ISSUE 20



Kyiv National University of Construction and Architecture (KNUCA)

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VENTYLIATSIIA, OSVITLENNIA TA TEPLOHAZOPOSTACHANNIA

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V. Voloshchuk, PhD, doctoral student. National Technical University of Ukraine “Igor Sikorsky Kyiv Polytechnic Institute”, Kyiv, Ukraine, volodya-28@yandex.ru
O. Hrytsyna, PhD, associate professor. National University of Water and Environmental Engineering, Rivne, Ukraine, o.o.hrytsyna@nuwm.edu.ua
М.V. Bliashynа, PhD, assistant professor. National University of Water and Environmental Engineering, Rivne, Ukraine, mariya_m2007@ukr.net
V. Zhukova, PhD, senior lecturer. National Technical University of Ukraine “Igor Sikorsky Kyiv Polytechnic Institute”, Kyiv, Ukraine, veronika_vv@ukr.net


Assessment of Domestic Waste Water Potential for In-House Heat Pump Systems


Abstract. A preliminary assessment of the possibilities of utilizing domestic waste water as a low-temperature source for a heat pump is made in the paper. Based on energy balance and heat transfer equations and analysis of thermodynamic cycle of the heat pump it is shown that in case of domestic usage this source can be regarded mostly as an opportunity to improve the efficiency and reliability of the heat pump. In conditions of Ukraine such type of thermal energy source can cover small share of heat demand – 8…15 %. Although it is possible to increase this share to 30…40 % with the help of existing technologies of improving thermal performance in a building. Possible solutions of utilizing domestic used water in home heating equipment are proposed and analyzed.


Key words: sewage, individual house, heat pump installation


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