Drag reduction characteristics of heated spheres falling into water<xref rid="cpb_27_12_124703_fn1" ref-type="fn">*</xref><fn id="cpb_27_12_124703_fn1"><label>*</label> <p>Project supported by the National Natural Science Foundation of China (Grant No. 11672094).</p></fn>

Drag reduction characteristics of heated spheres falling into water**

Project supported by the National Natural Science Foundation of China (Grant No. 11672094).

Li Jia-Chuan, Wei Ying-Jie^†, Wang Cong, Xia Wei-Xue

Surface states of the spheres at 20-cm underneath water surface at T_s = 400 °C (a), 600 °C (b), and 800 °C (c), with water temperature maintained at 25 °C in all cases.