- 41. Assessment of PVT-technology efficiency in combined solar power plants
- (Electrical complexes and systems)
- ... solar power plants. Cooling of the solar cells is carried out by means of the coolant which is the cycle fluid of the steam turbine cycle. Purpose. To determine the quantitative indicators ofcombined ...
- Created on 16 April 2013
- 42. Analytical evaluation of the degree of rock massif cooling in deep mine by means of borehole preceding the face of the development heading
- (Environmental safety, labour protection)
- Authors: V.A. Boyko, O.A. Boyko The mathematical model of cooling action for rock massif on the way of penetration of development working as a way of deep mine excavation ...
- Created on 05 January 2013
- 43. Assessment of heat pump technology of air turbocompressor waste heat utilization
- (Geotechnical and mining mechanical engineering, machine building)
- Authors: V.I. Samusia, Yu.I. Oksen, M.V. Radiuk Heat pump technology efficiency assessment for air turbocompressor waste heat utilization subject to cooling water temperature ...
- Created on 26 December 2012
- 44. Physical processes of powder-gas cloud emission during mass explosions in opencast mines
- (Ecology)
- ... of mixture of gases, volume, law of motion of gases and dust at their getting up, amount of warmth, given in an atmosphere at cooling off. ...
- Created on 21 December 2012
- 45. Study of rock massif heat equalizing cover influence on quantity of heat penetration into heading of a deep mine of Donbass
- (Environmental safety, labour protection)
- ... temperature of 40–70. Authors have analyzed possible ways of rocks cooling acceleration around mine workings. An engineering method for calculating of parameters of the heat equalizing cover of mine workings ...
- Created on 22 November 2012
- 46. Preliminary assessment of heat flow from rock massif into headings and ways of its reducing for microclimat normalization in deep mines of Donbass
- (Environmental safety, labour protection)
- ... of specific heat flux for the main types of rocks of deep horizons (sandstone, shale and limestone) during cooling of the rock mass by air flow moving in the tunnel with different speed. Authors proposed ...
- Created on 21 November 2012
- 47. Assessment of heat flow from rock massif into headings of deep mines of Donbass and cold air input required for normalization of microclimate in them
- (Environmental safety, labour protection)
- ... – Р. 106–113. Boyko V.A. Analytic estimation of rock massif cooling system in deep mine with use of borehole advance coal-face: Nаukovyi visnyk NHU No.11–12 / V.A. Boyko, O.A. Boyko. – Dnepropetrovsk: ...
- Created on 20 November 2012
- 48. Aspects of solution of the problem of energy consumption reduction at mining in deep mines of Donbass
- (Environmental safety, labour protection)
- ... О.А. // Науковий вісник НГУ – Днепропетровск: 2010.– №11–12.– С. 106–113 Boyko, V.A. and Boyko, O.A. (2010), “Analytical evaluation of the degree of rock massif cooling in deep mine by means of ...
- Created on 16 November 2012
- 49. Substantiation of method of formation of ice hydrate blocks with the purpose of transporting and storage of hydrate generating gas
- (Mining)
- ... on the method of refrigeration of gas hydrate cylinder. Time required for adiabatic and convective cooling process was calculated. The empirical models of cooling processes are offered. References: ...
- Created on 16 November 2012
- 50. Mathematical simulation of crystallization process in application to prognostication of structure of hard-tempered from the liquid state metals
- (Solid-state physics, mineral processing)
- ... Abstract: Purpose. To forecast the structure of metals and alloys hard-tempered from the liquid state and to determine the optimal modes of cooling of the melt for obtaining of the required structure ...
- Created on 14 November 2012