Department of Mechanical and Industrial Engineering

Dr KN Nwaigwe

College of Science, Engineering and Technology
School of Engineering
Department: Mechanical and Industrial Engineering
Post-Doctoral Research Fellow
Tel: 011 670 9754
E-mail: nwaigkn@unisa.ac.za

Qualifications

  • PhD Mechanical Engineering - Energy and Power Specialization (FUTO, Nigeria, 2012)

Fields of academic interests

  • Biomass conversion to fuels and engine performance characterization using biofuels.
  • Solar Energy utilization and optimization.
  • Passive cooling and space cooling.
  • Environmental Management through waste conversion to energy.

Field of Specialisation

  • Alternative/Renewable Energy
  • Bioresources Engineering
  • Post-Harvest Processing

Journal articles

  1. O. C. Chukwuezie, N. R. Nwakuba, S. N. Asoegwu and K. N. Nwaigwe (2017) Cetane number effect on engine performance and gas emission: A review. American journal of engineering research, 6(1), 55-67.
  2. N. R. Nwakuba, S. N. Asoegwu and K. N. Nwaigwe (2016) “Energy consumption of agricultural dryers: an overview”. Agricultural Engineering International: The CIGR journal 18(4): 119-132.
  3. V. C. Akubude and K. N. Nwaigwe (2016) “Economic importance of edible and non-edible Almond fruit as bioenergy material: A review”. Energy Science and Engineering, 3(3).
  4. N. R. Nwakuba, S. N. Asoegwu and K. N. Nwaigwe (2016) “Energy requirements for drying of sliced agricultural products: A review”. Agricultural Engineering International: The CIGR e-journal 18(2).
  5. A. C. Iheonye, S. N. Asoegwu and K. N. Nwaigwe (2015) “Investigation of the Appropriate Cooking Temperature for Freshly Harvested Mature Corn Cobs” International Journal of Research in Engineering and Technology, 4(8).
  6. C.I.O Kamalu, K. N. Nwaigwe, and M. S. Nwakaudu (2015) “Manipulation of Slurry Density of Red Mud Clay in the Separation of fine/Coarse Palm Kernel Shell”. Research Journal of Mathematics and Statistics.
  7. G. I. Nwandikom, K. N. Nwaigwe, and O. Isibor (2015) “Design of Automated Pressure Control Switch for Borehole using Visual Basic Programming Language”. International Journal of Research in Engineering and Technology, 4(5).
  8. C. I. O. Kamalu, K. N. Nwaigwe, P. Oghome and E. E. Anyanwu (2015) “Adsorption Behaviour of Dextrin Onto Activated Oyster Shell”. International Journal of Research in Engineering and Technology, 4(3).
  9. N.V. Ogueke, P. C. Nwaizu, O. Nwufo, K. N. Nwaigwe and E. E. Anyanwu (2015) “Biomass Powered Natural Convection Kiln for Timber Drying”. Research Journal of Applied Sciences, Engineering and Technology 9(4).
  10. N. C. Ezeanya, G. O. Chukwuma, K. N. Nwaigwe and C. C. Egwuonwu (2015) “Standard Water Quality Requirements and Management Strategies for Fish Farming (A case study of Otamiri River)”. International Journal of Research in Engineering and Technology, 4(3).
  11. C. P. Obioma, K. N. Nwaigwe and C. D. Okereke (2015) “Development and Evaluation of a Weighable Lysimeter to Determine Crop Evapotranspiration”. International Journal of Research in Engineering and Technology, 4(3).
  12. C. P. Obioma , C. D. Okereke, and K. N. Nwaigwe (2015) “Comparative analysis of Direct and Four Indirect Methods for Determination of Evapotranspiration of Waterleaf (TALINUM TRIANGULARE)” International Journal of Research in Engineering and Technology, 4(2).
  13. C. A. Okoronkwo, K. N. Nwaigwe, N. V. Ogueke, E. E. Anyanwu, D. C. Onyejekwe and P. E. Ugwuoke (2014). “An Experimental Investigation of the Passive Cooling of a Building Using Nighttime Radiant Cooling”. International Journal of Green Energy, 11:10, 1072-1083.
  14. O. C. Chukwuezie, K. N. Nwaigwe, S. N. Asoegwu and E. E. Anyanwu (2014) “Diesel Engine Performance of Jatropha Biodiesel: A Review”. Biofuels, 5:4, 415-430.
  15. C. A. Okoronkwo, O. C. Nwufo, N. V. Ogueke, K. N. Nwaigwe and E. E. Anyanwu (2014) “Evaluation of the Thermal Performance of a Thermo Syphon Water Heating System Using a Compound Parabolic Solar Collector”. International Journal of Engineering and Innovative Technology, 4(3).
  16. K. N. Nwaigwe, N. V. Ogueke, P. E. Ugwuoke, and E. E. Anyanwu (2013). “Development and measured performance of a batch reactor for biodiesel production from fresh and waste vegetable oils”. Int. J. Renewable Energy Technology, 4(3), 295-312.
  17. N. V. Ogueke, F. Abam. K. N. Nwaigwe, C. A. Okoronkwo, P. E. Ugwuoke, and E. E. Anyanwu (2013). “The effect of seasonal variation and angle of inclination on the performances of photovoltaic panels in South Eastern Nigeria”. Research Journal of Applied Sciences, Engineering and Technology 5(3): 794-800.
  18. C. A. Okoronkwo, O. C. Nwufo, K. N. Nwaigwe,  N. V. Ogueke, & E. E. Anyanwu (2013) “Experimental Evaluation of A Fluidized Bed Dryer Performance ”. The International Journal of Engineering And Science (IJES), 2(6), 45-53.
  19. K. N. Nwaigwe, C. A. Okoronkwo, N. V. Ogueke, P. E. Ugwuoke, & E. E. Anyanwu (2012) “Transient Analysis and Performance prediction of Nocturnal Radiative Cooling of a Building in Owerri, Nigeria”. Research Journal of Applied Sciences, Engineering and Technology 4(15): 2496-2506.
  20. K. N. Nwaigwe, P. E. Ugwuoke, E. E. Anyanwu& D.P.S. Abam (2012) “Analysis of Mechanical Seals for High-Speed Centrifugal Gas Compressors”. Research Journal of Applied Sciences, Engineering and Technology 4(15): 2388-2395.
  21. N. C. Ezeanya, K. N. Nwaigwe, and P. E. Ugwuoke (2012) “Analysis of the Effects of a Flat Plate Solar Dryer Geometry on Drying Rate of Agricultural Seeds”. Asian Journal of Agricultural Sciences, 4(5): 333-336.
  22. K. N. Nwaigwe, C. Nzediegwu& P. E. Ugwuoke (2012) “Design, Construction and Performance Evaluation of a Modified Cassava Milling Machine”. Research Journal of Applied Sciences, Engineering and Technology, 4(18): 3354-3362.
  23. K. N. Nwaigwe, C. A. Okoronkwo, N. V. Ogueke, & E. E. Anyanwu (2010) “Review of Nocturnal Cooling Systems”. International Journal of Energy for a Clean Environment, 11(1–4), 117–143.
  24. K. N. Nwaigwe and J. U. Okoli (2004) “Policy Perspectives for Enhancing Development of Small Scale Manufacturing in Nigeria”. Nigerian Journal of Engineering Management, 5(2), 13 – 19.
  25. K. N. Nwaigwe and C. C. Enweremadu (2016) “Comparative Analysis of a Locally Developed Biogas Digester Using Selected Substrates”. Proceedings of ASME Power & Energy Conference and Exhibition in Charlotte, North Carolina, USA (June 2016).
  26. K. N. Nwaigwe and C. C. Enweremadu (2016) “Performance analysis of gas turbine power plant pre-cooling techniques in the tropics”. International Conference on Energy, Environment and Economics (ICEEE2016), August 16-18, Heriot-Watt University, Edinburgh, UK.
  27. S. Ihuoma, N. Nzediegwu and K. N. Nwaigwe (2016) “Erosion Control Using Bermuda Grass-Lined Channels: A case study of South Eastern Nigeria”. Proceedings of CSBE/SCGAB AGM and Technical Conference in Halifax, Nova Scotia, Canada (July 2016).
  28.  S. O. Ohanyere, K. N. Nwaigwe, S. N. Asoegwu and C. I. Ijioma (2016)Analysis of Deflection Characteristics of Selected Cultivation Hoes in Mechanized Tillage within West Africa”. Proceedings of ASABE Annual International Meeting in Orlando, Florida, USA (July 2016).
  29. K. N. Nwaigwe and C. C. Enweremadu (2015) “Analysis of Chemical Oxygen Demand (COD) removal rate using Upflow Bioreactor with Central Substrate Dispenser (UBCSD)”. Proceedings of 4th International Conference on Advances in Engineering Sciences and Applied Mathematics in Kuala Lumpur, Malaysia (December 8-9, 2015).
  30. K. N. Nwaigwe, V. C. Okafor, G. U. Asonye, and J. C. Nwokocha (2015) “Analysis of Tuber Storage Techniques in Africa: A Review”. Proceedings of 2015 ASABE Annual International Meeting in New Orleans, Loiusiana, USA.
  31. A. C. Ogbonna, K. N. Nwaigwe, E. E. Anyanwu, & R. E. Amechi (2012) “Performance Prediction of Passive Cooling Using a Sustainable Climate Responsive Building Design”, proceedings of the Third International Conference on Construction in Developing Countries, July, Bangkok, pp. 73-74.
  32. K. N. Nwaigwe, N. V. Ogueke, P. E. Ugwuoke, & E. E. Anyanwu (2012) “Comparative Evaluation of a Developed Batch Reactor using Various Feedstock”, proceedings of International Mechanical Engineers Congress and Exhibition (IMECE)  IMECE2012-89889, November 9 - 15, Houston, Texas by American Society of Mechanical Engineers (ASME).
  33.   K. N. Nwaigwe, N. V. Ogueke, C. Kamalu, and E. E. Anyanwu (2014). “Design and Construction of a Biodiesel Batch Reactor with Improved Settling Capability”. Proceedings of International Mechanical Engineers Congress and Exhibition (IMECE) IMECE2014-40246, November 14 - 20, Montreal, Quebec, Canada by American Society of Mechanical Engineers (ASME).
  34.  K. N. Nwaigwe, N. V. Ogueke, C. Ononogbo, & E. E. Anyanwu (2013) “Performance Study of Anaerobic Digestion of Organic Municipal Waste in Upflow Bioreactor With Central Substrate dispenser”, proceedings of International Mechanical Engineers Congress and Exhibition (IMECE)  IMECE2013-64064, November 15 - 21, San Diego, California by American Society of Mechanical Engineers (ASME).
  35.   N. V. Ogueke, K. N. Nwaigwe, C. Nwaiwu & E. E. Anyanwu (2013) “Experimental Investigation of the Effect of Materials and Their Surface Colours on Nocturnal Cooling”, proceedings of International Mechanical Engineers Congress and Exhibition (IMECE)  IMECE2013-65920, November 15 - 21, San Diego, California by American Society of Mechanical Engineers (ASME).

Professional positions, fellowships & awards

  • Member, American Society of Mechanical Engineers (ASME)
  • American Society of Agricultural and Biological Engineers (ASABE).
  • Member, South African Institution of Mechanical Engineering
  • Member, Nigeria Society of Engineers
  • Keynote Speaker, 4th International Conference on Advances in Engineering Science and Applied Mathematics, Kuala Lumpur, Malaysia
  • Session Chair, Thermal and Energy Analyses in Fuel Processing and Biofuel Systems Session, ASME 2016 10th International Conference on Energy Sustainability, Charlotte NC, USA.
  • 2016 Knowledge Interchange and Collaboration (KIC) grant (KIC160215158265) No.: 104373 Source: National Research Foundation South Africa.

Projects

  • Characterization of Biomass Resources in South Africa
  • Biofuel production and characterization for IC engine utilization