Research/Scholarly/Creative Works

Journal Articles

• Roeven L., Gutschmidt S., Dawson R. and Alexander K. (2022) Steering response to roll control of a two-line disk kite. International Journal of Non-Linear Mechanics 141 http://dx.doi.org/10.1016/j.ijnonlinmec.2022.103939.

• Stitt D., Kabaliuk N., Alexander K. and Draper N. (2022) Potential of Soft-Shell Rugby Headgear to Mitigate Linear and Rotational Peak Accelerations. Annals of Biomedical Engineering 50(11): 1546-1564. http://dx.doi.org/10.1007/s10439-022-02912-5.

• Alexander K., Clement T. and Draper N. (2021) Developing a mathematical model to predict energy expenditure while bouncing on a trampoline. European Journal of Sport Science 21(2): 141-148. http://dx.doi.org/10.1080/17461391.2020.1728390.

• Clement T., Alexander K. and Draper N. (2021) Investigating the effect of bouncing type on the physiological demands of trampolining. European Journal of Sport Science 21(1): 1-6. http://dx.doi.org/10.1080/17461391.2020.1721564.

• Draper N., Kabaliuk N., Stitt D., Alexander K. and Draper N. (2021) Potential of soft-shelled rugby headgear to reduce linear impact accelerations. Journal of Healthcare Engineering 2021 5567625: 10.

• Stitt D., Draper N., Alexander K. and Kabaliuk N. (2021) Laboratory validation of instrumented mouthguard for use in sport. Sensors 21(18) http://dx.doi.org/10.3390/s21186028.

• Draper N., Clement T. and Alexander K. (2020) Physiological Demands of Trampolining at Different Intensities. Research Quarterly for Exercise and Sport 91(1): 136-141. http://dx.doi.org/10.1080/02701367.2019.1651448.

• Eager DB., Scarrott C., Nixon J. and Alexander K. (2013) Injury survey of a non-traditional 'soft-edged' trampoline designed to lower equipment hazards. International Journal of Injury Control and Safety Promotion 20(1): 42-49. http://dx.doi.org/10.1080/17457300.2012.674041.

• Eager D., Scarrott C., Nixon J. and Alexander K. (2012) Survey of injury sources for a trampoline with equipment hazards designed out. Journal of Paediatrics and Child Health 48(7): 577-581. http://dx.doi.org/10.1111/j.1440-1754.2012.02426.x.

• Wypych M., Le-Ngoc L., Alexander KV. and Gardner A. (2012) On the application of circular-cylindrical waves to ocean wave power absorption. Ocean Engineering 40: 69-75. http://dx.doi.org/10.1016/j.oceaneng.2011.12.001.

• Fuller AM. and Alexander KV. (2011) Exit-flow velocity survey of two single-tangential-inlet vaneless turbine volutes. Experimental Thermal and Fluid Science 35(1): 48-59. http://dx.doi.org/10.1016/j.expthermflusci.2010.08.005.

• Alexander K., Donohue B., Feese T., Vanderlinden G. and Kral M. (2010) Failure Analysis of an MVR (mechanical vapor recompressor) Impeller. Engineering Failure Analysis 17(6): 1346-1358. http://dx.doi.org/10.1016/j.engfailanal.2010.03.009.

• Alexander K., Eager D., Scarrott C. and Sushinsky G. (2010) Effectiveness of pads and enclosures as safety interventions on consumer trampolines. Injury Prevention 16(3): 185-189. http://dx.doi.org/10.1136/ip.2009.025494.

• Alexander KV., Fuller A. and Giddens EP. (2009) Radial and Mixed Flow Turbines for Low-head Microhydro Systems. Renewable Energy 34(7) http://dx.doi.org/10.1016/j.renene.2008.12.013.

• Alexander KV., Giddens EP. and Fuller AM. (2009) Axial-flow turbines for low head microhydro systems. Renewable Energy 34(1): 35-47. http://dx.doi.org/10.1016/j.renene.2008.03.017.

• Alexander KV. and Giddens EP. (2007) Microhydro: Cost-Effective, Modular Systems for Low Heads. Renewable Energy 33(6): 1379-1391. http://dx.doi.org/10.1016/j.renene.2007.06.026.

• Alexander KV. and Giddens EP. (2007) Optimum Penstocks for Low Head Microhydro Schemes. Renewable Energy 33(3): 507-519. http://dx.doi.org/10.1016/j.renene.2007.01.009.

• Stevenson JC. and Alexander KV. (2006) Circular flight kite tests: Converting to standard results. The Aeronautical Journal 110(1111): 605-614.

• Stevenson J., Alexander KV. and Lynn P. (2005) Kite Performance Testing by Flying in a Circle. The Aeronautical Journal 109(1096): 269-276.

• Alexander K. (2001) Development of safer recreational trampolines. Procs. Instn. Mech. Engrs 215 Part B: 589-593.

• Alexander K. and Stevenson J. (2001) Kite Equilibrium & Bridle Length. The Aeronautical Journal 105(1051): 535-541.

• Alexander KV. and Stevenson J. (2001) A test rig for kite performance measurement. Procs. Instn. Mech. Engrs 215 Part B: 595-598.

• Alexander K. (1999) Features of the wakes of partly immersed wheels. Marine Technology 36(2): 112-125.

• Alexander K. (1996) Waterjet to hull load transfer. Naval Engineers Journal 108(3): 375-385. http://dx.doi.org/10.1111/j.1559-3584.1996.tb01574.x.

• Alexander K. (1995) Waterjet versus Propeller Engine Matching Characteristics. Naval Engineers Journal 107(3): 129-139. http://dx.doi.org/10.1111/j.1559-3584.1995.tb03041.x.

Chapters

• Fuller A. and Alexander K. (2012) 6.16 - Simplified Generic Axial-Flow Microhydro Turbines. Comprehensive Renewable Energy: 435-466. http://dx.doi.org/10.1016/B978-0-08-087872-0.00617-X.

• Fuller AM. and Alexander KV. (2012) Simplified Generic Axial Flow Turbines. In Sayigh A (Ed.), Comprehensive Renewable Energy: 435-466. Amsterdam: Elsevier. http://dx.doi.org/10.1016/B978-0-08-087872-0.00617-X.

Conference Contributions - Published

• Fernandez R. and Alexander KV. (2012) An Experimental Study on the Effect of Submergence on a Vertically Oscillating Hydrofoil at Zero Translational Velocity. In Applied Mechanics and Materials 226-228: 459-465. http://dx.doi.org/10.4028/www.scientific.net/AMM.226-228.459.

• Alexander KV. (2011) SpringFree Trampoline - and Some Lessons Learned. In.

• Bowen W. and Alexander KV. (2011) Surface Piercing Drag in CFD. In.

• Fernandez R. and Alexander KV. (2011) An Experimental Investigation Assessing the Validity of Quasi-Static Calculations for an Oscillating Hydrofoil. In.

• Bowen W. and Alexander KV. (2010) CDF Study of Solid Body Water Impact. In.

• Bowen WC. and Alexander KV. (2010) CFD analysis of a high speed paddlewheel. In 17th Australasian Fluid Mechanics Conference 2010: 412-415.

• Fuller A. and Alexander KV. (2010) Adapting simplified propeller turbines to higher specific speeds: CFD studies. In.

• Alexander KV. (1983) PROTOTYPE MODEL TESTS OF A HIGH SPEED WHEELED AMPHIBIOUS VEHICLE.. In 1.

Intellectual Property

• Alexander KV. (2014) Person moving devices for moving persons of limited mobility.Patent No. US8832874, US.

• Alexander KV. (2013) Trampoline and base Frame Structure.Patent No. US8303469B2, US.

• Alexander KV. (2012) A Trampoline and Enclosure System; (for a trampoline with conventional springs)(Canada 2553767, 2012).Patent No. 2553767.

• Alexander KV. (2012) A Trampoline.Patent No. CA 2527745, Canada.

• Alexander KV. (2012) A Trampoline; Gate Cleat.Patent No. 2008202739.

• Alexander KV. (2012) A Trampoline; Rod Bend Parameters II.Patent No. 2591090.

• Alexander KV. (2012) A Trampoline; Short Rods.Patent No. 2011250686.

• Alexander KV. (2012) A Trampoline; Short Rods.Patent No. 2591007.

• Alexander KV. (2012) Edged Fittings for Soft-Edged Trampolines: USA 8105211, 2012; Canada 2471272, 2011.Patent No. 8105211.

• Alexander KV. (2012) Improved Rod Construction for Soft Edged Trampolines; Rod sheathing. (Canada 2546014, 2012; Australia 2011201758, 2012).Patent No. 2546014.

• Alexander KV. (2012) Trampoline with Rod Locking Edge Fittings.Patent No. 2527749.

• Alexander KV. (2012) Trampoline.Patent No. US8303469, US.

• Alexander KV. and Miller DJ. (2012) Trampoline.Patent No. 2012101857, Australia.

• Alexander K. (2011) A Trampoline (Rod Bend Parameters II).Patent No. EP1824571.

• Alexander K. (2011) A Trampoline (Short Rods).Patent No. EP1814635.

• Alexander K. (2011) Trampoline with Rod Locking Edge Fittings (Clip Cleat).Patent No. EP1628715.

• Alexander KV. (2011) Powered Unicycle.Patent No. 7963352.

• Miller DJ. and Alexander KV. (2011) Trampoline Rod Configuration.Patent No. US Patent Application 61/497,600.

• Alexander K. (2010) A Trampoline (Gate Cleat).Patent No. 7678024.

• Alexander K. (2010) A Trampoline and Enclosure System.Patent No. 2004298391.

• Alexander K. (2010) Edged Fittings for Soft-Edged Trampolines.Patent No. EP1455904.

• Alexander KV. (2010) A Trampoline and Enclosure System: (Soft Edge Trampoline with rods) (Canada 2536850, 2012; Australia 2004244931, 2011; USA 7708667, 2010).Patent No. 2536580.

• Alexander K. (2009) Improved Rod Construction for Soft Edged Trampolines.Patent No. EP1684875.

• Alexander K. (2009) Low Force Lifter.Patent No. 578039.

• Alexander K. (2008) Trampoline and Base Frame Structure.Patent No. PCT/NZ2008/000292.

• Alexander KV. (2008) Resilient ladder for use with trampolines.Patent No. 571526.

• Alexander K. (2004) Trampoline with Rod-Locking Edge Fittings.Patent No. PCT 505000.

• Alexander KV. (2004) A Powered Unicycle.Patent No. PCT/NZ2004/000188.

• Alexander KV. (2004) A Trampoline (short rods).Patent No. 537111.

• Alexander KV. (2004) A Trampoline: Rod Bend Parameters Extension.Patent No. 537112.

• Alexander KV. (2004) A Trampoline: Rod Bend Parameters.Patent No. PCT/NZ2004/000111.

• Alexander KV. (2004) Base Frame Member with Internal Rod Sockets.Patent No. PCT/NZ04/00005.

• Alexander KV. (2004) Enclosure for Conventional (springs) Trampoline.Patent No. PCT/NZ2004/00318.

• Alexander KV. (2004) Soft Edged Trampoline Enclosure.Patent No. NZ Application numbers 526353, 528909, and 530270.

• Alexander KV. (2004) Trampoline Frame Leg Bracing (legs include inverted V member to support joints in base frame).Patent No. PCT/NZ04/00006.

• Alexander KV. (2004) Trampoline Rod Sheathing.Patent No. PCT/NZ2004/00276.

• Alexander KV. (2004) Visual Edge for Trampoline.Patent No. 528908.

• Alexander KV. (2004) Webbing Edge on Trampoline Mat.Patent No. PCT/NZ2004/00277.

• Alexander K. (2002) Rebounder using a Cantilevered Spring System.Patent No. 518653.

• Alexander K. (2002) Water tramp conversion for the Soft-Edged Trampoline.Patent No. 518472.

• Alexander K. (2001) Edge Fittings for Soft-Edged Trampolines.Patent No. 513331.

• Alexander K. (2000) Soft-Edged Recreational Trampoline.Patent No. USA 6319174.

• Alexander K. (1999) Device to transfer a patient from a wheelchair (lapsed).Patent No. 337302.

• Alexander K. (1999) Soft-Edged Recreational Trampoline.Patent No. 500734.

• Alexander K. (1999) Waterjet Steering & trim control system (lapsed).Patent No. 337288.

• Alexander K. (1998) Retrieval apparatus for deployed bungy.Patent No. 331200.

• Alexander K. (1998) Retrieval apparatus for deployed bungy.Patent No. PCT/NZ99/00119.

Conference Contributions - Other

• Alexander KV. (2017) Incentives and Challenges in Taking a Product to Market from a University Environment - Trampoline Story for KiwiNet Conference 2017. Wharewaka Conference Center, Wellington: KiwiNet "Knowledge Commercialisation Australasia" (KCA) Conference, 7-8 Sep 2017.

• Eager D., Alexander K., Scarrott C. and Sushinshy G. (2011) Effectiveness of pads and enclosures as safety interventions on consumer trampolines. Cardiff, UK: 18th International Play Association World Conference (IPA), 4-7 Jul 2011.

• Eager D., Alexander K., Scarrott C. and Sushinsky G. (2011) Effectiveness of Pads and Encolsures as Safety Interventions on Consumer Trampolines. Brisbane, Australia: 10th National Conference on Injury Prevention and Safety Promotion, 2-4 Nov 2011.

• Eager D., Alexander K., Scarrott CJ. and Sushinsky G. (2011) Effectiveness of Pads and Encolsures as Safety Interventions on Consumer Trampolines. Fremantle, Australia: PLA National Conference and IFPRA Asia-Pacific Congress 2011, 18-21 Sep 2011.

• Alexander KV. (2006) Strategies for safer backyard trampolines. Sydney, Australia: 4th Kidsafe National Playground Conference, 21-23 Aug 2006.

• Alexander KV. (2006) Strategies for safer trampolines. University of New South Wales, Sydney, Australia: 8th National Injury Prevention and Control Conference, 27-29 Sep 2006.

• Alexander K. and Jenkins N. (2004) A Versatile Amphibian for the Littoral Environment. Herndon, Washington, USA: Advanced Naval Propulsion Symposium 2004, 16 Nov 2004.

• Alexander KV. and Furniss V. (1998) Systematic measurements of a windsurfer sail performance.. Melbourne, Australia: 13th Aust Fluid Mechanics Conf, 1 Dec 1998.

• Raine JK. and Alexander K. (1998) Student design projects and the product development process. Gladstone, Australia: Proceedings of 5th National Conference on Teaching Engineering Designers, AAEE Conference 'Waves of Change', 26 Sep 1998.

• Alexander K. (1997) Corrosion resistance of aluminium and stainless steel in waterjets. Singapore: 13th International Fast Ferry Conf, 1 Feb 1997.

• Alexander KJ. and Holtslag T. (1997) Large tower structures using air pressure for support. Wellington, New Zealand: Procs. of the Annual IPENZ Conf, 1 Feb 1997.

Design output

• Alexander K. (2008) Path to Market of New Product that is not affiliated with an Existing Company. [Chart illustrating a roadmap of product to market].

• Alexander K. (2007) IP Pathways. [Chart illustrating IP ownership in the ICT Entrepr].

• Alexander K. (2006) IP Pathways Chart for UoC and UCi3. .

• Alexander K. (2006) Why We Are Here. [University values chart].

Theses / Dissertations

• Bowen WC. (2012) Amphibious Track Propulsion; Research and Development. Christchurch, New Zealand. University of Canterbury.

• Fuller AM. (2012) Increasing the Specific Speed of Simple Microhydro Propeller Turbines. Christchurch, New Zealand. University of Canterbury.

• McMillan IA. (2004) Development of an Intervertebral Disc Implant, Biomodelling Methodology and a Femoral Endoprosthesis. Christchurch, New Zealand. University of Canterbury.

• Stevenson JC. (2003) Traction Kite Testing and Aerodynamics. Christchurch, New Zealand. University of Canterbury.

Reports

• Alexander KV. (2017) Analytical Equations behind the Trampoline Design Tool and Optimisation Tool. In Analytical Equations behind the Trampoline Design Tool and Optimisation Tool, Commissioned by Springfree New Zealand Ltd. 1-5.

• Alexander KV. (2017) Procedure and Methods: Trampoline Energy Absorption Calibration for determining Jumper Calorie Burn. In Procedure and Methods: Trampoline Energy Absorption Calibration for determining Jumper Calorie Burn, Commissioned by Springfree New Zealand Ltd. 1-4.

• Alexander KV. (2017) Using Alternative Rod Materials for Rod Trampolines. In Using Alternative Rod Materials for Rod Trampolines, Commissioned by Springfree New Zealand Ltd. 1-5.

• Alexander KV. (2016) Equations and Coefficients for Developing Trampoline Force Deflection Curves from Spring Forces. In Equations and Coefficients for Developing Trampoline Force Deflection Curves from Spring Forces, Commissioned by Springfree New Zealand Ltd. 1-8.

• Alexander K. (2009) Draw Machine Review.New Zealand Lotteries Commission. Commissioned by New Zealand Lotteries Commission. 15pp.

• Alexander K. (2009) Testing of "PropellerJet" 190: InFact Project P275.Infact Ltd. Commissioned by Infact Ltd. 20pp.

• Alexander K. (2009) Testing of "PropellerJet" 190: Red Boat Unit, in Lab and Boat.Infact Ltd. Commissioned by Infact Ltd. 12pp.

• Alexander K. (2008) Impeller Set for Aquada with the Hyundai Engine.Recreation Engineering Ltd.

• Alexander K. (2008) Numedic Effluent Pump Design Review.Product Innovation Centre. Commissioned by Numedic Ltd. 24pp.

• Alexander K., Donohue B. and Kral M. (2008) MVR Fan Testing at Dairy Trust and Root Cause Analysis of Fan Failures.GEA Process Engineering (NZ) Ltd. Commissioned by GEA Process Engineering (NZ) Ltd. 27pp.

• Alexander K., Gilmore J. and Geoghegan P. (2008) Stockton Conveyor Gallery: Drag Coefficient Determination.Cameron Gibson & Wells Ltd. Commissioned by Cameron Gibson & Wells Ltd. 123pp.

• Alexander KV. (2007) Overview Status Report on the Pearson Innovations MEGA Turbine System.20pp.

• Alexander KV. (2005) Towards Trampolines Without Injury.Commissioned by Springfree Trampoline. 16pp.

• Alexander K. (2001) Report on damage to the aerator pumps at Army Bay Sewage Treatment Plant.Commissioned by Rodney District Council. 6pp.

• Alexander K. (2001) Report to Mr Richards on the richards turbine. In Report 4620, Department of Mechanical Engineering, University of Canterbury. Commissioned by Mr Richards. 5pp.

• Alexander K. (2001) Report to Pearson Motor Company on a low pressure diesel concept. In Deptartment of Mechanical Engineering Report No 4623, Commissioned by Pearson Motor Company. 5pp.

• Alexander K. (2000) Department Mechanical Report 4609: Aisle Activation Bubbling Tower Units.Commissioned by Airform International. 17pp.

• Alexander K. (2000) Report to Millan Ruka on the Hyfro-Energy Conveyor Apparatus. In Dept Mech Report no 4619, Commissioned by Department of Mechanical Engineering, University of Canterbury.

• Alexander K. (2000) Report to Wapiti enterprises on the Oosting Propulsor. In Mechanical Engineering Report 4597, Commissioned by Wapiti Enterprises.

• Alexander K. (2000) Supplimentary Report to Airform International on the Aisle Activation Bubbling Tower Units.Department of Mechanical Engineering Report 4618. Commissioned by Airform International. 5pp.

• Alexander K. (1999) Report and recommendations for progressing technical development in the flying machine project.Commissioned by GNM Ltd. 6pp.

Other

• Alexander KV. and McIntyre H. (2014) Springfree New Product Development Process Chart. [Excel Spreadsheet].

• Alexander K. (2002) (2002, April). "Patient Lifting device". Licenses by Canterprise to Framecraft LTD Christchurch. .

• Alexander K. (2002) Soft-Edged trampoline Licensed by Canterprise to Canvasland Holdings LTD, Levin. .

Research Groups