Abstract
The focus of this research paper is to develop a verified simulation model for a cooling panel with integrated phase-change materials (PCMs)—a stainless steel panel filled with PCM and integrated hydronic piping circuit. This solution is targeted for passive cooling of residential buildings in Baltic Sea region that experience overheating for most of the year due to highly insulated building envelopes and extensive glazing—a phenomena for nearly zero energy buildings (NZEBs). This approach aims to maintain comfortable indoor temperature all year round by passive means—free-cooling, adiabatic (evaporative) cooling or limited mechanical cooling. The simulations are performed with IDA ICE 4.8 and the measurements for simulation model verification are collected from a test chamber. The results show that reasonable agreement can be reached for simulated and experimentally measured data.
Highlights
For the last few decades, the need for cooling of indoor premises has risen in Central European as well as Northern European climates
This study focuses on the development and verification of a simulation model for a cooling panel with integrated phase-change materials (PCMs)—a stainless steel container filled with PCM and an integrated hydronic circuit
The IDA ICE model for the cooling panel was validated against experimentally measured data in a test chamber
Summary
For the last few decades, the need for cooling of indoor premises has risen in Central European as well as Northern European climates. Another commonly applied method is the use of PCMto air heat exchanger that can be integrated in a hybrid ventilation and heating/cooling system In this case, the problem of full solidification and melting can be overcome due to greatly increased heat transfer coefficients between the air and the PCM material as well as the heat transfer area by choosing a proper thickness of air passages and PCM layers [16,17,18]. This study focuses on the development and verification of a simulation model for a cooling panel with integrated PCM—a stainless steel container filled with PCM and an integrated hydronic circuit This model could further be used for faster, simpler, more accurate energy modeling and heating ventilation and air conditioning HVAC system sizing. To perform a series of experiments with PCM panels in a test chamber; To develop a validated simulation model of the PCM panel using IDA ICE 4.8 [27,28] and measurements from the test chamber; To perform a simulation case study using the validated simulation model of the PCM panel and compare it with the results from other similar studies
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