Experimental and numerical study on energy dissipation in freely cooling granular gases under microgravity<xref rid="cpb_27_8_084501_fn1" ref-type="fn">*</xref> <fn id="cpb_27_8_084501_fn1"><label>*</label><p>Project supported by the National Natural Science Foundation of China (Grant Nos. U1738120 and 11474326).</p></fn>

Experimental and numerical study on energy dissipation in freely cooling granular gases under microgravity* *

Project supported by the National Natural Science Foundation of China (Grant Nos. U1738120 and 11474326).

Wang Wen-Guang^{1, 2}, Hou Mei-Ying^{1, 2, †}, Chen Ke^{1, 2}, Yu Pei-Dong³, Sperl Matthias³

(color online) Plots of (1 − e²) ∼ 1/τ are both straight lines with and without considering friction. The straight line (blue) with considering friction shifts upward with respect to the straight line (green) without considering friction.