of urban landscapes to heat energy dynamics," Applied Energy, Elsevier, vol. 264(C).
    11. Noemi Caltabellotta & Felicia Cavaleri & Carlo Greco & Kestutis Navickas & Carlo Scibetta & Laura Giammanco, 2019. "Integration of green roofs&walls in urban areas," RIVISTA DI STUDI SULLA SOSTENIBILITA', FrancoAngeli Editore, vol. 0(2 Suppl.), pages 61-78.
    12. Manso, Maria & Teotónio, Inês & Silva, Cristina Matos & Cruz, Carlos Oliveira, 2021. "Green roof and green wall benefits and costs: A review of the quantitative evidence," Renewable and Sustainable Energy Reviews, Elsevier, vol. 135(C).
    13. Mansoureh Gholami & Alberto Barbaresi & Patrizia Tassinari & Marco Bovo & Daniele Torreggiani, 2020. "A Comparison of Energy and Thermal Performance of Rooftop Greenhouses and Green Roofs in Mediterranean Climate: A Hygrothermal Assessment in WUFI," Energies, MDPI, vol. 13(8), pages 1-15, April.
    14. He, Yang & Yu, Hang & Ozaki, Akihito & Dong, Nannan & Zheng, Shiling, 2017. "Influence of plant and soil layer on energy balance and thermal performance of green roof system," Energy, Elsevier, vol. 141(C), pages 1285-1299.
    15. Liberalesso, Tiago & Oliveira Cruz, Carlos & Matos Silva, Cristina & Manso, Maria, 2020. "Green infrastructure and public policies: An international review of green roofs and green walls incentives," Land Use Policy, Elsevier, vol. 96(C).
    16. Pamulapati, Trinadh & Mallipeddi, Rammohan & Lee, Minho, 2020. "Multi-objective home appliance scheduling with implicit and interactive user satisfaction modelling," Applied Energy, Elsevier, vol. 267(C).
    17. Dimitris Perivoliotis & Iasonas Arvanitis & Anna Tzavali & Vassilios Papakostas & Sophia Kappou & George Andreakos & Angeliki Fotiadi & John A. Paravantis & Manolis Souliotis & Giouli Mihalakakou, 2023. "Sustainable Urban Environment through Green Roofs: A Literature Review with Case Studies," Sustainability, MDPI, vol. 15(22), pages 1-25, November.
    18. Hussain H. Al-Kayiem & Kelly Koh & Tri W. B. Riyadi & Marwan Effendy, 2020. "A Comparative Review on Greenery Ecosystems and Their Impacts on Sustainability of Building Environment," Sustainability, MDPI, vol. 12(20), pages 1-25, October.
    19. Bevilacqua, Piero & Bruno, Roberto & Arcuri, Natale, 2020. "Green roofs in a Mediterranean climate: energy performances based on in-situ experimental data," Renewable Energy, Elsevier, vol. 152(C), pages 1414-1430.
    20. Hashemi, Sajedeh Sadat Ghazizadeh & Mahmud, Hilmi Bin & Ashraf, Muhammad Aqeel, 2015. "Performance of green roofs with respect to water quality and reduction of energy consumption in tropics: A review," Renewable and Sustainable Energy Reviews, Elsevier, vol. 52(C), pages 669-679.

    Corrections

    All material on this site has been provided by the respective publishers and authors. You can help correct errors and omissions. When requesting a correction, please mention this item's handle: RePEc:eee:appene:v:192:y:2017:i:c:p:178-200. See general information about how to correct material in RePEc.

    If you have authored this item and are not yet registered with RePEc, we encourage you to do it here. This allows to link your profile to this item. It also allows you to accept potential citations to this item that we are uncertain about.

    If CitEc recognized a bibliographic reference but did not link an item in RePEc to it, you can help with this form .

    If you know of missing items citing this one, you can help us creating those links by adding the relevant references in the same way as above, for each refering item. If you are a registered author of this item, you may also want to check the "citations" tab in your RePEc Author Service profile, as there may be some citations waiting for confirmation.

    For technical questions regarding this item, or to correct its authors, title, abstract, bibliographic or download information, contact: Catherine Liu (email available below). General contact details of provider: http://www.elsevier.com/wps/find/journaldescription.cws_home/405891/description#description .

    Please note that corrections may take a couple of weeks to filter through the various RePEc services.

    IDEAS is a RePEc service. RePEc uses bibliographic data supplied by the respective publishers.