The average sewage ejector pump cost is $2,500, but a typical range is $100 to $6,500. The cost to install a sewage ejector pump is largely based on the type of pump, the material and capacity, labor ...

Ejector refrigeration systems constitute a promising alternative to traditional compressor-based technologies by utilising low-grade thermal energy to drive cooling processes. These systems harness ...

This is a preview. Log in through your library . Abstract It is important not only to increase a thermal efficiency of a spark ignition engine, but also to decrease a driving loss of auxiliary ...