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Summary The current coronavirus pandemic has reached global proportions and requires unparalleled collective and individual efforts to slow its spread. One critically important issue is the proper sterilization of physical objects that have been contaminated by the virus. Here, we review the currently existing literature on thermal inactivation of coronavirus (SARS‐CoV‐2) and present preliminary guideless on temperatures and exposure durations required to sterilize. We also compare these temperatures/exposure durations with potential household appliances that may be thought capable of performing sterilization.

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A numerical simulation has been performed to assist in evaluating vertical-axis Savonius-style wind turbines. The simulation was fully three-dimensional and unsteady. Through the simulation, it was possible to assess the performance of a wind turbine that possessed novel features such as wing venting and blade caps. Results from the simulation were compared with experimental data and it was found that they were in general agreement. The simulations provide continuous information regarding air-flow patterns and velocity distributions during the rotation. Representative patterns of flow are shown.

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