BioPCM M91/Q29; Straw bale insulation; Building orientation; Annual cost savings; Payback period
Disciplines :
Civil engineering
Author, co-author :
Rivel, Sinta
Kameni Nematchoua, Modeste ; Université de Liège - ULiège > Département ArGEnCo > Urbanisme et aménagement du territoire ; Université de Liège - ULiège > Urban and Environmental Engineering
Turcanu, Florin Emilian
Unmar, Roshan
Pitti, Rostand Moutou
Tovondrainy, Norbert
Richard, Rafefimanana Sambilason
Chrysostôme, Raminosoa
Language :
English
Title :
Passive cooling strategies for improving indoor thermal comfort of tropical school buildings
OECD (2025), « Using Climate Projections to Assess Increasing Student Exposure to High Temperatures », OECD Publishing, Paris, doi:10.1787/98a7f132-en.
UNSW Sydney, « Rising temperature affecting students' learning across the world, 2025 ». [En ligne]. Disponible sur: https://www.unsw.edu.au/news/2025/08/rising-temperatures-affecting-students learning-across-the-world?utm_source=copilot.com
« The World Bank Transforming Access and Learning in Madagascar », Appraisal Environmental and social review summary (2025).
World Bank, « Madagascar: la Banque mondiale lance un nouveau programme pour élargir l'accès à l'énergie ». [En ligne]. Disponible sur: https://www.banquemondiale.org/fr/news/press-release/2026/05/06/madagascar-new-world-bank-program-set-to-provide-reliable-and-affordable-energy-to-over-2-5-million-people-by-2030?utm_source=copilot.com
Athmani W, Sriti L, Dabaieh M, Younsi Z., « The potential of using passive cooling roof techniques to improve thermal performance and energy efficiency of residential buildings in hot arid regions », Buildings. 2023;13(1):21.
Matallah ME, Ahriz A, Zitouni DC, Arrar HF, Ratmia M, Attia S., « Passive cooling effect of oasis palm groves », Sustain Cities Soc. 2023;99:104887.
Hanan M. Taleb, « Using passive cooling strategies to improve thermal performance and reduce energy consumption of residential buildings in U.A.E buildings », Frontiers of Architectural Research (2014) 3, 154-165; http://dx.doi.org/10.1016/j.foar.2014.01.002.
Anh-Tuan Nguyen, Sigrid Reiter, « A climate analysis tool for passive heating and cooling strategies in hot humid climate based on Typical Meteorological Year data sets », Energy Build. 68 (2014) 756–763.
Salwa El Gindi, « Evaluation of the effectiveness of passive design strategies in achieving thermal comfort in residential buildings in Egypt ».
R.S. Li, « Building orientation effects on Hvac energy performance: educational BUILDING analysis in China'S hot-summer-cold-winter zone », J. Surv. Constr. Prop. 16 (1) (2025) 118–132.
K. Alshuhail, « Thermal performance and experimental assessment of building orientations in the United Arab Emirates (UAE) », Sci. Technol. Built. Environ. 26(10) (2020) 1461–1489.
T.M. Yunus Khan, « Optimum location and influence of tilt angle on performance of solar PV panels », J. Therm. Anal. Calorim. 141 (1) (2020).
Zaynab EL KRIMI, El Mehdi EL KHATTABI, Sofia CHERIFZAOUI, Mohamed AIT ALAMA, Mohammed BOUSSETTA, Mourad BOUTAHIR, Mohammed ZOUINI, « Impact of orientation and glazing type on indoor thermal performance: A case study of a multi-apartment building under Moroccan climatic zones », Scientific African 31 (2026) e03187; doi:10.1016/j.sciaf.2026.e03187.
Harshalatha & Shantharam Patil, « Interaction effect of courtyard building form and orientation on energy performance of hospitals in warm, humid climate », Scientific Reports (2026) 16:9790; doi:10.1038/s41598-026-40632-1.
Ahmed A. E., Suwaed M. S., Shakir A.M., Ghareeb A., « The impact of window orientation, glazing, and window-to-wall ratio on the heating and cooling energy of an office building: The case of a hot and semi-arid climate », J. Eng. Res. 2023, 13, 409–422.
Alwetaishi M., « Impact of glazing-to-wall ratio in various climatic regions: A case study », J. King Saud Univ. Eng. Sci. 2019, 31, 6–18.
Abed H. M. H., « Effect of building form on the thermal performance of residential complexes in the Mediterranean climate of the Gaza Strip. », https://iugspace.Iugaza. edu.ps/handle/20.500.12358/19699.
Liu L., Li H., Lazzaretto A., Manente G., Tong C., Liu Q., Li N., « The development history and prospects of biomass-based insulation materials for buildings », Renew. Sustain. Energy Rev. 2017, 69, 912–932.
Cosentino L., Fernandes J., Mateus R., « A Review of Natural Bio-Based Insulation Materials. », Energies 2023, 16, 4676.
Nathalie Santamaria-Herrera, Jorge Otaegi and Inigo Rodriguez-Vidal, « A review of recent advances in the application of cereal straw for decarbonization of construction materials and applications », Sustainability 2026, 18, 65; doi:10.3390/su18010065.
Geß A., Lorenz M., Tolsdorf A., Albrecht S., « Environmental Impacts of Renewable Insulation Materials », Sustainability 2021, 13, 8505.
International Residential Code ICC Digital Codes., « Appendix AS Strawbale Construction. 2021 ». [En ligne]. Disponible sur: https://codes.iccsafe.org/content/IRC2021V3.0/appendix-as-strawbale construction
« German Straw Bale Construction Association FASBA Fachverband Strohbalenbau Deutschland », e. V. Strohbaurichtlinie SBR 2024; SBR: Hamburg, Germany, 2024.
« French Straw Building Network RFCP », RCP. Reglas Profesionales de Construcción con Paja. Aislamiento y Soporte de Revestimiento Reglas CP 2012; Bioarquitectura, Groupe Moniteur, Icaria Editorial: Barcelona, Spain, 2016; ISBN 978-84-9888-650-4.
Bennett J., Butler J., Jones B., Sutherland E., « Straw Construction in the UK; Interreg North-West Europe UP STRAW », Todmorden, UK, 2022.
Verbeeck G., Ponet J., « Straw Bale Houses in a Moderate Climate. Adaptable to Meet Future Energy Performance Requirements? », Hasselt University: Hasselt, Belgium, 2012.
Sabapathy K. A., Gedupudi S., « Straw Bale Based Constructions: Measurement of Effective Thermal Transport Properties », Constr. Build. Mater. 2019, 198, 182–194.
Koh C.H.A., Kraniotis D., « Hygrothermal Performance, Energy Use and Embodied Emissions in Straw Bale Buildings », Energy Build. 2021, 245, 111091.
Domenico Palladino, Flavio Scrucca, Nicolandrea Calabrese, Grazia Barberio, Carlo Ingrao, « Durum-wheat straw bales for thermal insulation of buildings: findings from a comparative energy analysis of a set of wall-composition samples on the building scale », Energies 14 (17) (2021) 5508, doi:10.3390/en14175508.
Jaradat M., Al Majali H., et Bendea C., Bungau C. C., Bungau T., « Enhancing Energy Efficiency in Buildings through PCM Integration: A Study across Different Climatic Regions ».
Riyadh Alturki, Ali B. M. Ali, Omar J. Alkhatib, Ibrahim Mahariq, « Numerical study on thermal performance of microencapsulated PCM-integrated concrete blocks », International Journal of Energy Research, 2026; 2026:3337656; doi:10.1155/er/3337656.
Chao Jia, Xiaoying Geng, Fudan Liu, Yanna Gao, « Thermal behavior improvement of hollow sintered bricks integrated with both thermal insulation material (TIM) and Phase-Change Material (PCM) », Case Studies in Thermal Engineering Volume 25, June 2021, 100938; doi:10.1016/j.csite.2021.100938.
Ghafoorian F., Mehrpooya M., Mirmotahari S. R., Shafiee M., « Enhancing Thermal Comfort in Buildings: A Computational Fluid Dynamics Study of Multi-Layer Encapsulated Phase Change Materials–Integrated Bricks for Energy Management », Fluids 2025, 10, 181. doi:10.3390/fluids10070181.
Gohar Gholamibozanjani and Mohammed Farid, « A critical review on the control strategies applied to PCM-enhanced buildings », Energies 2021, 14, 1929. doi:10.3390/en14071929.
Naif Albelwi, Mounir Ltifi, Omar J. Alkhatib, Pradeep Kumar Singh, Ibrahim Mahariq, Raouf Hassan, Yahya Rahmani, Mahidzal Dahari, « CFD investigation of PCM/PMMA enhanced CMUs with dual hollow sections for improved thermal performance in cold and freezing climates », Climates. Sci Rep (2026). doi:10.1038/s41598-026-43809-w.
Al-Yasiri Q, Szabó M, « Numerical analysis of thin building envelope-integrated phase change material towards energyefficient buildings in severe hot location », Sustain Cities Soc. 2023;89: 104365.
Hylke E. Beck, Niklaus E. Zimmermann, Tim R. McVicar, Noemi Vergopolan, Alexis Berg & Eric F. Wood., « Data descriptor: present and future Köppen-Geiger climate classification maps at 1-km resolution. », Sci. Data 5:180214; DOI:2018.214.
Andreas KARITNIG, Phil. Peter KNOL, « Comparison of the two building simulation environments TRNSYS and DesignBuilder », Mémoire de Master. Institut de Physique, Université de Graz, 2008.
EnergyPlus Version 26.1.0, « Documentation. Engineering Reference U.S. Department of Energy; March 31, 2026 ». [En ligne]. Disponible sur: https://energyplus.net/documentation
Rahul Kumar Sharma, Ashish Kumar, Dibakar Rakshit, « Performance analysis of an HVAC system retrofitted with nano-enhanced phase change material-based heat exchanger ».
Larochelle Martin, Danielle Monfet, « Comparison of EnergyPlus inside surfaces convective heat transfer coefficients algorithms for energy modelling of high-density controlled environment agriculture », Energy & Buildings 319 (2024) 114568; doi:10.1016/j.enbuild.2024.114568.
Abdelkader Laafer, Thanina Hammouma, Abir Hmida and Mahmoud Bourouis, « Comprehensive review of Phase Change Materials for building applications: passive, active and hybrid systems (2022-2025) », Energies 2026, 19, 1151; doi:10.3390/en19051151.
SINTA Rivel, K. M. Nematchoua, R. Chrysostôme, R. S. Richard, « Effect of straw bale insulation on indoor thermal comfort in school building under tropical climates », Case Studies in Thermal Engineering 75 (2025) 107161; doi:10.1016/j.csite.2025.107161.
FUCHS Stéphane, KRUMM Olivier, CAUDERAY Elsa, « La construction en botte de paille », Lausanne, mars 2009.
FASBA, « Thermal Performance: Strawbale Building, Research Development 2003–2009 », FASBA: Norwalk, NY, USA, 2009.
Conti L., Barbari M., Monti M., « Steady-State Thermal Properties of Rectangular Straw-Bales (RSB) for Building », Buildings 2016, 6, 44.
R. Gallegos-Ortega, T. Magana-Guzman, J.A. Reyes-Lopez, M.S. Romero-Hernandez, « Thermal behavior of a straw bale building from data obtained in situ: A case in Northwestern Mexico », Building and Environment 124 (2017) 336–341, doi:10.1016/j.buildenv.2017.08.015.
Douzane O., Promis G., Roucoult J. M., Le A. D. T., Langlet T., « Hygrothermal performance of a straw bale building: In situ and laboratory investigations », J. Build. Eng. 2016, 8, 91–98.
« What Is the Modulus of Elasticity of Concrete? 9 Important Points ».
Nekoonam S, Pourfayaz F., « Selection of appropriate configuration for optimal cascaded thermal energy storage system under the effect of outlet threshold temperature constraint », J Storage Mater 2023;66:107417.
M. Taheri, F. Pourfayaz, R. Habibi, A. Maleki., « Energy analysis of charge and discharge processes of thermal energy storage system with various phase change materials: a comprehensive comparison », J Therm Sci 2024;33(2):509–21.
Mahboube Roostaei Firouzabad, Fathollah Pourfayaz, « The impact of using PCM layers in simultaneously the external and internal walls of building on energy annual consumption », Energy Conversion and Management: X 24 (2024) 100689; doi:10.1016/j.ecmx.2020.100689.
ASHRAE. Guideline 14-2002, « measurement of energy and demand savings », Atlanta. Georgia: ASHRAE; 2002.
Baruch Givoni, « Comfort, climate analysis, and building design guidelines », Energy and Buildings, 18 (1992) 11-23.
Fanger P., « Thermal Comfort: Analysis and Applications in Environmental Engineering », McGraw Hill, New York (1970).
Firmo Sousa Campos, Valéria Cristina Rodrigues Sarnighausen, Carla Dos Santos Riccardi, « Outdoor environment management through air enthalpy analysis. », International Journal of Biometeorology (2019) 63:1525-1532; doi:10.1007/s00484-019-01675-4.
Toftum J., Jørgensen A. S., Fanger P. O., « Upper limits of air humidity for preventing warm respiratory discomfort », Energy Build. 1998, 28, 15–23.
Prevost-Manuel J., « How Hot Is Too Hot for Humans? Understanding Wet-Bulb Temperatures ». [En ligne]. Disponible sur: https://www.cbc.ca/news/science/how-hot-is-too-hot-for-human-understanding-wet-bulb-temperatures-1.6088415
Chow D., « Deadly ‘Wet-Bulb Temperatures’ Are Being Stoked by Climate Change and Heat Waves. NBC News », https://www.nbcnews.com/science/science-news/wet-bulb-temperature-weather-average-climate-human-heat-wavercna27478.
Ganaie A., « Explained! How Harmful Is Rising Incidence of Fatal Wet-Bulb Temperature for Humans? », https://www.digpu.com/health/surge-in-measles-cases-mandates-catch-up-immunization-campaigns.
The Economist, « The Increasing Frequency of Fatal Wet-Bulb Temperatures », https://www.economist.com/theeconomist-explains/2022/05/13/the-increasing-frequency-of-fatal-wet-bulb-temperatures?
Zeyad Amin Al-Absi, Muhammad Asif, Mohd Isa Mohd Hafizal, « Numerical investigation and parametric analysis of PCM-based lightweight panels for wall's exterior cladding », Case Studies in Thermal Engineering 65 (2025) 105654; doi:10.1016/j.csite.2024.105654.
Dhayanithi J., Tapano Kumar Hotta, « Optimization of temperature distribution in building envelopes pf Ahmedabad region using nano-encapsulated phase change material », Energy and Built Environment 6 (2025) 796-808; doi:10.1016/j.enbenv.2024.03.004.
U. Bordoloi and B. Das, « Enhancing thermal comfort in buildings through the integration of phase change material on the building envelope: a simulation study », IOP Conf. Series: Earth and Environmental Science 1372 (2024) 012089; doi:10.1088/1755-1315/1372/1/012089.
M'hamdi Y, Baba K, Tajayouti M, and Nounah A., « Energy, environmental, and economic analysis of different buildings envelope integrated with phase change materials in different climates », Solar Energy 243 91–102 (2022).
Mustafa Özdemir and Ayça Gülten, « Effect of phase change materials on building heating and cooling load considering different wall combinations », JOURNAL OF DESIGN FOR RESILIENCE IN ARCHITECTURE & PLANNING, volume 5, issue 3, (363-377), 2024; DOI: 10.47818/DRArch.2024.v5i3137.
Said M. A. IBRAHIM, Abdelrahman A. SHAHEEN, « THERMAL PERFORMANCE ENHANCEMENT FOR BUILDINGS USING PHASE CHANGE MATERIALS (PCMs) », acta mechanica et automatica, vol. 20 no.1 (2026); DOI: 10.65731/ama/2026-0013.
J. Lei, J. Yang, E.-H. Yang, « Energy performance of building envelopes integrated with 925 phase change materials for cooling load reduction in tropical Singapore », Appl. Energy. 926 162 (2016) 207–217.
Jiang Liu, Yan Liu, Liu Yang, Tang Liu, Chen Zhang, Hong Dong, « Climatic and seasonal suitability of phase change materials coupled with night ventilation for office buildings in western China », Renewable Energy 147 (2020) 3566373; doi:10.1016/j.renene.2019.08.069.
Wijewardane M. A., Figurado S. A., Kajaharan M., Weerasinghe N.D.A.M. and Ranasinghe R.A.C.P., « Applicability of Pcms (Phase Change Materials) for Peak Load Shifting of Air Conditioning and Mechanical Ventilation (Acmv) Systems of Office Buildings in Tropical Climates ».
Sana Dardouri, Ekrem Tunçbilek, Othmen Khaldi, Müslüm Arici, and Jalila Sghaier, « Optimizing PCM integrated wall and roof for energy saving in building under various climatic conditions of Mediterranean Region », Buildings 2023, 13, 806. doi:10.3390/buildings13030806.
Adetoye M. Aderinsola, Oladipo Dare-Abel, Olatunde Arayela & Oluwatoyin O. Ajayi, « Evaluating thermal comfort standards of residential housing in tropical climates: A systematic review », African Scholar Publications & Research International vol. 08 NO. 4, 2025; DOI: doi:10.70382/ajbegr.v8i4.045.
Tajudeen Dele Mustapha, Ahmad Sanusi Hassan, Muhammad Hafeez Abdul Nasir, Hilary Omatule Onubi, « An investigation of thermal comfort in classrooms in the tropical savanna climate », Journal of Advanced Research in Applied Sciences and Engineering Technology 29, issue 1 (2022) 62-75; doi:10.37934/araset.29.1.6275.
Hussein Ibrahim, M. Hazrin A. Rahman, and Tina Maria, « Field studies on thermal comfort of air-conditioned and non-air-conditioned buildings in Malaysia », the 3rd International Conference on Energy and Environment (ICEE), pp. 360-368. IEEE, 2009. doi:10.1109/ICEENVIRON.2009.5398622.
Mishra, Asit Kumar, and Maddali Ramgopal, « A thermal comfort field study of naturally ventilated classrooms in Kharagpur, India », Building and Environment 92 (2015): 396-406. doi:10.1016/j.buildenv.2015.05.024.
Muruganantham K., Phelan P., Horwath P., Ludlam D., McDonald T., « Experimental investigation of a bio-based phase change material to improve building energy performance », Energy Sustain. 2010, 43949, 979–984.
Réglementation Environnementale 2020 (RE2020), « Ministère de la Transition Écologique et Solidaire. (2020) », Journal Officiel de la République Française.
Asrun Safiuddin, Abdin Abdin, « Thermal Comfort Study of Classroom Spaces in Relation to Building Orientation in Educational Buildings in Kendari City », Adv. Soc. Sci. Edu. Human. Res. 922, doi:.
Brandt Andersson, Wayne Place, Ronald Kammerud, and M. Peter Scofield, « The impact of building orientation on residential heating and cooling », ENERGY & ENVIRONMENT DIVISION Avril 1983.
Rifar Manani, Cut Nursaniah, Irin Caisarina, « The influence of building orientation on thermal performance in Palapa village housing, Khokseumawe », International Journal of Architecture, Arts and Applications 2026, Vol. 12, No. 1, pp. 1-16; doi:10.11648/j.ijaaa.20261201.11.
Pape Moussa Toure, Younouss Dieye, Prince Momar Gueye, Vincent Sambou, Seckou Bodian, Sumailla Tiguampo, « Experimental determination of time lag and decrement factor ».
M. Bueno, A. A. de Paula Xavier, and E. E. Broday, « Evaluating the connection between thermal comfort and productivity in buildings: A systematic literature review », MDPI AG (2021). doi: 10.3390/buildings11060244.
Mukhaya Ismankhodjaeva, Bakhridin Khasanov, Arif Uzakov, Shakhzod Almardanov, Sitora Kudratova, Rustambek Kuldoshev, « Thermal Performance Evaluation of Bio-Based Insulation Materials in Residential Buildings Across Continental Climates », E3S Web of Conferences 692, 04002 (2026); doi:10.1051/e3sconf/202669204002.
Aia A. Qindil, Esraa Elazab, Mohamed M. Shawky Abou Liela., « BioPCM-integrated bright façade for hospitals: thermal performance across floor levels in a hot-arid climate », Mansoura Engineering Journal 51 (2026) 1-19; doi:10.58491/2735-4202.3367.
GlobalPetrolPrices, « Madagascar Energy Prices ».
Nicol J. F., Raja I. A., Allaudin A., & Jamy G. N., « Climatic variations in comfort temperatures: the Pakistan projects », Energ. Buildings, 30(3), 261–279. (ISSN0378-7788). doi:.
J. Fergus Nicol & Susan Roaf, « Rethinking thermal comfort ».
Modeste Kameni Nematchoua, Jose A. Orosa, Cinzia Buratti, Esther Obonyo, Donghyun Rim, Paola Ricciardi, Sigrid Reiter, « Comparative analysis of bioclimatic zones, energy consumption, CO2 emission and life cycle cost of residential and commercial buildings located in a tropical region: A case study of the big island of Madagascar », Energy 202 (2020) 117754; doi:10.1016/j.energy.2020.117754.
Ekrem Tunçbilek, Müslüm Arıcı, Michal Krajčík, Sandro Nižetić, Hasan Karabay, « Thermal Performance Based Optimization of an Office Wall Containing PCM under Intermittent Cooling Operation. », Applied Thermal Engineering (2020), doi: doi:10.1016/j.applthermaleng.2020.115750.
Köse E., Manioglu G., « Evaluation of the Performance of a Building Envelope Constructed with Phase-Change Materials in Relation to Orientation in Different Climatic Regions ».
Nematchoua M. K.,Vanona J. C., José A. Orosa.Energy Efficiency and Thermal Performance of Office Buildings Integrated with Passive Strategies in Coastal Regions of Humid and Hot Tropical Climates in Madagascar.Appl. Sci. 2020, 10, 2438; doi:10.3390/app10072438