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By United Nations Economic Commission for Europe Committee on Electric Power (Auth.)

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Read or Download Combined Production of Electric Power and Heat. Proceedings of a Seminar Organized by the Committee on Electric Power of the United Nations Economic Commission for Europe, Hamburg, Federal Republic of Germany, 6–9 November 1978 PDF

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Extra info for Combined Production of Electric Power and Heat. Proceedings of a Seminar Organized by the Committee on Electric Power of the United Nations Economic Commission for Europe, Hamburg, Federal Republic of Germany, 6–9 November 1978

Sample text

Fulga, G. Diac, S. Vasile, G. Sofran, Paun and H. Popescu, Intreprinderea Electrocentrale Bucaresti. 37 Technical and Economic Aspects of the Combined Production of Electric Power and Heat Consolidated Report prepared by V· Koritnikov, general rapporteur Institute Vnipienergoprom, Moscow, USSR The present report is based on 26 reports from 10 countries. As is emphasized in the reports, there has recently been a growing interest in the combined production of electric power and heat not only from the technical and economic point of view but also from the point of view of energy conservation and environmental protection /_ 1/.

Valasek (_ 21/ on heat supply to the city of Prague, supplies from several CHP plants and DH plants including long distance piping from the Melnik CHP plant, gives details of hydraulic and thermal regimes of a large system and also methods of laying heat distribution networks. The description of the system is exhaustive and the treatment of the problem is thorough. The effect of a future large nuclear CHP plant is also taken into account. The report of D. Bublitz j_ 23/ on a three-pipe DH system by an electric and energy joint-stock company is of interest.

Two new convectors, which are less expensive and more compatible with operating constraints, were being tested in 1978. They used closed-circuit cooling water. The heating of greenhouses by trickling has yielded excellent results, even with open-circuit cooling water. Soil heating, which is still being evaluated, would appear to be a useful technique for inducing early growth in open field market-garden crops. These experiments are being continued in close co-operation with the professional organizations concerned.

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