TY - CPAPER AU - Adrian Ciocănea TI - A NUMERICAL ANALIYSIS ON INCREASING THE HEAT-EXCHANGE EFFICIENCY FOR UNGLAZED TRANSPIRED SOLAR COLLECTORS T2 - SGEM International Multidisciplinary Scientific GeoConference EXPO Proceedings; 18th International Multidisciplinary Scientific GeoConference SGEM2018, Energy and Clean Technologies PY - 2018 SP - 81 EP - 88 DO - 10.5593/sgem2018/4.1/s17.011 PB - STEF92 Technology ER -