Solar Cooling and Heating 2018

Dear Colleagues,

“Solar Cooling and Heating 2018” is a continuation of the previous and successful Special Issue “Solar Cooling and Heating”.

Solar heating and cooling (SHC) systems are a promising technology which may significantly contribute to the reduction of greenhouse gas emissions, the enhancement of energy efficiency, and the increase of renewables share in the building sector. To reduce the primary energy consumption due to space heating and cooling in residential and commercial buildings, more effective policies have been defined, as recommended by the recent international global agreements regarding new national emissions targets by 2025 or 2030 (Paris, December 2015, COP21).

In the last decades, researchers and institutions are devoting a particular effort in the investigation of effective measures for the energy efficiency and the development of renewable energy based technologies for building applications. Among the available technologies, supported by global actions, SHC systems have attained a significant attention, enhancing the portfolio of solar energy technologies to be applied in buildings. In fact, SHC systems are capable of greatly exploiting the solar radiation to provide building space heating and cooling all over the year. In addition, the use of energy in refrigeration can significantly reduce the growth of the electric energy demand, especially during summer. In SHC systems, solar thermal energy is generally obtained by means of solar thermal collectors (flat plate, evacuated tubes, parabolic trough, etc.). Produced thermal energy may be directly used for heating purposes and domestic hot water preparation or supplied to thermally-driven chillers for cooling energy production.

Therefore, SHC systems show an interesting market potential, playing a worldwide leading role in the long term future. A significant effort in terms of research, demonstration projects, and incentive policies has been made in the last decades, also toward the increase of the SHC systems market uptake, limited by the system capital cost. Different novel configurations of SHC systems have been developed by combining different standard and emerging technologies of solar thermal collectors, photovoltaic collectors, thermal energy storage, electrical and thermally-driven chillers/heat pumps. Researchers and institution are also involved in the investigation of performance of SHC systems by means of dynamic simulations, thermoeconomic optimizations, exergetic analyses, experimental data, etc. Nevertheless, to increase the SHC market uptake, research and development of novel system configurations, successful demonstration projects, and effective incentive policies are more and more required.

In this framework, this Special Issue aims at collecting recent and relevant studies dealing with solar heating and cooling technology.

Prof. Dr. Francesco Calise
Prof. Dr. Massimo Dentice d’Accadia
Prof. Dr. Annamaria Buonomano
Guest Editors

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• solar cooling
• solar heating
• solar collectors
• absorption refrigeration
• adsorption chiller
• desiccant cooling
• ejector cooling
• dynamic simulations
• experimental analyses