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4.061  Articles
1 of 407 pages  |  10  records  |  more records»
Many years of experience in the operation of oilfield equipment during underground well repair shows that ensuring the reliability and durability of the pumping units used is one of the main elements of the process chain, largely determined by the quality... see more

As the vibration signal characteristics of hydraulic pump present non-stationary and the fault features is difficult to extract, a new feature extraction method was proposed .This approach combines wavelet packet analysis techniques, fuzzy entropy and LLT... see more

This paper presents the design of parameters of  hydraulic ram pump and hydraulic turbine to use  the energy of flowing water for water supply to generate electrical power and irrigation. Design of  parameters of hydraulic ram pump with hea... see more

The object of research is a data model that characterizes the pumping units of main oil pipelines. The paper considers the creation of pumps database and their characteristics as a component of software systems designed to search for sources of energy sav... see more

The object of research is a data model that characterizes the pumping units of main oil pipelines. The paper considers the creation of pumps database and their characteristics as a component of software systems designed to search for sources of energy sav... see more

Test of assessing a suitability of the phase trajectory pattern for diagnostics of condition changes of axial piston pumps is undertaken in the presented paper. Accomplishment reasons of investigations together with their laboratory realizations are given... see more

At present times, in the context of rising fuel and energy prices the energy saving is very actual phenomenon. A better building insulation and the replacement of large transparent constructions will significantly reduce heat loss of the building. The hyd... see more

At the prerotation control there is an adjustable blade row before the pump impeller for producing a peripheral component of the inlet flow velocity. The effect of prerotation is changing along the H - Q characteristic and the range of control depends on ... see more

En el presente trabajo se realiza la modelación y simulación de una bomba centrífuga a través de métodos numéricos aplicando técnicas de dinámica de fluidos computacional. La investigación permitió obtener las características de comportamiento de la bomba... see more

1 of 407 pages  |  10  records  |  more records»