Synthesize of the integrative trigeneration system for a «solar house» in the Middle East region

Morozyuk, Larisa; Denysova, Alla; Alhemiri, Saad Aldin

doi:10.15587/1729-4061.2019.156129

Cited by 1 publication

(1 citation statement)

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“…In the first case, the variable parameter is the time instant that corresponds to the beginning of the heating mode [6], when there is no reserve of thermal power at low outdoor temperatures [7,8]. In this case, an important factor is the length of the on-time heating period.…”

Section: Introductionmentioning

confidence: 99%

Enhancing Efficiency of Using Energy Resources in Heat Supply Systems of Buildings With Variable Operation Mode

Klymchuk

Denysova

Balasanian

2020

EUREKA: Physics and Engineering

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As a research result, characteristic indicators of the efficiency of using various heat sources in combined heat supply systems were determined. During the study, various schemes for integrating heat accumulators in heat supply systems were considered. Water was used as a battery, which also acts as a coolant. Mathematical modeling of processes in combined heat supply systems using intermittent heating is carried out. The characteristic operating modes of the elements of heat supply systems that take into account the operating modes of heat consumers are determined. Mathematical modeling was carried out using a software package that allows to obtain the distribution of heat power of the heat supply system by its main elements and its characteristic operation modes. According to the research results, a coefficient of thermal power reduction and a coefficient of efficiency of using the heat accumulator volume were proposed. These coefficients allow to evaluate the efficiency of heat sources and the efficiency of using the volume of the heat storage tank. Based on the obtained data, the task was set to optimize the daily load of the heat source, taking into account the installation of the storage tank. The research results can be used for the reconstruction of heat supply systems of buildings with a two-period operation mode (operation duty) using both traditional and renewable heat sources. This will significantly increase the efficiency of the use of elements of the heat supply system, even out the daily heat generation schedule and increase the service life of the main equipment

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Section: Introductionmentioning

confidence: 99%