Fluid-handling or transfer devices are not basically concerned with the modulation or transfer of power, but only with the movement of fluid. Two major types of fluid-transfer pumps are ...

Variable-frequency drives (VFDs), allow a much wider operating range on selected electric submersible pump (ESP) equipment than might otherwise be possible. This can be beneficial when an ESP is ...

Hydraulic oil ranks high among fluids with multi-function capability. True, for sheer utility, it can’t match olive oil, which through the centuries has been used as food, lubricant, fuel, medicine, ...

A German research team has investigated the use of zeotropic fluid mixtures as the working fluid in high-temperature heat pumps (HTHP). Zeotropic mixtures consist of two or more fluids with varying ...