- 41. Improvement of the central ejector efficiency under nonoptimal operating modes
- (Geotechnical and mining mechanical engineering, machine building)
- ... справочный материал, программное обеспечение.Ч.1. / Г.М. Дунчевский // Одесса: ОПИ, 1992. – 66 с. Dunchevsky, G.M. (1992), [Hydraulic Calculation Jetting Pumps and Systems. Theory, Reference Material, ...
- Created on 27 October 2015
- 42. Electromagnetic processes in the electric model of cenrtifugal pump
- (Electrical complexes and systems)
- ... of the semiconductor converters of electrical energy developed by the authors. They can be used as electric models of electric centrifugal pumps. The converter is asymmetric because of the different parameters ...
- Created on 10 July 2014
- 43. Analysis of the ways of increase of borehole pump axial stages effectiveness
- (Geotechnical and mining mechanical engineering, machine building)
- ... Abstract: Purpose. Determination of promising ways of raising the efficiency of the small-sized axial-flow stages with low specific speed designed for use in artesian borehole pumps for water supply. ...
- Created on 11 May 2014
- 44. Methodology of analysis and improvement of modes of district heating systems with direct connection of consumers
- (Power supply technologies)
- ... to network (via mixing valve or heating point with mixing pumps) using respective formalized methods. Methodology. The methodology provides common approach to all elements of district heating systems ...
- Created on 21 March 2014
- 45. Energy efficiency of the electric motor as a criterion for electromechanical aggregates working range selection
- (Electrical complexes and systems)
- ... 4. Gulich, J. (2010), “Centrifugal Pumps”, Springer Heidelberg Dordrecht, London, New York. ...
- Created on 24 December 2013
- 46. Solid phase motion in intermittent vertical flow
- (Geotechnical and mining mechanical engineering, machine building)
- ... of drill hole by means of submersible vacuum displacement pumpset. We already have scientific substantiation of this possibility only for stationary flow. The influence of the intermittent flow on the ...
- Created on 13 August 2013
- 47. The possibilities of application of two-stage heat pump units in geothermal heating systems
- (Mechanics and Mining Machinery)
- Authors: Redko A.O., Kharlampidi D.Kh. The possibility of application of two-stage heat-pump units for geothermal heat supply with underground circulating system of thermal ...
- Created on 24 December 2012
- 48. On the issue of alternative energy sources use in Ukraine. Geothermal energy
- (Mining)
- ... Холод М+Т, 2006, №2 Ovcharenko V.A. The use of heat pumps / V.A. Ovch-arenko, A.V. Ovcharenko // Kholod M+T, 2006, No.2 9. Закон України про альтернативні джерела енергії // Відомості Верховної ...
- Created on 21 November 2012
- 49. Utilization of the mine water exhausts heat by means of the heat pump. Hot-water supply plant
- (Innovative projects 2012)
- ... from the coal and ore mines, is a carrier of geothermal heat, but its temperature (12 ... 26oC) is not high enough to be used directly for heating or hot water supply. By means of heat pumps we can raise ...
- Created on 11 October 2012