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Khavanov P. A, Chulenyov A. S. The Dependence of the Efficiency of the Condensing Boiler by use and Climatic zone. Biosci Biotechnol Res Asia 2015;12(3)
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The Dependence of the Efficiency of the Condensing Boiler by use and Climatic zone

Pavel Aleksandrovich Khavanov and Anatoly Sergeevich Chulenyov

Moscow State University of Civil Engineering, Russia, 129337, Moscow, Yaroslavskaya Road, 26.

DOI : http://dx.doi.org/10.13005/bbra/1985

ABSTRACT: We considered and analyzed heat engineering parameters of condensing boilers in the autonomous heating systems. The technique of tests of condensation boilers is developed. Presented resulting cumulative process, cooling and drying the flue gas condensing boilers in the id of the combustion products chart. We considered and analyzed the test results of wall gas condensing boilers Baxi Duo Tec Compact and De Dietrich Innovers PRO MCA 45 under different operating conditions. We were analyzed according to the temperature and enthalpy of the flue gas heat loss from the physical warmth of the flue gas, the efficiency of the boiler temperature of the coolant. Shows the change of heat losses from exhaust gases and in the actual full cooling of the flue gases, and the difference between the values of the moisture content of the flue gases at various temperatures of the coolant at the boiler inlet temperature and the dew point. The obtained relationships shown in the graphs, draw conclusions about the performance of the condensing heat generator for various operating modes. Presented and analyzed the results of the evaluation time of the boilers in condensing mode by constructing graphs of temperature for some cities in Russia in various climatic zones. Shows selected climate indices that characterize the probable duration of the heat sources in the condensing mode, and are a necessary material for their account in the analysis of the value of the efficiency of the boiler in the annual cycle of his work. Analyzed according to duration of the boiler condensing mode of the estimated ambient temperature and boiler efficiency of the coolant temperature at the inlet to the heat exchanger of the boiler. Based on climatic data, conclusions were drawn about the value of the efficiency of the gas condensing boiler.

KEYWORDS: Condensing boiler; heat-engineering parameters; heat; flue gas; heat losses; efficiency

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Khavanov P. A, Chulenyov A. S. The Dependence of the Efficiency of the Condensing Boiler by use and Climatic zone. Biosci Biotechnol Res Asia 2015;12(3)

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Khavanov P. A, Chulenyov A. S. The Dependence of the Efficiency of the Condensing Boiler by use and Climatic zone. Biosci Biotechnol Res Asia 2015;12(3). Available from: http://www.biotech-asia.org/?p=4690

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