Sentence examples for variable speed pump from inspiring English sources

The tailings flowrate controlled by a variable speed pump was used as the main control variable.

Savings about 95% were obtained when one variable speed pump group was included in the optimal solution.

The first uses a constant flow pump, while the second and third control schemes employ a variable speed pump, where the solar collector (SC) set-point temperature could be either fixed or adjusted to the required demand.

Major modifications of the existing elutriation devices include using a variable speed pump, changing the glass column to plastic, and adding screens at the flow inlet for more uniform velocity distribution while making the column shorter.

The sand column was then saturated with deionized water by allowing upward flow to minimize air entrapment using a variable speed pump (Fluid Metering, Syosset, NY, USA) until steady-state flow condition was achieved (Fig. 2).

The working alternative required the coupling of a mechanical pump (QV variable speed pump, Fluid metering, Inc., NY) with the illustrated custom made jet pump.

Direct current motors are used for variable speed pumps and emergency pumps.

The common thermostat and mechanical pump are replaced by smart valves, variable speed pumps, and adjustable radiator fans.

The retrofit focused on waterside technologies: Variable frequency drives (VFDs), constant and variable speed pumps, and pressure-independent control valves.

The proposed approach also offers better energy performance in general compared to the designs all using variable speed pumps.

This paper presents the nonlinear control of a Fully-Fed Synchronous Machine based Variable Speed Pumped Storage Plant (FFSM PSP).