Experimental study on vertical void for improving natural ventilation in midrise double-loaded apartmentsNikhil Kumar, Haruka Kitagawa, Muhammad Nur Fajri Alfata, Tasuku Maeda, Daiki Nakahara, Tetsu Kubota, Takashi Asawa, Yukari Hirayama and Andhang Rakhmat TrihamdaniE3S Web of Conf., 396 (2023) 02024DOI: https://doi.org/10.1051/e3sconf/202339602024