|
|
|
|
|
Christos Sammoutos, Angeliki Kitsopoulou, Panagiotis Lykas, Evangelos Bellos and Christos Tzivanidis
The exploitation of solar irradiation is a critical weapon for facing the energy crisis and critical environmental problems. One of the most emerging solar technologies is the use of solar towers (or central receiver systems) coupled with high-performanc...
ver más
|
|
|
|
|
|
|
|
|
|
|
Evangelos Bellos, Panagiotis Lykas and Christos Tzivanidis
The exploitation of renewable energy sources in the building sector is a challenging aspect of achieving sustainability. The incorporation of a proper storage unit is a vital issue for managing properly renewable electricity production and so to avoid th...
ver más
|
|
|
|
|
|
|
|
|
|
|
Evangelos Bellos, Panagiotis Lykas, Dimitrios Tsimpoukis, Dimitrios N. Korres, Angeliki Kitsopoulou, Michail Gr. Vrachopoulos and Christos Tzivanidis
The goal of this investigation is the thorough analysis and optimization of a solar-assisted heat pump heating unit for covering the space heating demand for a building in Athens, Greece. The novelty of the studied system is the use of a high-temperature...
ver más
|
|
|
|
|
|
|
|
|
|
|
Evangelos Bellos, Panagiotis Lykas and Christos Tzivanidis
|
|
|
|
|
|
|
|
|
|
|
Evangelos Bellos, Panagiotis Lykas and Christos Tzivanidis
Heat and flow enhancement is a critical weapon for the design of highly efficient, compact, and cost-effective devices. The objective of this analysis is the detailed examination of the implementation of different fin shapes on the internal side of a tub...
ver más
|
|
|
|
|
|
|
|
|
|
|
Evangelos Bellos and Christos Tzivanidis
|
|
|
|
|
|
|
|
|
|
|
Evangelos Bellos and Christos Tzivanidis
The objective of the present work is the investigation of a novel polygeneration system for power, refrigeration and heating production at two temperature levels. The present system uses CO2 as the working fluid, which is an environmentally friendly flui...
ver más
|
|
|
|
|
|
|
|
|
|
|
Evangelos Bellos and Christos Tzivanidis
The parabolic trough solar collector (PTC) is the most mature solar concentrating technology, and this technology is applied in numerous thermal applications. Usually, the thermal efficiency of the PTC is expressed with the aid of polynomial expressions....
ver más
|
|
|
|
|
|
|
|
|
|
|
Evangelos Bellos, Ioannis Sarakatsanis and Christos Tzivanidis
The objective of the present work is the study of different thermal storage systems for a solar-fed organic Rankine cycle (ORC) system that operates with parabolic trough collectors. The conventional design with sensible thermal oil storage is compared w...
ver más
|
|
|
|
|
|
|
|
|
|
|
Evangelos Bellos and Christos Tzivanidis
The objective of this work is the financial optimization of a solar-driven organic Rankine cycle. Parabolic trough solar collectors are used as the most mature solar concentrating system and also there is a sensible storage system. The unit is examined f...
ver más
|
|
|
|
|
|