Department of Physics
Professor
Researcher
Biography

Prof. Reccab Ochieng MANYALA is currently Professor of Physics at the University of Zambia where he lectures in Physics and carries out research and consultancy in New and Renewable Energy and Renewable Energy Technologies.  He obtained his PhD. in Renewable Energy and Renewable Energy Technologies from Maseno University (Kenya) in 2009. Prof. MANYALA holds Bachelor degree in Education Science-BEd-Science (Physics Mathematics), a Master degree in Theoretical Physics (Plasma Physics and Mathematical Physics) from University of Nairobi (Kenya) as well as a Master degree in Experimental Physics (Condensed Matter Physics) from University of Arkansas (USA).  He has published extensively and has research and teaching experience in many areas of Physics spanning over thirty years in Kenya and abroad.

Qualifications:

1          Doctor of Philosophy-PhD (Physics).

Specialization in New and Renewable Energy and Energy Technologies Maseno University- Maseno, Kenya 2009

2          Master of Science in Physics (Experimental).

Specialization in Condensed Matter Physics (High Temperature Superconductivity-Electronics) and Laser Physics Application.  University of Arkansas. Fayetteville, Arkansas (USA) 1991

3          Master of Science in Physics (Theoretical).

Specialization in Plasma Physics and Mathematical Physics.

University of Nairobi.  Nairobi, Kenya.1985

4          Bachelor of Education Science (BEd. Science) –Physics Major.

University of Nairobi. Nairobi, Kenya.1983

 

 

Post university training

 

  1. Fintech Kenya – Financial Technology Specialist (Fintech Training Centre, Nairobi – Kenya).  Awarded: Certificate in SCO Unix Open Server Networking System. (2002)

 

  1. Academy of Information Technology (Harare – Zimbabwe)

Awarded: Microsoft Certificate in Administering MS Windows NT 4.0 Core Technologies, 15th January 1999.

 

  1. Academy of Information Technology (Harare – Zimbabwe) 

Microsoft Certificate in Supporting MS Windows NT 4.0 Core Technologies, 29th January 1999.

Awarded: Microsoft Certificate in Supporting MS Windows NT 4.0 Core Technologies, 29th January 1999.

 

  1. Academy of Information Technology (Harare – Zimbabwe)

Awarded: Microsoft Certificate in Networking Essentials for MS Back Office, 5th February 1999.

 

  1. Academy of Information Technology (Harare – Zimbabwe)

Awarded: Microsoft Certificate in Supporting MS Windows 95 Technologies, 12th February 1999.

 

  1. Academy of Information Technology (Harare – Zimbabwe)

Awarded: Microsoft Certificate in Supporting MS Windows NT Server 4.0 Enterprise Technologies, 22th February 1999.

  1. Academy of Information Technology (Harare – Zimbabwe)

Awarded: Internetworking with TCP/IP on Windows NT 4.0, 5th March 1999

 

  1. Academy of Information Technology (Harare – Zimbabwe).

 

Awarded: Microsoft Certificate in Exchange 5.5 Implementation and Design, 26th March 1999.

 

  1. Archeilis (Kenya) Limited

Awarded: Certificate on User, Maintenance and Repairs of FlukeÒ Oscilloscope Model PM3384A, 5th September 1997.

 

  1. World Bank-Utility Scale Solar power Plants training (University of Zambia)-14th -16th June 2016.  Awarded Certificate

 

Research Interests

I am currently interested and doing research on non-conventional renewable energy (sources, uses, technologies, economics and capabilities) such as

Publications

Publications in refereed journals

 

  1. R.O. Manyala, (July 2000). Compton Scattering of Gamma Rays on Teflon.  Maseno Journal of Education, Arts and Science (MJEAS-ISSN: 1019-360X). Vol. 3(1): 100 – 107.

 

  1. Ochieng R. M, (July 2001).  A Modified Migdal-Kadanoff Approximation to the Calculation of Free Energy of a Statistical Mechanical System in the 2-D Ising Model.  Maseno Journal of Education, Arts and Science (MJEAS-ISSN: 1019-360X). Vol. 4(1): 86 – 93.

 

  1. Reccab O Manyala and Genga R.O., (2003).  Near-Infrared Optics: On the Theory of Light Emission by Mesoscopic Particles and Strongly Localized Electron Wave Particles.  Maseno Journal of Education Arts and Science -MJEAS Vol. 4(2) ISSN: 109-360X 118-124.

 

  1. Manyala R.O and Genga R.O., (Dec. 2005). Solution of the Coulomb scattering potential problem by the method of contour integration and change of appropriate functions.  African Journal of Science. Vol. 6(2) 77-83.

 

  1. Frederick N. Onyango and Reccab M Ochieng., (2006).  The potential of solar chimney application in rural areas of developing countries Fuel Vol.85 Issues 17-18, 2561-2566.

 

  1. Xinping Zhou, Jaikuan Yang, Reccab M Ochieng, Xiangemi Li, Bo Xiao., (2009). Numerical investigation of plume from a power generating solar chimney in an atmospheric cross flow Atmospheric Research 91: 26-35.

 

  1. Teddy B Chibuye and Reccab O Manyala., (2006). Microsoft spreadsheet as a tool for scientific calculations I.  Maseno Journal of Education, Arts and Science (MJEAS-ISSN: 1019-360X). Vol. 5(2): 118 – 129.

 

  1. Reccab M Ochieng, Frederick N Onyango, Albert J Owino. (2007)  Determination of global absorptivity and emissivity of some opaque bulk materials using an integrating sphere calorimeter without ports. Meas. Sci. Technol. 18: 2667-2672.

 

  1. Reccab M Ochieng and Frederick Onyango., (2009) A new type of solar concentrator employing a cone-cylinder combination.  International Journal of Global Energy Issues Vol.31 (2) 169-182.

 

  1. Xinping Zhou, Bo Xiao, Reccab M Ochieng and Jiakuan Yang., (2009). Utilization of carbon-negative biofuels from low-input high diversity grassland biomass for energy in China.  Renewable and Sustainable Energy Reviews 13 479-485.

 

  1. Reccab M Ochieng and Frederick N Onyango., (2009).  The importance and effect of configurational geometry in the design and application of solar collectors and concentrators with reference to compound parabolic concentrators (CPCs) and cones.  International Journal of Energy, Environment and Economics Vol. 16, Issue 2/3 265-289.

 

  1. Reccab M Ochieng, Frederick N Onyango and Andrew O Oduor., (2010). Physical formulation of the expression of wind power.  International Journal of Energy, Environment and Economics Vol. 18 Issue 1-2, 1-7.

 

  1. Xinping Zhou, Fang Wang and Reccab M Ochieng., (2010).  A review of solar chimney power technology.  Renewable and Sustainable Energy Reviews, 14 2315-2338.

 

  1. Xinping Zhou, Fang Wang Jian Fan and Reccab M Ochieng., (2010).  Performance of solar chimney power plant in Qinghai-Tibet Plateau.  Renewable and Sustainable Energy Reviews, 14 2249-2255.

 

  1. Reccab M Ochieng, Frederick N Onyango and Andrew O Oduor, (2009).  A mathematical approach to the calculation of geometric concentration ratio of a modified cone concentrator.  International Journal of Mathematics Game Theory and Algebra Vol. 19, Issue 1/2, 1-6.

 

  1. Reccab M Ochieng and Frederick N Onyango, (2009).  Investigation of the geometric concentration ratio of a modified cone concentrator generated from compound parabolic concentrator (CPC) by use of configurational geometry.  International Journal of Energy, Environment and Economics Vol. 17, Issue 1, 11-18
  2. Reccab M Ochieng, Frederick N Onyango and Andrew O Oduor,  (2009). Development of direct current (d.c) to alternating current (a.c) inverters/oscillators for use in homes, schools and clinics in rural areas of developing countries.  International Journal of Energy, Environment and Economics Vol. 19, Issue 6, 547-554.

 

  1. Charles N. O. Kwach, Reccab M Ochieng and Frederick N. Onyango, (2010). Investigation of Some Factors that Lead to Improved Performance vis-à-vis the Efficiency of Single Basin Solar Stills.  Journal of Fundamentals of Renewable Energy and Applications Vol. 1 doi: 10.4303/JFREA/R101004.

 

  1. Xinping Zhou, Marco A. dos S Bernades, Reccab M. Ochieng, (2012.  Influence of atmospheric cross flow on solar updraft inflow, Energy 42, 393-400.

 

  1. Frederick N Onyango and Reccab M Ochieng, (2012).  Biomass and Forestry: An analytical evaluation of fuel wood energy. International Journal of Energy, Environment and Economics Volume 20 Issue 4, 319-326.

 

  1. Manyonge A W, Ochieng R M, Onyango F N and Sichikha J M., (2012). Mathematical Modelling of Wind Turbine in a Wind Energy Conversion System: Power Coefficient Analysis.  Applied Mathematical Sciences, Vol. 6, No. 19, 4527-4536.

 

  1. Reccab M Ochieng, (2012).  Modeling Energy Usage and Auditing by Matrix Technique.  International Journal of Energy, Environment and Economics Volume 20 Issue 4, 327-330.

 

  1. Reccab M Ochieng, (2013).  Auditing Energy sources and availability using matrix technique.  International Journal of Energy, Environment and Economics Volume 21 Number. 1-9.

 

  1. Reccab M. Ochieng and Gershom M. Chishimba, (2013).  Development of a Global Model for the availability of Energy by Matrix Technique.  International Journal of Energy, Environment and Economics Volume 21 Number.2, 164-167.

 

  1. Reccab M. Ochieng and Gershom M. Chishimba, (2013).  Deduction of the one-dimensional wave equation from the work energy theorem.  International Journal of Mathematics, Game Theory and Algebra Volume 22, Number 3, 29-36.

 

  1. Reccab M. Ochieng, (2013). Optimizing the Parameters of a Solar Concentrator Employing a Cone-Cylinder Combination.  International Journal of Energy, Environment and Economics Volume 21 Number 4. pp.383-389.

 

 

 

  1. Xining Zhou, Shuo Yuan, Ranchi Chen, Reccab M Ochieng. (2015) Sustainable production of energy from microalgae: Review of culturing systems, economics, and modeling.  Journal of Renewable and Sustainable Energy 7, 012701; doi: 10.1063/1.4906919.

 

  1. Jacob O. Oduogo and Reccab M. Ochieng, (2015).  Determination and application of the ultrasound energy and frequency using a 555-timer frequency generator for bats control.  International Journal of Energy, Environment and Economics Volume 22 Number 5. 411-419.

 

  1. Mwansa Mbayoni, Sylvester Hatwaambo and Reccab M. Ochieng, (2015).  Design, construction and evaluation of a parabolic concentrator-Photovoltaic (PV) system with improved efficiency.  International Journal of Energy, Environment and Economics Volume 22 Number 5. 421-436.

 

  1. Jacob O. Oduogo, Christopher Mayero and Reccab M. Ochieng, (2015). Investigation of Laplace’s Velocity Equation for Temperature Compensation in Pulse-Echo Time of Flight Ultrasonic Ranging.  International Journal of Mathematics, Game Theory, and Algebra Volume 24 Number 4. 278-287.

 

  1. Christopher Mayero, Jacob O. Oduogo, and Reccab M. Ochieng, (2015). Inverted Triangle Tri-Sonar Sensor Configuration for Obstacle detection and Avoidance. International Journal of Energy, Environment and Economics Volume 23 Number 1, 79-91.

 

  1. A. Habanyama, D. Silungwe, E. Phiri and R. O. Manyala, (2015).  Computational Study of the Electronic and Structural Properties of Semiconductors with Chalcopyrite Structure.  The African Review of Physics 10:0037. 291-301.

 

  1. R. M Ochieng and R.O Ochieng, (2016).  Analysis of the Betz Criterion in Wind Turbine Power Modelling by Use of ‘Variational Principle (Method)’ in the Power Equation.  International Journal of Energy, Environment and Economics Volume 23 Number 2, 283-289.

 

  1. R. M Ochieng and R.O Ochieng, (2016).  A power Series Formulation of the Betz’s Criterion and Equation in a Wind Turbine.  International Journal of Energy, Environment and Economics Volume 23 Number 2, 291-299.

 

  1. Shuo Yuan, Xinping Zhou, Reccab Ochieng. Xiangdong Zhou, (2016). A numerical Thermal Growth Model for Prediction of Microalgae Production in Photo bioreactors. J. Renewable and Sustainable Energy 8, 023102; doi: 10.1063/1.4942875.

 

 

  1. G. Samukonga, S. Hatwaambo, R. O. Manyala, (2017). Construction and Evaluation of the Performance of a Photovoltaic thermal (PV/T) Collector using the Batch Method.  International Journal of Energy, Environment and Economics Vol.24 No.2-3, 324-334.

 

6.0    Book chapters

 

  1. Reccab M Ochieng, Frederick N Onyango, (2009).  Work-Energy approach to the formulation of expression of wind power.  In: Advances in Energy Research, Vol. 1: (a book chapter-9) pp 259-265. ISBN: 978-1-61668-994-0.

 

  1. Reccab M Ochieng and Frederick N Onyango, (2010).  ‘Some techniques in configurational geometry as applied to solar collectors and concentrators’ in the Solar Collectors and Panels, Theory and Applications’, ISBN 978-953-307-142-8.

 

  1. Reccab M. Ochieng and Frederick N. Onyango, (2015). A Mathematical Approach to the Calculation of Geometric Concentration Ratio of a Modified Cone Concentrator. In Advances in Mathematics Research, Volume 14,  ISBN: 978-1-61209-280-5.

 

  1. Reccab M Ochieng and Frederick N Onyango, (2009).  In Solar Collectors: Energy Conservation, Design and Applications - The importance and effect of configurational geometry in the design and application of solar collectors and concentrators (a book chapter-9 by NOVA Science publishers ISNB: 978-1-60741-069-0). 229-252.

 

  1. Frederick N. Onyango and Reccab Ochieng Manyala, (2015).  Biomass and Forestry: An Analytical Evaluation of Fuel Wood Energy (Book Chapter -2) in Research and Applications for Energy and Environment and Economics (Environmental Science, Engineering and Technology) Riad Benelmir (ed), 23-30, ISBN 13: 978-1629488929.

 

  1. Reccab M. Ochieng, (2015).  Modeling Energy Usage and Auditing by Matrix Technique (Chapter 3) in Research and Applications for Energy and Environment and Economics (Environmental Science, Engineering and Technology) Riad Benelmir (ed), 31-34, ISBN 13: 978-1629488929.

 

  1. Reccab Ochieng Manyala (2018). ‘Introductory Chapter: Trends in Research on Energy Harvesting Technology’ in Energy Harvesting ISBN: 978-953-51-5992-6 Link address: http://mts.intechopen.com/articles/show/title/introductory-chapter-trends-in-research-on-energy-harvesting-technology

 

 

 

 

7.0.   Books

 

  1. Reccab M Ochieng (ed.), (2010).  ‘Solar Collectors and Panels, Theory and Applications’, ISBN 978-953-307-142-8.

 

  1. Reccab Manyala, (2011).  The Design and Functionality of a Solar Chimney Electric Power Plant,  LAP Lambert Academic Publishing, ISBN 978-3-8443-1163-1, paperback, 160 Pages.

 

  1. Reccab Manyala (ed), (2018).  Energy Harvesting: InTech Open Publishers ISBN: 978-953-51-5992-6.

 

  1. Reccab Manyala (ed), (2020).  A Guide to Small Scale Energy Harvesting Techniques: InTech Open Publishers.  DOI: 10.5772/intechopen.77520

ISBN: 978-1-78923-910-2, Print ISBN: 978-1-78923-909-6, eBook (PDF) ISBN: 978-1-83968-506-4, Copyright year: 2020

Link: https://www.intechopen.com/books/a-guide-to-small-scale-energy-harvesting-techniques

 

  1. Gershom M. Chishimba and Reccab O. Manyala (2020). A primer to University Physics with Easy to Understand Solved problems. Maiden Publishers, Lusaka-Zambia.  ISBN 978-9982-12-377-8.

 

8.0    Refereed conference publications

 

  1. R. Ochieng Manyala, (16th 23rd August 2004).  The potential of communication Technology (ICT) education in rural Africa. Proceedings of the Radio Africa workshop held at Mbagathi (Nairobi-Kenya).

 

  1. Reccab M Ochieng and Frederick N Onyango, (28th -30th September 2010).  The effect of collector temperatures on power output of solar updraft plants.  Proceedings of the second solar chimney power technology international conference. Bochum-Germany Ruhr University, 283-289.

 

  1. Xinping Zhou, Marco Auŕelio dos Santos Bernades, Reccab M Ochieng,  (October 26th -28th 2012).  Concern Issues on Solar Updraft Tower Power Technology.  Proceedings of the third International Conference on Solar Updraft Tower Power Technology. Huazhong University of Science and Technology (Wuhan, China), 165-173.

 

  1. Reccab Ochieng Manyala, An innovative way to measure absorptivity and emissivity of some opaque bulk material using an integrating sphere calorimeter without ports 4th National Symposium on Chemistry, Materials and Energy 2018, The University of Zambia-Department of Chemistry in Associaion with the Chemical Society of Zambia, 8-9 November 2018, Intercontinental Hotel, Lusaka, Zambia.
  2. Reccab Ochieng Manyala (2019). Solar Energy Implementation in Rural Off-Grid areas for Food Security and Health Matters - The Bigger Picture.  5th National Symposium on Chemistry, Materials and Energy 2019, The University of Zambia-Department of Chemistry in Associaion with the Chemical Society of Zambia, 07-08 November 2019, Intercontinental Hotel, Lusaka, Zambia.

 

Contact Details
reccabo@yahoo.com