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The urban problems of energy conservation and land scarcity can be effectively addressed by subterranean architecture. The aim of this research paper is to examine and compare the adaptive thermal comfort, and thus energy efficiency provided in underground construction incorporating passive design strategies, and an overground structure with no passive strategies in a composite climatic area like Delhi, in adherence to ASHRAE Standard 55-2023. Grasshopper is used for conducting simulations, with Honeybee and Ladybug components, with the findings indicating a noticeably greater thermal comfort rates in underground building (91.5%) as compared to the overground (72.7%). Moreover, the study was able to successfully address the SDGs 3, 7, 9, 11, 12, and 13, providing a universally resilient and sustainable design framework.

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A Comparative Adaptive Thermal Comfort Analysis of Passive Underground and Overground Structures in Composite Climates

  • 会议论文

  • 发表日期：

    2026年

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  • Lavanya Pant,
  • Subhash Chandra Devrath,
  • Aditi Nag

摘要

The urban problems of energy conservation and land scarcity can be effectively addressed by subterranean architecture. The aim of this research paper is to examine and compare the adaptive thermal comfort, and thus energy efficiency provided in underground construction incorporating passive design strategies, and an overground structure with no passive strategies in a composite climatic area like Delhi, in adherence to ASHRAE Standard 55-2023. Grasshopper is used for conducting simulations, with Honeybee and Ladybug components, with the findings indicating a noticeably greater thermal comfort rates in underground building (91.5%) as compared to the overground (72.7%). Moreover, the study was able to successfully address the SDGs 3, 7, 9, 11, 12, and 13, providing a universally resilient and sustainable design framework.