Reducing The Operating Costs Of An Apartment Building

Circulation pumps are mechanical devices, which are used to create the overpressure required for the transportation of a heat-transfer medium in heating technology as well as in other related technologies. In a circulation pump the mechanical energy generated by the drive machine – an electric motor...

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Main Authors: Takács Ján, Rácz Lukáš
Format: Article
Language:English
Published: Sciendo 2015-09-01
Series:Slovak Journal of Civil Engineering
Subjects:
Online Access:http://www.degruyter.com/view/j/sjce.2015.23.issue-3/sjce-2015-0015/sjce-2015-0015.xml?format=INT
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author Takács Ján
Rácz Lukáš
author_facet Takács Ján
Rácz Lukáš
author_sort Takács Ján
collection DOAJ
description Circulation pumps are mechanical devices, which are used to create the overpressure required for the transportation of a heat-transfer medium in heating technology as well as in other related technologies. In a circulation pump the mechanical energy generated by the drive machine – an electric motor is transformed to hydraulic energy, which consists of kinetic and static energy. In the pipeline of a heating system circulation pumps represent a source of hydraulic energy (positive differential pressure), which is consumed to transport the heat-transfer medium. During the flow, the heat-transfer medium puts up resistance to the so-called passive resistors, which consist of pressure losses from friction in the pipes and pressure losses due to local resistance. In this article the authors analyze the effect of a circulation pump on the operating costs in an apartment building. Different types of circulating pumps, ranging from the most unfavorable to the optimal, were selected.
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spelling doaj.art-9170116448d54141b29b130659aac95d2022-12-21T23:15:07ZengSciendoSlovak Journal of Civil Engineering1210-38961338-39732015-09-01233283210.1515/sjce-2015-0015sjce-2015-0015Reducing The Operating Costs Of An Apartment BuildingTakács Ján0Rácz Lukáš1 Slovak University of Technology in Bratislava Faculty of Civil Engineering, Department of Building Services, Radlinského 11, 810 05 Bratislava, Slovakia Slovak University of Technology in Bratislava Faculty of Civil Engineering, Department of Building Services, Radlinského 11, 810 05 Bratislava, SlovakiaCirculation pumps are mechanical devices, which are used to create the overpressure required for the transportation of a heat-transfer medium in heating technology as well as in other related technologies. In a circulation pump the mechanical energy generated by the drive machine – an electric motor is transformed to hydraulic energy, which consists of kinetic and static energy. In the pipeline of a heating system circulation pumps represent a source of hydraulic energy (positive differential pressure), which is consumed to transport the heat-transfer medium. During the flow, the heat-transfer medium puts up resistance to the so-called passive resistors, which consist of pressure losses from friction in the pipes and pressure losses due to local resistance. In this article the authors analyze the effect of a circulation pump on the operating costs in an apartment building. Different types of circulating pumps, ranging from the most unfavorable to the optimal, were selected.http://www.degruyter.com/view/j/sjce.2015.23.issue-3/sjce-2015-0015/sjce-2015-0015.xml?format=INTCirculation pumpenergy efficiencyenergy saving
spellingShingle Takács Ján
Rácz Lukáš
Reducing The Operating Costs Of An Apartment Building
Slovak Journal of Civil Engineering
Circulation pump
energy efficiency
energy saving
title Reducing The Operating Costs Of An Apartment Building
title_full Reducing The Operating Costs Of An Apartment Building
title_fullStr Reducing The Operating Costs Of An Apartment Building
title_full_unstemmed Reducing The Operating Costs Of An Apartment Building
title_short Reducing The Operating Costs Of An Apartment Building
title_sort reducing the operating costs of an apartment building
topic Circulation pump
energy efficiency
energy saving
url http://www.degruyter.com/view/j/sjce.2015.23.issue-3/sjce-2015-0015/sjce-2015-0015.xml?format=INT
work_keys_str_mv AT takacsjan reducingtheoperatingcostsofanapartmentbuilding
AT raczlukas reducingtheoperatingcostsofanapartmentbuilding