Abstract
The work provides a method of determining the number of energy components of the heating system of residential individual buildings with air-to-water heat pumps in the conditions of changing potential of heat-containing environment for different climatic areas. On the basis of the analytical and empirical dependencies obtained, reflecting the connection between the energy indicators of the heating-heat pump system, the heating system and heat pumps were analyzed during the heating period. Graphic dependences on energy consumption and thermal energy production on climatic characteristics - temperature and duration of its standing for the characteristic points of the country’s climatic zones - “moderate-cold,” “moderate” and “warm with mild winter” are given. Conclusions have been drawn about the possibility and prospects of using heat pumps as heat generators in heating systems.
Highlights
Obtaining thermal energy from renewable sources is an attractive idea in itself, but the effectiveness of this process depends on the potential of the original - heat-containing environment and the features of the thermodynamic cycle of devices
Individual heating systems are generally focused on their own thermal energy generator, based on the conversion of primary energy
This paper provides the results of the assessment of thermal energy generation by air-water heat pumps during the heating period in the conditions of the changing potential of the heatcontaining environment - outdoor air
Summary
Obtaining thermal energy from renewable sources is an attractive idea in itself, but the effectiveness of this process depends on the potential of the original - heat-containing environment and the features of the thermodynamic cycle of devices (heat generators). The required capacity of heat generators is relatively small (10-40) KW, which presents a variety of options for selecting equipment from traditional water boilers to devices using renewable energy of the atmosphere, natural water sources, soil with relatively low temperature potential [1,2,3,4,5]. The heating system's heat consumption regime during the operating period is not constant and depends on the nature of the change in the temperature of the outdoor air. It is important to present the real characteristics of heat generators used in heating systems, in order to objectively assess their capabilities and select the calculation parameters
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