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E. I. Boguslavskii
E. I. Boguslavskii
Saint-Petersburg Mining Design-Engineering Company PiterGORproyekt
Russia
Saint-Petersburg Mining Design-Engineering Company PiterGORproyekt
Russia
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Articles

  • Date submitted
    2016-12-14
  • Date published
    2010-03-01

Thermal, power and economic parameters of innovative technology of development of nearsurface geothermal deposits

Deficiency of organic fuel and necessity of protection of environment cause growth of rates of development practically inexhaustible, everywhere widespread and ecologically pure geothermal resources. For needs of a heat supply especially actively developing innovative technology of development of near-surface geothermal resources has great value. Operative mining of the production schedules containing optimum parametres and indicators PSGT is necessary for designing and building of near-surface systems of a geothermal heat supply (PSGT). The imitating economic-mathematical model is developed, the algorithm and the program of their optimisation are created. Computer calculations for a wide range of natural, power and economic conditions are carried out. Key parametres and indicators PSGT are defined. Their optimum values for a heat supply of local consumers (apartment houses) in the conditions of the Yaroslavl area are recommended.

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E. I. Boguslavskii (2010) Thermal, power and economic parameters of innovative technology of development of nearsurface geothermal deposits. Journal of Mining Institute. Vol 187. p. 16.
  • Date submitted
    2016-12-14
  • Date published
    2010-03-01

Heatmasstransfer to nearsurface geothermal systems

The paper is concerned with mathematical modeling of heat and mass transfer in subsurface geothermal systems. Heat exchanger is driven as a vertical channel in an impermeable rock massive. The temperature of rock is driven in accord with a usual thermal conductance equation on a cylinder coordinates basis. The boundary conditions between the rock and heat exchanger are given by the equality of a thermal flow. 

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E. I. Boguslavskii, N. N. Smirnova, S. V. Egorov (2010) Heatmasstransfer to nearsurface geothermal systems. Journal of Mining Institute. Vol 187. p. 24.
  • Date submitted
    2017-04-20
  • Date published
    2017-04-25

Technology and economics of near-surface geothermal resources exploitation

The paper presents economic justification for applicability of near-surface geothermal installations in Luga region, based on results of techno-economic calculations as well as integrated technical and economic comparison of different prediction scenarios of heat supply, both conventional and using geothermal heat pumps (GHP). Construction costs of a near-surface geothermal system can exceed the costs of central heating by 50-100 %. However, operation and maintenance (O&M) costs of heat production for geothermal systems are 50-70 % lower than for conventional sources of heating. Currently this technology is very important, it is applied in various countries (USA, Germany, Japan, China etc.), and depending on the region both near-surface and deep boreholes are being used. World practice of near-surface geothermal systems application is reviewed in the paper. 

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E. I. Boguslavskii, V. V. Fitsak (2017) Technology and economics of near-surface geothermal resources exploitation. Journal of Mining Institute. Vol 224. p. 189. DOI: 10.18454/pmi.2017.2.189