Publications

If you would like a copy of any of these publications, simply contact me and I will happy to send you a copy.  

1. Theses

Recent graduate theses can be downloaded directly from the Atrium, the archival internet repository of the University of Guelph. 

  • Simmons, S. A Computational Fluid Dynamic Analysis of Archimedes Screw Generators. Aug. 2018.
  • Ghose, S. Thermal Modelling of Passive Solar High Tunnels Located at the Guelph Centre for Urban Organic Farming. Aug. 2018. 
  • Songin, K. Experimental Analysis of Archimedes Screw Turbines. Aug. 2017.
  • Chan J. Optimized Electronic Load Controller (ELC) for Isolated Microhydro Systems. Dec. 2016.
  • Kozyn, A. Power Loss Model for Archimedes Screw Turbines. May 2016.
  • Lyons, M. Lab Testing and Modeling of Archimedes Screw Turbines. Dec. 2014.
  • Wasserman, E. Life Cycle Assessment of a Pilot Scale Farm-Based Biodiesel Plant. May 2013.
  • Shaw, S. Development and Validation of the Wind Energy Calculator (WEC) for use as a Module in the Larger Complimentary Energy Decision Support Tool (CEDST) Project. August 2012.
  • Song, Q. Design, Fabrication, and Testing of a New Small Wind Turbine Blade. April 2012
  • Ho-Yan, B. Design of a Low Head Pico Hydro Turbine for Rural Electrification in Cameroon. April 2012
  • Marchand, K. Utilization of Biodiesel-Derived Crude Glycerol by Fungi for Biomass and Lipid Production. January 2012.
  • Lamers, A. The Characterization of Biodiesel Wash Water and the Potential for Microbial Remediation. January 2011.
  • Ziter, B. Alternative Methods of Estimating Hub-Height Wind Speed for Small Wind Turbine Performance Evaluation. May 2010.
  • Brunskill, A. A Neural Network Based Wake Model for Small Wind Turbine Siting Near Obstacles. May 2010.

2. Articles in refereed publications

  • Songin K, Lubitz W. (2018). Measurement of Fill Level and Overflow in Power-generating Archimedes Screws. Accepted for publication in Journal of Hydraulic Research.
  • Lubitz W, Michalak A. (2018). Experimental and theoretical investigation of tower shadow impacts on anemometer measurements. Journal of Wind Engineering and Industrial Aerodynamics. 176: 112-119.
  • Kozyn A, Songin K, Gharabaghi B, Lubitz W. (2018). Predicting the Performance of Archimedes Screw Generators Using Neural Networks. Journal of Hydraulic Engineering. 144(3): 05018002
  • Aliabadi, A; Moradi, M.; Clement, D.; Lubitz, W.; Gharabaghi, B. (2018). Flow and temperature dynamics in an urban canyon under a comprehensive set of wind directions, wind speeds and thermal stability conditions. Environmental Fluid Mechanics. 15 June 2018: 1-29.
  • Atieh M, Rudra R, Gharabaghi B, Lubitz W. (2017). Investigating the Spatial and Temporal Variability of Precipitation Using Entropy Theory. Journal of Water Management Modeling. 25(C420): 1-8.
  • Kozyn A, Lubitz W. (2017). A Power Loss Model for Power-generating Archimedes Screws. Renewable Energy. (108): 260-273.
  • Kong Y, Llewellyn D, Schiestel K, Scroggins M, Lubitz W, McDonald M, Van Acker R, Martin R, Elford E, Zheng Y. (2017). High Tunnels can Promote Growth, Yield, and Fruit Quality of Organic Bitter Melons (Momordica charantia) in Regions with Cool and  Short Growing Seasons. HortScience. 52(1): 65-71.
  • Hakimi, R., Lubitz, W. D. (2016) Wind environment at a roof-mounted wind turbine on a peaked roof building. International Journal of Sustainable Energy. 35(2): 172-189.
  • Lisicki M, Lubitz W, Taylor G. (2016). Optimal Design and Operation of Archimedes Screw Turbines Using Bayesian Optimization. Applied Energy. 183: 1404-1417.
  • Lubitz, W. D., Lyons, M., Simmons, S. A Performance Model of Archimedes Screw Hydro Turbines with Variable Fill Level. J. Hydraulic Engineering. 140(10): 04014050. 2014.
  • Song, Q., Lubitz, W. BEM Simulation and Performance Analysis of a Small Wind Turbine Rotor. Wind Engineering. 37, (4), 381-400. 2013.
  • Corscadden, K., Lubitz, W., Thomson, A., McCabe, J. Investigation of Wake Effects on the Energy Production of Small Wind Turbines. Wind Engineering. 37, (2), 151-164. 2013.
  • Lubitz, W. D., Impact of ambient turbulence on performance of a small wind turbine, Renewable Energy (2012), http://dx.doi.org/10.1016/j.renene.2012.08.015
  • Nicol, R.W., Marchand, K., W.D. Lubtiz. Bioconversion of crude glycerol by fungi. Applied Microbiology and Biotechnology DOI: 10.1007/s00253-012-3921-7. 2012.
  • Brunskill, A. W., Lubitz, W. D. A neural network shelter model for small wind turbine siting near single obstacles. Wind and Structures. 15, (1), 43-64. 2012.
  • Lubitz, W. D. Effect of Manual Tilt Adjustments on Incident Irradiance on Fixed and Tracking Solar Panels. Applied Energy. 88, 1710-1719. 2011.
  • McIntyre, J. H., Lubitz, W. D., Stiver, W. H. Local Wind-Energy Potential for the City of Guelph, Ontario (Canada). Renewable Energy. 36, 1437-1446. 2011.
  • Ziter, B., Lubitz, W. D. Predicting Hub-Height Wind Speed for Small Wind Turbine Performance Evaluation Using Tower-Mounted Cup Anemometers. Wind Engineering. 34 (6), 673-699. 2010.
  • Leidl, C., Lubitz, W. Modeling Implementation of Domestic Water Heating Technologies: A Case Study of Drain Water Heat Recovery and Solar Water Heating in the City of Guelph. Technology in Society. 31, 244-256. 2009.
  • Lubitz, W. D. Power Law Extrapolation of Wind Measurements for Predicting Wind Energy Production. Wind Engineering. 33 (3), 2009.
  • Lubitz, W. D., White, B. R. Wind Tunnel and Field Investigation of the Effect of Local Wind Direction on Speed-Up Over Hills. Journal of Wind Engineering and Industrial Aerodynamics. 2007 (95), pp. 639-661.
  • Gu, Z., Chen, X., Lubitz, W., Li, Y., Luo, W. Wind Tunnel Simulation of Exhaust Recirculation in an Air-Cooling System at a Large Power Plant. International Journal of Thermal Science. Vol. 46, pp. 308-317. 2007.

3. Conference papers and other contributions

  • Epstein, A; Lubitz, W; Dineen, G; Dyck, J. (2018). Grain drying using air source heat pumps for reduced costs and greenhouse gas emissions. CSBE/SCGAB Conference 2018, Guelph, Canada.
  • Camargo Arevalo J; Lubitz W; Warriner K; Moyer, P; West M. (2018). Ozone Distribution for Bulk Produce Decontamination. CSBE/SCGAB Conference 2018, Guelph, Canada.
  • Ghose, S; Lubitz, W; Zheng, Y; Kong, Y; Llewellyn, D; Scroggins, MG; McDonald, MR; Van Acker, R; Martin, R; Elford, E. (2018). Thermal Model of a Passive Solar Greenhouse. CSBE/SCGAB Conference 2018, Guelph, Canada.
  • Ghose, S, Lubitz, W. (2018). Predicting the Interior Conditions in a High Tunnel Greenhouse. Proceedings of 2018 Energy & Sustainability Symposium. Energy and Sustainability Symposium 2018, Windsor, Canada (1-12).
  • Khan, A, Simmons, S, Lyons, M, Lubitz, W. (2018). Inlet Channel Effects on Archimedes Screw Generators. Proceedings of CSME Intl Congress 2018. CSME Int'l Congress 2018, Toronto, Canada (1-5). Conference Date: 2018/5.
  • Lubitz, W, Rubie, B. (2018). Wind Loads on Cyclists Due to Passing Vehicles. Proceedings of CSME Intl. Congress 2018. CSME Int'l Congress 2018, Toronto, Canada (1-5).
  • Moradi, M, Lubitz, W, Aliabadi, A, Krayenhoff, S. (2018). Scaling and Machine Learning Analysis of Turbulent Fluxes of Momentum and Heat in the Microclimate of an Urban Canyon. Proceedings of CSME Intl Congress 2018. Toronto, Canada (1-7).
  • Simmons S, Songin K, Lubitz W. (2017). Experimental Investigation of the Factors Affecting Archimedes Screw Generator Power Output. Proc. of Hydro 2017. Hydro 2017, Seville, Spain (1-10).
  • Simmons S, Lubitz W. (2017). Archimedes Screw Generators for Sustainable Energy Development.Proceedings of IEEE Int'l Humanitarian Technology Conf.IEEE International Humanitarian Technology Conference, Toronto, Canada. July, 2017.
  • Songin K, Lubitz W. (2016). Experimental Measurement of Overflow in Archimedes Screw Turbines. Proc. Hydro 2016 Conference, Montreux, Switzerland. Oct. 2016.
  • Chan J, Lubitz W. (2016). Electronic Load Controller (ELC) Design and Simulation for Remote Rural Communities: A Powerhouse ELC Compatible with Household Distributed-ELCs in Nepal. 2016 IEEE Global Humanitarian Technology Conference (GHTC), Seattle, United States. Oct. 2016.
  • Lubitz W, Zheng Y, Kong Y, Llewellyn J. (2016). A Field Study of the Microclimate Within High Tunnel Greenhouses. Proceedings of CSME Intl Congress 2016. Canadian Society for Mechanical Engineering (CSME) International Congress, Kelowna, BC, Canada. June, 2016.
  • Lubitz W, Chang K, Lyons E. (2016). Solar Shading and Radiation Assessment of a Sports Stadium Field. Proceedings of CSME Intl Congress 2016. Canadian Society for Mechanical Engineering (CSME) International Congress 2016, Kelowna, BC, Canada. June 2016.
  • Michalak A, Lubitz W. (2016). Experimental Investigation of a Heat Sink for Cooling High Output LEDs. Proceedings of CSME Intl Congress 2016. Canadian Society for Mechanical Engineering (CSME) International Congress 2016, Kelowna, BC, Canada. June 2016.
  • Kozyn A, Ash S, Lubitz W. (2015). Assessment of Archimedes Screw Power Generation Potential in Ontario. Climate Change Technology Conference, Montreal, Canada. May, 2015.
  • Kozyn A, Lubitz W. (2014). Experimental Validation of Gap Leakage Flow Models in Archimedes Screw Generators. World Renewable Energy Conference, London, United Kingdom. Aug. 2014.
  • Lubitz W. (2014). Reducing Canadian Greenhouse Energy Costs Using Highly Insulating Glazing. World Renewable Energy Conference, London, United Kingdom. Aug. 2014.
  • Awol, A., Lubitz, W., Bitsuamlak, G. External Pressure Distribution and Wind-driven Ventilation of a Venlo Multi-span Greenhouse. CFD Society of Canada, 22nd Annual Conference. Toronto. June 1-4, 2014.
  • Lubitz, W. D., Shomer, A. Wind Loads and Efficiency of a Diffuser-Augmented Wind Turbine (DAWT). CSME Intl. Congress. Toronto. June 1-4, 2014.
  • Lubitz, W. D. Gap Flow in Archimedes Screws. CSME Intl. Congress. Toronto. June 1-4, 2014.
  • Lyons, M., Lubitz, W. Archimedes Screws for Microhydro Power Generation. Proc. ASME 7th Intl. Conf. on Energy Sustainability. Minneapolis, USA. July 14-19, 2013.
  • Ho-Yan, B., Lubitz, W. D., Ehlers, C., Hertlein, J. Field Investigations in Cameroon Towards a More Appropriate Design of a Renewable Energy Pico Hydro System for Rural Electrification. Tech4Dev Intl. Conference. EPFL, Lausanne, Switzerland. May 29-31, 2012.
  • Ho-Yan, B., Lubitz, W. Performance evaluation of cross-flow turbine for low head application. Proc. of World Renewable Energy Congress, Linköping, Sweden. May 8-11, 2011.
  • Lubitz, W. Impact of ambient turbulence on performance of a small wind turbine. Proc. of World Renewable Energy Congress, Linköping, Sweden. May 8-11, 2011.
  • Lamers, A., Lubitz, W. D., Nicol R. W. Characterization of Biodiesel Wash Water and the Potential for Microbial Remediation. 10th Agricultural Biotech. Intl. Conf. Saskatoon. Sep. 12-15, 2010.
  • Brunskill, A., Lubitz, W. Development of an Empirical Obstacle Wake Model for Small Wind Turbine Micrositing. AIAA-2010-1190. AIAA ASM, Orlando, USA. Jan. 4-7, 2010.
  • Ziter, B., Lubitz, W. Small Wind Turbine Performance Evaluation using Tower and Nacelle-Mounted Anemometers. AIAA-2010-1190. AIAA ASM, Orlando, USA. Jan. 4-7, 2010.
  • Brunskill, A., Lubitz, W. Development of a Software Tool for Small Wind Turbine Micrositing. Poster presented at CanWEA Annual Conference. Toronto. Sep. 20-23, 2009.
  • Ziter, B., Lubitz, W. Alternative Methods for Verifying Small Wind Turbine Power Performance. Poster presented at CanWEA Annual Conference. Toronto. Sep. 20-23, 2009.
  • Lubitz, W. D. Effects of Tower Shadowing on Anemometer Data. Paper, 11th Americas Conference on Wind Engineering. San Juan, PR, USA. Jun. 22-25, 2009.
  • Lamers, A., Lubitz, D., Nicol, R. Low Input Closed Loop Algae Culture as a Lipid Source for Biodiesel Conversion. Poster, Growing the Margins Conference. London, ON. Mar. 10-13, 2009.
  • Brunskill, A., Lubitz, W. Improved Siting Guidelines for Small Wind Turbines. Poster presented at CanWEA Annual Conference. Vancouver, BC. Oct. 19-22, 2008.
  • Ziter, B., Lubitz, W. Assessing Small Turbine Performance Through On-Site Power Curve Generation. Poster presented at CanWEA Annual Conference. Vancouver, BC. Oct. 19-22, 2008.
  • McIntyre, J. H., Lubitz, W. D., Stiver, W. H. Wind Energy Resource Assessment Using Wind Atlas and Meteorological Data for the City of Guelph, Canada. Proceedings of World Wind Energy Conference 2008, June 24 - 26. Kingston, ON, Canada.
  • Lubitz, W. D. Characterizing the Wind Climate Above a Barn Roof for a Small Wind Turbine. Presentation at Growing the Margins Conference 2008, April 2 - 5. London, ON, Canada.
  • Lubitz, W. D., Hakimi, R. Effect of Roof Slope on a Building Mounted Wind Turbine. AIAA Paper No. 2008-1325. Proc. AIAA/ASME Wind Energy Sym. 2008, Jan. 7 -10. Reno, NV, USA.
  • Lubitz, W. D. Rethinking the First Year Programming Course. Canadian Design Engineering Network (CDEN) Annual Conference. Winnipeg, Canada. July 22-24, 2007.
  • Lubitz, W. D. Assessing the Accuracy of Extrapolating Measured Wind Speeds Upwards. CanWEA Annual Conference, Winnipeg, Canada. Oct. 22-25, 2006.
  • Lubitz, W., White, B. California Regional Wind Energy Forecasting System Development, Volume 3: Wind Tunnel Modeling of Wind Flow over Complex Terrain. EPRI Final Report. 2006.
  • Lubitz, W. D., White, B. R. Measuring Error in Wind Power Forecasting Using a New Forecasting System. AIAA Paper No. 2005-1330. Peer-reviewed paper. Proceedings of AIAA/ASME Wind Energy Symposium 2005, Jan. 10 - 13, 2005. pp. 510 - 520. Reno, NV, USA.
  • Zack, J., Lubitz, D., et al. Wind Tunnel and Numerical Modeling of Wind Energy Generation at Altamont Pass. Poster. AWEA Windpower 2006 Proceedings. Pittsburgh, PA, USA. June 4-7, 2006.
  • Lubitz, W. D., White B. R. A Simple Method of Forecasting Wind Power Production at a Complex Terrain Site. Poster. AWEA Windpower 2005 Proceedings, Denver, CO, USA. May 15-18, 2005.
  • Lubitz, W. D. Atmospheric Boundary Layer Wind Tunnel Applications in Wind Turbine Siting. Proceedings of World Wind Energy Conference, Oct. 31 - Nov. 4, 2004. Beijing China.
  • Lubitz, W. D., White, B. R. Atmospheric Boundary Layer Wind Tunnel Applications in Wind Turbine Siting. Proceedings of World Wind Energy Conference, 2004. Abstract-reviewed paper presented at Beijing, China, Oct. 31 - Nov. 4, 2004.
  • Cheng, J., Lubitz, W., White, B. Wind tunnel Prediction of Wind Power Production in Complex Terrain. AIAA Paper No. 2004-1360. Peer-reviewed paper. Proceedings of AIAA/ASME Wind Energy Symposium 2004, Jan. 5 - 7, 2004. pp. 507 - 517. Reno, NV, USA.
  • Lubitz, W. D., White, B. R. Prediction of Wind Power Production Using Wind tunnel Data: A Component of A Wind Power Forecasting System. Poster. AWEA Global Windpower 2004 Proceedings. Chicago, IL, USA. Mar. 28 - 31, 2004.
  • Lubitz, W. Wind Anemometer Loan Program Protocol. California Wind Energy Collaborative Report #2003-004. Sept. 2003.
  • White, B. R., Lubitz, D. Final Report: A Wind Tunnel Study of Expected Wind Speeds Above the UCDMC South Davis Tower Roof Area. UC Davis Atmospheric Boundary Layer Wind Tunnel Facility Report. March 2003.