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Photothermal Conversion
In article number 2304946, Qingyu Peng, Xiaodong He, and co‐workers report a dual‐protective MXene/polyimide composite film with ultralow thermal conductivity and outstanding electromagnetic interference (EMI) shielding performances. The authors develop a novel method to balance the contact thermal resistance and Kapitza resistance. The composite film also presents excellent...
The thriving 5G communication technology leads to the high demand for EMI shielding materials and thermal management materials. Particularly, portable thermal‐sensitive electronic devices have more stringent requirements for thermal insulation performances. In most cases, ultrathin EMI shielding materials integrated with ultralow thermal conductivity are not easy to be achieved. To overcome this obstacle,...
Direct numerical simulations (DNS) were performed to investigate the interactions of a Mach 2.9 turbulent boundary layer with shock waves of varying strengths in compression corner. The supersonic turbulent boundary layer was triggered by wall blowing-and-suction perturbations. The shock waves were produced by two-dimensional compression corners of 8, 14, 20 and 24°. Compared with previous DNS results...
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