State and Development in Pump Technology

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Pump technology is of considerable interest owing to a number of reasons, namely: 1. pumps are the second most numerous group of machines in use, after electric motors, 2. pumps use up to 25% of electrical energy generated, 3. modernization of pumps and pump installations can result in a 20% reduction in power consumption or more, 4. pump quality is the basic condition for efficient and reliable operation of the majority of industrial processes, municipal facilities, mining, etc. Pump technology now has the possibility of progress, due mainly to overcoming two obstacles: imperfections in methods of classical hydro-mechanics for designing flow channels and inaccuracy of pump control. The first serves to enhance pump efficiency and the second enables the proper design and operation of pump systems.
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