Abstract
Heat pumps are becoming increasingly popular and are playing an important role in the heat and cooling supply chain of buildings sector. Although more than 160 years have passed since the manufacture of the first heat pump, this technology, designed to recover lowpotential heat energy and its useful use, can be called an innovative and efficient energy transformer. Airtowater and airtoair heat pumps are becoming more popular today due to their installation cost compared to groundtowater heat pumps. It has been noticed that recently airtoair heat pumps are more often installed in modern air handling units. The main energy transformers in these air handling units are the airtoair heat pump and recovery heat exchanger. In the scientific literature little attention is paid to the thermodynamic cycle of the combination of the air handling unit and the heat pump, as well as the search for new possibilities to change and control it, this is a potential direction that can increase the efficiency of the whole system. To study the control capabilities of the unit, an experimental stand of the heat pump built into the ventilation unit is needed; it would help validate the results of theoretical studies and investigate the possibilities of expanding the control. Therefore, this paper presents a review of the experimental stands of nonintegrated heat pumps and integrated heat pumps in air handling unit. Based on this review, the basic requirements for the installation of an experimental stand of a heat pump built into an air handling unit are formulated and a conceptual scheme of this stand is drawn up.
Highlights
This paper presents a review of the experimental stands of non-integrated heat pumps and integrated heat pumps in air handling unit
Toks eksperimentinio stendo sprendi mas leistų atlikti šilumos siurblio termodinaminio ciklo tyrimus, išmatuoti tyrėjus dominančius veikimo parame trus, deramai identifikuoti vykstančius procesus
Summary
VĖDINIMO ĮRENGINIO ŠILUMOS SIURBLIO EKSPERIMENTINIO TYRIMO STENDAS Mokslinėje literatūroje mažai dėmesio skiriama vėdinimo įrenginio ir šilumos siurblio derinio termodinaminiam ciklui bei naujų galimybių paieškai jį keisti ir valdyti, o tai potenciali kryptis, kuri galėtų pagerinti visos sistemos efektyvumo rodiklius. Siekiant tyrinėti įrenginio valdymo galimybes, reikalingas į vėdinimo įrenginį integruoto šilumos siurblio eksperimentinis stendas, kuris padėtų validuoti teorinių tyrimų rezultatus bei atskleisti valdymo praplėtimo sprendinius.
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