March 17, 2026 • US-Israeli airstrikes on oil depots culminated in ‘black rain’ in Iran early last week – a phenomenon usually caused by large amounts of soot, carbon and other pollutants in the air.

Abstract: This paper compares the performance of Proportional-Integral-Derivative (PID) controller tuning methods for a heat exchanger process using MATLAB simulations. The effectiveness of two ...

Abstract: The blast furnace hot-blast stove is a regenerator where the checkerwork heating and cooling processes take place in series. Several hot-blast stoves combined into a block are used for ...