CFD Eulerian model History of engineering & technology Mittag–Leffler function Nu number Technology: general issues atomization auxiliary feedwater system block-pulse operational matrix cavitation complex particle shapes computational fluid dynamics conical swirl atomizer effervescent-swirl atomizer efficiency of atomization process energy and light harvesting fixed-bed reactor fractional-order integro-differential equation friction factor heat transfer heat transfer coefficient heat transfer enhancement in-service testing irreversibility losses laplace transform mechanism of effervescent-swirl atomization melting heat transfer micro- and macro-parameters of the atomized liquid micro-channel micro-fins