Faculty of Mechanical Engineering


Assoc. Prof. Dr Aleksandar Georgiev


Address: Room 4237, Department of Mechanics, Technical University of Sofia, branch Plovdiv, 25 Zanko Djustabanov str., 4000 Plovdiv, Bulgaria 

E-mail: AGeorgiev@gmx.de 

Tel.: +359 32 659513 

Home: +359 32 649785 


Polytechnical University of Valencia, Spain (June 2005).  

Technical University FSM, Valparaiso, Chile (Oct 2001 - Oct 2003) - Guest Researcher in 2 fields (Ground Source Heat Pumps; Sun tracking devices and measurements with them);  

University of Siegen, Germany (March 1992 - Feb 1993) - Guest researcher in the project "Refrigerating by means of high temperature solar collectors and absorption refrigerating machine".  


Renewable Energy Sources: 

Seasonal Ground Heat Accumulation and Ground Source Heat Pumps: 

A. Georgiev, A. Busso, P. Roth. Shallow Borehole Heat Exchanger: Response test and Charging - Discharging test with solar collectors. "Renewable Energy", 2006, V. 31 (7) p. 971-985. 

P. Roth, A. Georgiev, A. Busso, E. Barraza. First In-situ Determination of Ground and Borehole Thermal Properties in Latin America. "Renewable Energy", 2004, V. 29 (12) p. 1947-1963. 

Sun following systems and corresponding measurements: 

R. Cordero, P. Roth, A. Georgiev, L. DaSilva. Climatology of surface ultraviolet-radiation at Valparaiso, Chile. "Energy Conversion and Management", 2005, V. 46 (18-19) p. 29072918. 

Roth, P., Georgiev, A., Boudinov, H. Cheap two-axis sun-following device. "Energy Conversion and Management", 2005, V. 46 (7-8) p. 1179-1192. 

A. Georgiev, Roth, P., Olivares, A. Sun Following System Adjustment in UTFSM. "Energy Conversion and Management", 2004, V. 45 (11-12) p. 1795-1806. 

Roth, P., Georgiev, A., Boudinov, H. Design and construction of a system for sun-tracking. "Renewable Energy", 2004, V. 29 (3) p. 393-402. 

Combined heating systems with solar collector: 

A. Georgiev. Testing solar collectors as an energy source for a heat pump. "Renewable Energy", 2008, V. 33 (4) p. 832-838. 

A. Georgiev. Simulation and experimental results of a vacuum solar collector system with storage. "Energy Conversion and Management", 2005, V. 46 (9-10) p. 1423-1442. 

A. Georgiev. Mathematical Modeling of Vacuum Solar Collector with Heat Pipe and Flat Plate Absorber. Brennstoff, Waerme, Kraft (BWK), 1993, N 12, p.527-534 (in German).