Curriculum Vitae

 

 

Personal Data

Fragos v

 

 

Name:                      Vassilios fragos

possition:            ASSISTANT PROFESSOR

Address:               University Campus, Aristotle University of Thessaloniki (AUTh), Faculty of Agriculture, Forestry and Natural Environment, Department of Hydraulics, Soil Science and Agricultural Engineering, 54124, Thessaloniki, Greece.

Tel:                          +302310991764, Mob.: +306972554311

Fax:                           +302310991794

Email:                        fragos@agro.auth.gr

Websites :                http://users.auth.gr/fragos/

Date of Birth:      19 December 1967

Marital Status:  Married, three  children

 

 

        

 

 

Expertise

 

 

 

computational fluid mechanics, thermodynamics, pump systems,  finite elements.

 

        

 

 

           

Studies 

 

 

 

Undergraduate Studies

 

·                    Bachelor Degree in Agriculture, Aristotle University of Thessaloniki, (September 1990). Grade: Very Good (7.55/10.00).

 

Postgraduate Studies

 

·                    MSc in Land Reclamation, Aristotle University of Thessaloniki, (October 1998 - July 2001).

·                    Ph.D in Computational Fluid Dynamics, Aristotle University of Thessaloniki., Title of the PhD thesis: “Solving turbulent airflow around mounted obstacle with direct numerical simulation” Grade: Excellent.

 

Work Experience

 

 

 

 

In June 2010, I was elected Lecturer in the Faculty of Agriculture, Forestry and Natural Environment,  School of Agriculture, AUTh, with the scientific subject “Agricultural Engineering - Pumps ”.

In April 2015, I was elected Assistant Professor in the Faculty of Agriculture, Forestry and Natural Environment,  School of Agriculture, AUTh, with the scientific subject “Agricultural Engineering - Pumps ”.

 

 

 

 

Research Area

 

 

 

Computational fluid mechanics, Simulation of laminar and turbulent air flows in wind tunnel, Wind tunnel modeling, Thermodynamics, Pump systems, Pump cavitation, Air pumps, Internal and external environment of agricultural structures, Solar systems.

Teaching Activity

 

 

 

 

Since 2004, I teach (co-teaching) the following courses in the Faculty of Agriculture, AUTh.

Undergraduate Courses:

·       MeteorologyClimatology (exercises 2004-2010)

·       Statistics (exercises 2004-2009)

·       Principles of Fluid Mechanics

·       Mechanical Harvesting of Farm Crops

·       Electric Motors and Pumps

·       Farm Mechanization

·       Farm Machinery Management

·       Greenhouses

·       Biosystem engineering

Postgraduate Courses:

·        Environment-Setting Control Beast -

trophic Construction & Greenhouses

·       Applied Thermodynamics

·        Energy Resources Management

·        Special Topics of Agricultural Mechanics   

 

 

 

Research Activity

 

 

 

 

I worked / I am working as a researcher in the following projects:

·             Archimedes - Support to Research Groups of TEI”: Numerical experiments in laminar and turbulent flow, 2004-2006.

·           Enhancement of Research Activity in Aristotle University of Thessaloniki - 2012”  : Aiiflow Patterns  Around Agicultural Buildings - Natural Ventilation - Direct Simulation, 1-2-2013 – 31-1-2014.

·           FP7 REGPOT Project: GREEN-AgriChains: Innovation Capacity Building by Strengthening Expertise and Research in the Design,
Planning and Operations of Green Agrifood Supply Chains
- European Community’s Seventh Framework Programme (FP7-REGPOT- 2012-2013-1) under Grant Agreement No. 316167.

                                   

Reviewer

 

 

 

Ø  Journals: 

·         Engineering Applications of Computational Fluid Mechanics

·         Chemical Engineering Science-Elsevier

  • Applied Energy-Elsevier

 

Ø  Hellenic Society of Agricultural Engineering

 

SCIENTIFIC PUBLICATIONS

     

1.      Ntinas G.K., Fragos V.P., Nikita-Martzopoulou Ch., July 19-23, 2015 “Optimization of Solar Energy Storage System Inside a Greenhouse”, International Symposium on New Tchnologies and Management for Greenhouse, Greensys2015, Evora, Portugal.

2.      Fragos V.P.,  Kateris D.L.,   Ntinas G.K., Fifiris V.K., Kotsopoulos T.A., July 19-23,  2015 “ Effect of Ventilation Openings in Pressure Coefficient  on  Single Duo Pitched Roof Greenhouse”, International Symposium on New Tchnologies and Management for Greenhouse, Greensys2015, Evora, Portugal.

  1.  Ntinas G.K.,  Dados I.,  Kateris D.L.,   Fragos V.P.,  Kotsopoulos T.A., July 19-23,  2015 “ Extrenal Pressure Coefficient Over Two Single Span Greenhouses With Parabolic Roofs in  Tandem Arangement”, International Symposium on New Tchnologies and Management for Greenhouse, Greensys2015, Evora, Portugal
  2. Ntinas G.K,, Kotsopoulos T.A., Fragos V.P, Nikita-Martzopoulou Ch., 2015,  “Sustainable Tomato Production in Greenhouses by Using a Hybrid Solar Energy Saving System ”, 1st International Conference of Agrifood Supply Chain Management (SCM) and Green Logistics, Chalkidiki, Greece.
  3. Tamvakidis S., Firfiris V.K.,. Martzopoulou A,.  Fragos V.P,  Kotsopoulos T.A., 2015,  “Performance evaluation of a hybrid solar heating system for farrowing houses”, Energy and Buildings,  vol 97, pp 162-174.
  4. Ntinas G.K.,. Zhang  G,. Fragos  V.P,  Norton T., Martzopoulos  G.G., Sept. 16-19, 2014,“ Turbulent Flow around a Rib: Numerical vs. Wind Tunnel Experiments”, 18th World Congress of the International Commission of Agriculture and Biosystems Engineering (CIGR), Beijing, China.

7.      Ntinas G.K., Zhang G., Fragos V.P.,  2014,  “Airflow patterns around buildings: wind tunnel measurements and direct numerical simulation”, Acta Horticulturae, 1037:1009-1016.

  1. Fragos V.P., Ntinas G.K., Kateris D.L., July. 6-10, 2014, “Numerical estimation of external pressure coefficients of a pitched-type roof greenhouse and comparison with Eurocode in different flow-type circumstances” International Conference of Agricultural Engineering, AgEng, Zurich.
  2.  Ntinas G.K., Fragos V.P., Dados I., Zhang G.,, July. 6-10, 2014, “Dynamic umerical simulation of flow through a solar air heater having two successive rectangular ribs mounted on the wall” International Conference of Agricultural Engineering, AgEng, Zurich.

10.  Vogiatzis I, Denizopoulou Á.C., Ntinas G.K., Fragos V.P., 2014, “Simulation analysis of air flow and turbulence statistics in a rib grit roughened duct”, The Scientific World Journal, vol 2014, pp 1-10. 

11.  Ntinas G.K., Fragos V.P., Nikita-Martzopoulou Ch., 2014, “Thermal analysis of a hybrid solar energy saving system inside a greenhouse”, Energy Conversion and Management,  vol 81, pp 428-439.

12.  Ntinas G.K., Zhang G., Fragos V.P., Bochtis D.D., Nikita-Martzopoulou Ch., 2014, “Airflow Patterns  Around  Obstacles with Arched and Pitched Roofs: Wind Tunnel Measurements And Direct Simulation”, European Journal of Mechanics B/ Fluids, vol 43, pp 216-229.

13.  Vogiatzis I.I., Fragos V.P., Ntinas G K.,Martzopoulos G. G., 2013, “Effect of Rural Construction Geometry in Selecting Location for Small Wind”, 8th National Conference of Hellenic society of agricultural engineers, Volos, Greece.

14.  Denizopoulou A., Parotsidou M., Fragos V.P., Nikita-Martzopoulou Ch., 2013, “Study of the Effect of Height and Position of Ventilation Openings on the Microclimate of Rural Constructions Based on Two Dimensional Numerical Approach”, 8th National Conference of Hellenic society of agricultural engineers, Volos, Greece.

15.  Katsaiti C.A., Fragos V.P, Kotsopoulos T.A,. Nikita-Martzopoulou Ch., 2013, “Numerical Approach of the heat Transfer Coefficient on the External Surface of Agricultural Structures”, 8th National Conference of Hellenic society of agricultural engineers, Volos, Greece.

16.  Fifiris V.K, Kougias P.G , Kotsopoulos T.A,. Fragos  V, Martzopoulos  G.G, Nikita-Martzopoulou Ch., July 3 - 5, 2013, “Performance of a shallow geothermal heating system in greenhouses - Environmental and economic benefits, XXXV CIOSTA & CIGR V Conference, Billund, Denmark.

17.  Ntinas G.K., Fragos V.P., Nikita-Martzopoulou Ch., July 3 - 5, 2013, “Energy Contribution of a Hybrid Solar System Used as a Hydroponic Gutter inside a Greenhouse”,  XXXV CIOSTA & CIGR V Conference, Billund, Denmark.

18.   Ntinas G.K., Zhang G., Fragos V.P., Oct. 6-11,  2013, “Airflow Patterns  Around  Buildings:  Wind Tunnel Measurements And Direct Simulation” New Technologies for Environment Control,  Energy-saving and Crop Production in Greenhouse and Plant Factory, Greensys2013, ICC JEJU, Jeju, Korea.

19.  Shen X.,  Ntinas G.K., Guo-Qiang Zhang, Fragos V.P., August 1 to 4,  2012, “Steady and Unsteady CFD Simulation of Airflow Patterns around an Arched Type Roof Building and Validation with Wind Tunnel Experiment”,   The Second International Conference on Building Energy and Environment   (COBEE2012), Boulder, USA

20.  Ntinas G.K., Shen X., Guo-Qiang Zhang, Fragos V.P., July 8 to 12,  2012, “Investigation of Outdoor Airflow Distribution under Different Building Distances”, International Conference of Agricultural Engineering, CIGR-AgEng2012 ,  Valencia, Spain.

21.  Fragos V.P., Psychoudaki S.P., Malamataris N.A., 2012, “Two-dimensional numerical simulation of vortex shedding and flapping motion of turbulent flow around a rib”, Computers & Fluids, vol 69, pp 108-121.

22.  Kateris D.L., Fragos V.P., Kotsopoulos T.A, Martzopoulou  A.G.,  Moshou D., 2012,“Calculated external pressure coefficients on livestock buildings and comparison with Eurocode 1”, Wind and Structures,  An International Journal,, vol 15(6), pp 481-494.

23.  Kateris D.L., Kotsopoulos T.A,. Fragos V.P,   Nikita-Martzopoulou Ch, June 5-10,  2012 “ Numerical Estimation of Pressure Coefficients over Single and Multispan  Duo Pitched Roof Greenhouses”, Acta Horticulture (ISHS), vol 952, pp 155-161.

24.  Ntinas G.K, Kateris D.L,. Fragos V.P, Malamataris N.A., Nikita-Martzopoulou Ch., 2012, “Unsteady Computational Study of Airflow Characteristics around an Agricultural Structure Model”, Acta Horticulture (ISHS), vol 952, pp 185-190.

25.  Paraskevopoulou É., Ntinas G. K., Fragos V.P.,. Nikita-Martzopoulou Ch, November, 2011, “Numerical approximation of airflow inside an agricultural structure model”, 7th National Conference of Hellenic society of agricultural engineers, Athens, Greece

26.  Katsaiti C.A., Kateris D.L., Ntinas G.K.,. Fragos V.P,  Nikita-artzopoulou Ch.,  November, 2011, “Numerical simulation of turbulent airflow over á pitched-roof agricultural structure”, 7th National Conference of Hellenic society of agricultural engineers, Athens, Greece

27.  Dados N. J., Fragos, P V., Ntinas, K. G, Papoutsi-Psychoudaki, S., Nikita-Martzopoulou Ch., 2011. “Numerical simulation of airflow over two successive tunnel greenhouses”, Int. Agrophysics, vol 25, pp 333-342.

28.  Ntinas G.K., Kougias P. G., Fragos V.P., Martzopoulos G.G.,  September 24 to 27, 2011, “Numerical  Study of a Wind Turbine Type and Location  Used to Produce Energy For Ventilation, Heat Pumps and Water Pumping Systems In Agricultural Structures” 16th International Symposium on Environmental Pollution and its Impact on Life in the Mediterranean Region, Ioannina – Greece.

29.  Dados N. J., Kateris D.L., Psychoudaki S. P., Fragos V.P, 2009, “Two – Dimensional  Computational  Analysis Of Airflow Over Two Succesive Agricultural Sstructures”, 6th National Conference of Hellenic society of agricultural engineers, Thessaloniki, Greece.

30.  Kateris D.L., Dados N. J.,. Psychoudaki S. P., Fragos V.P, 2009,” Numerical Simulation Of  a Viscous Flow Over Multispan  Greenhouses” 6th National Conference of Hellenic society of agricultural engineers, Thessaloniki, Greece

31.  Kateris D.L., Dados N. J.,. Psychoudaki S. P., Fragos V.P, 2009, “Simulation Of a Two-Dimensional  Flow Over Multispan  Greenhouses With  Parabolic Roofs”,  11th National Conference of Hellenic Hydrotechnical Association, Volos, Greece.

32.  Dados N. J.,. Psychoudaki S. P., Fragos V.P,, “Numerical Simulation  Of a Flow Over Two Parabolic and  Rectangular Obstacles”,  11th National Conference of Hellenic Hydrotechnical Association, Volos, Greece.

33.  Malamataris N..A.,  Fragos, V. P., 2008, “Direct Numerical Simulation of Turbulent Flow Over a Surface Mounted Obstacle”, American Institute of Chemical Engineers, Annual meeting, Philadelphia, USA

34.  Fragos V. P., Psychoudaki S. P., Malamataris N .A.,  2007, “Direct simulation of two-dimensional turbulent flow over a surface-mounted obstacle”, International Journal for Numerical Methods of Fluids, vol 55, pp 985-1018.

35.  Psychoudaki S. P.,  Laskos V., Fragos V. P.,  2005, “Numerical analysis of a viscous flow over a mounted parabolic body”, IASME Transactions, Issue 7, Vol 2, pp 1207-1216.

36.  Psychoudaki S. P., Fragos V. P.,  Malamataris N. A.,  2005, “Computational study of a separating and Reattaching flow”, IASME Transactions, Issue 7,  Vol 2, pp 1120-1131

37.  Psychoudaki S. P.,  Fragos V. P.,  Laskos V.,  2005, “ Direct simulation of a two-dimensional flow of  relatively low Reynolds numbers perturbed by a surface – mounted bluff body”,  IASME Transactions, Issue 6, Vol 2, pp 1087-1096.

38.  Psychoudaki S.P., Fragos V.P., Laskos V., August 20-22, 2005,       “Turbulent flow simulation over a wall-mounted obstacle at relatively low Reynolds numbers”,   3rd IASME/WSEAS   International Conference on Fluid Mechanics and aerodynamics, Corfu, Greece.

39.  Psychoudaki S. P., Laskos V., Fragos V.P., August 20-22, 2005, “A two - dimension computational investigation of the flow over a wall-mounded parabolic body”,  3rd IASME/WSEAS   International Conference on Fluid Mechanics and aerodynamics, Corfu, Greece.

40.  Fragos V. P., Psychoudaki S. P., Malamataris N .A.,   July 24-28, 2005,             “Determination of chaos in the direct simulation of two dimensional turbulent flow over a surface mounted obstacle”, Eighth U.S. National Congress on Computational Mechanics,  Austin, Texas.

41.  Psychoudaki S. P.,  Fragos V. P., Malamataris N .A.,   August 20-22, 2005, “Numerical study in a separating and reattaching flow over a rectangular wall-mounted obstacle”, 3rd IASME/WSEAS   International Conference on Fluid Mechanics and aerodynamics, Corfu, Greece.

42.  Fragos V. P., Psychoudaki S. P., Malamataris N .A., 2004, “Direct computation of turbulent flow  over a surface mounted obstacle”, 1st  International Conference  “From Scientific Computing to Computational Engineering”, Athens, Greece.

43.  Malamataris N .A., Fragos V. P., Psychoudaki S. P., May 2-5, 2003, “Direct numerical simulation of turbulent flow over a surface mounted obstacle”, 4th National Conference of Chemical Engineering, Patra, Greece.

44.  Fragos V. P., Malamataris N .A., Psychoudaki S. P., April 2-5, 2003, “Air Flow Simulation Over an  Obstacle - DNS Numerical Experiment”, 9th  National Conference of Hellenic Hydrotechnical Association, Thessaloniki, Greece.

45.  Malamataris N .A.,   Fragos, V. P., Psychoudaki S. P., 2003, “Turbulent flow  over a surface mounted obstacle”, American Institute of Chemical Engineers, Annual meeting, San Fransisco, USA.

46.  Fragos V. P., Psychoudaki S. P., Malamataris N .A.,  1997, “Computer aided analysis of flow past a surface-mounted obstacle”, International Journal for Numerical Methods of Fluids, vol 24, pp 1-18.

47.  Fragos V. P., Psychoydaki S. P., Malamataris N .A., June 26-28, 1996, “Numerical experiments of flow over a step”, 2nd National Congress on computational Mechanics, Chania, vol 2, pp 742-749

 

 

 

 

MEMBERSHIPS-OTHER ACTIVITIES

 

  1. Member of the Geotechnical Chamber of Greece
  2. Member of the Hellenic Society of Agricultural Engineering
  3. Member of the Hellenic Hydrotechnical Association