ABSTRACT: Gill structures in scallops were examined by scanning electron microscopy (SEM), and gill function and particle capture were studied by means of video-microscope observations and numerical ...

Variable frequency drives (VFDs), also known as variable speed drives (VSDs), are used to modulate the speed of motors in various applications, from hydronic water pumping to VAV fan units to vacuum ...

Recently, individuals opposed to the PolyMet copper-nickel mining project raised concerns about a potential northward flow of wastewater into the Boundary Waters Canoe Area Wilderness, which is in the ...

Flow reversal in piping systems can degrade equipment performance and cause significant water hammer, potentially resulting in catastrophic failure. Power plant condenser cooling water systems—or ...