Building heating source choice using exergoeconomic approach

• Autorzy: Deshko V. I. , Buyak N. A.
• Języki publikacji: EN

Abstrakty

EN

Energy saving is the one of the most promising direction of state policy development, that can provide the solution of a number of economical and ecological problems as well as sustainable development conditions. Residential and municipal sector consumes a large part of energy around the world in general and specifically in Ukraine (about 33%) [1]. Major part of fuel and energy resources consumption is accounted for natural gas - 57.61% and thermal energy - 19.12% [1]. Since Ukraine is the importer of natural gas, the improvement of the energy efficiency is the promising direction of residential and municipal sector development. The principle of decentralization on the basis of distributed generation [2] is ultimate for the development of residential and municipal sector heat supply system [3]. In this context the heat source selection is important as well as consideration of building along with heat source. As regards building as the energy system [4, 5], which includes heat source, exergy analysis has got widespread use in this direction [6-8]. Combination of exergy and ecology enabled the development of the new discipline exergoecology and the exergy flows cost estimate gave rise to exergoeconomics. Special "hybrid procedure" of exergetic processes flow optimization - "thermoeconomics" was developed in the USA by M. Trybus and R. Evans [9]. Exergoeconomics (thermoeconomics) is the unique combination of exergy and cost analyses, where the principle of exergy cost is applied [10]. Basic terms within exergy and exergoeconomy analysis are: fuel exergy, product exergy, destruction of exergy and exergy loss. Definitions, terms and common denominations used within exergy and exergoeconomy analysis are identified in [11]. Exergoeconomics is frequently used for buildings and heat sources in particular for geothermal heat supply system [12], for heating systems [13]. The specific energy cost method SPECO gained widespread application analysis of exergy flows in buildings [14]. The author [15] has placed greater focus on three stages of SPECO method namely: 1) exergy flows assessment, 2) definition of the terms "fuel" and "product", 3) cost balance estimation and additional equations. Exergoeconomic analysis evolution is identical to exergy one and has developed in emergence of modern exergoeconomic analysis (ALEXERGO) [15]. This method was used for assessment of the system with LNG regasification plant and electric generator unit [17] and characteristics estimation of essential heating system components in the building [16] and in other works.

Słowa kluczowe

EN

exergoeconomics; heating system; energy efficiency; thermoeconomics

• Wydawca: Kielce University of Technology
• Czasopismo: Journal of New Technologies in Environmental Science
• Rocznik: 2017
• Tom: Vol. 1, nr 4
• Strony: 150--157
• Opis fizyczny: Bibliogr. 24 poz., rys., tab., wykr., wzory

Twórcy

autor

Deshko V. I.

• National Technical University of Ukraine “Igor Sikorsky Kyiv Politechnic Institute”

autor

Buyak N. A.

• National Technical University of Ukraine “Igor Sikorsky Kyiv Politechnic Institute”

Bibliografia

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Uwagi

PL

Opracowanie rekordu w ramach umowy 509/P-DUN/2018 ze środków MNiSW przeznaczonych na działalność upowszechniającą naukę (2018).