Thiti Chanchayanon

1. Introduction 1.1. Urban Heat Island Effect and Limitations of Conventional Air Source Heat Pumps The urban heat island effect demonstrates the impact of urbanization on local climate, where dense concentrations of buildings, roads, and heat-absorbing materials significantly increase temperatures in cities compared to their rural surroundings [1]. This effect is particularly noticeable at night, as surfaces such as asphalt and concrete slowly release the heat accumulated during the day [2].

Preprint Review Version 1 This version is not peer-reviewed Version 1 : Received: 14 September 2024 / Approved: 15 September 2024 / Online: 16 September 2024 (10:11:03 CEST) Chanchayanon, T.; Chaiprakaikeow, S.; Jotisankasa, A.; Inazumi, S. Improving Urban Energy Efficiency with Ground Source Heat Pump Systems Integrated with Energy Piles. Preprints 2024, 2024091167. https://doi.org/10.20944/preprints202409.1167.v1 Chanchayanon, T.; Chaiprakaikeow, S.; Jotisankasa, A.; Inazumi, S.

1. Introduction In the construction of smart cities, implementing energy piles and assessing heat transfer within the ground is paramount for efficient and sustainable urban development. The use of shallow geothermal systems, also known as ground source heat pump (GSHP) systems, utilizes the geothermal energy available beneath the surface to provide either heating or cooling resources.