Engr. Dr. Anthony Ogochukwu Onokwai is a Senior Lecturer in the Department of Mechanical Engineering at Pan-Atlantic University, Lekki, Nigeria. His professional journey encompasses a diverse background, including two years as a Mechanical Technologist in the oil sector, four years as a Laboratory Technologist at the University level, and six years as a University lecturer. His academic qualifications include a PhD, M.Eng (with Distinction), B.Eng (First Class), and HND (Upper Credit) in Mechanical Engineering, specializing in Thermofluids and Energy Systems. These degrees were earned from Landmark University, Nnamdi Azikiwe University, Kwara State University, and Federal Polytechnic, Ado-Ekiti, respectively.

Engr. Dr. Onokwai registered Engineer with COREN and a member of professional bodies including the Nigerian Society of Engineers (NSE), Nigerian Association of Technologists in Engineering (NATE), and Project Management Professional (PMP). He is a distinguished expert in Thermofluids and Energy Systems, with a specialization in renewable energy systems, sustainable development, and engineering design. His expertise spans energy analysis, modelling and optimisation of automated energy systems, all driven by a commitment to enhancing the performance of engineering systems for both industrial and domestic applications. Engr. Dr. Onokwai research work closely aligned with SDG7, advocating for clean and affordable energy, and SDG13, promoting climate action.

As an African professional, he is deeply committed to reducing carbon emissions and addressing the renewable energy challenges confronting the continent. His extensive experience in leading multidisciplinary research projects and mentoring young researchers. His contributions to renewable energy production and energy efficiency have garnered wide recognition, with numerous publications in high-impact journals (with over 50 indexed in Scopus) and invitations to speak at national and international conferences and workshops.

He currently serves as a Research Fellow in the Department of Mechanical and Mechatronics Engineering, Faculty of Engineering and the Built Environment, at Tshwane University of Technology, South Africa. Additionally, He is an active member of the Technical Committee of the Standards Organization of Nigeria (SON), specifically SON-ME/TC 14 (Domestic and Industrial Bioenergy/Biogas Systems, Appliances, and Equipment) and SON-ME/TC 8 (Tricycles, Motorcycles, Bicycles, Mopeds, and Components).

PUBLICATION SOURCES

Google Scholar ID: https://scholar.google.com/citations?user=gnPIJSgAAAAJ&hl=en

Scopus ID: https://www.scopus.com/authid/detail.uri?authorId=57201456942#top

SELECTED PUBLICATIONS

1. Onokwai, A. O, Olusanya, O. O., Anyaegbuna, B. E., Iweriolor, S., Omoniyi, E. B. (2024).         Comparative analysis of response surface methodology and adaptive neuro-fuzzy inference system for predictive fault detection and optimization in beverage industry. Frontiers in Mechanical Engineering, 10(2024). DOI 10.3389/fmech.2024.1428717.
2. Anyaegbuna, B. E., Onokwai, A. O., Iweriolor, S., Igharvwe, D. E., Fayomi, S. O. (2024). Numerical Analysis on Mechanical Ventilation Impact on Indoor Air Quality in a Basement. Scientific African, (2024). doi:https://doi.org/10.1016/j.sciaf.2024.e02310.
3. Olusanya, O. O., Onokwai, A. O, Anyaegbuna, B. E., Iweriolor, S., Omoniyi, E. B. (2024).         Modelling and optimization of operating parameters for improved steam energy production in the food and beverage industry in a developing country. Frontiers Energy Research, 12(2024). doi: 10.3389/fenrg.2024.1417031
4. Onokwai, A. O., Efetobor, U.J., Onokpite, E. and Okonkwo, U. C. (2024). Response Surface Methodology Application for the Optimization of Biogas Yield from an Anaerobic Co- Digestion Process. Portugaliae Electrochimica Acta, 42 (2024) 187-203. https://doi.org/10.4152/pea.2023420304.
5. Dirisu, J. O., Oyedepo, S. O., Olawole, O. C., Onokwai, A. O., Alam, M.M. Kale, S. A. (2024). A comprehensive review of biofuel utilization for household cooking in developing countries: Economic and environmental impacts. Process Safety and Environmental Protection, 2024, 191, 585–604. https://doi.org/10.1016/j.psep.2024.08.068.
6. Onokwai, A. O., Onokpite, E., Olabisi, A. S., Oyebanji, J. O. (2024). Preliminary characterization of woody and non-woody biomass samples based on physic-chemical, structural composition, and thermal analysis for improved quality bio-oil yield. Portugaliae Electrochimica Acta, 42 (2024) 285-298. http://dx.doi.org/10.4152/pea.2024420404
7. Kufre, E. U., Onokwai, A. O., Onifade, M. K. (2024).  Integrating maintenance practices with industry 4.0 in manufacturing systems. IEEE Explore. https://doi.org/10.1109/SEB4SDG60871.2024.10630010
8. Okopuijie, I. P., Olotu, O.F., Akande, S. Onokwai, A. O. (2024). Study of Alumina Particles as a Sustainable Reinforcement Material for Aluminium Composite Manufacturing. IEEE Explore. https://doi.org/10.1109/SEB4SDG60871.2024.10630071
9. Onokwai, A. O., Faola, D., Anyeagbune, B. Osuizugbo, I. (2024). An In-Depth Review of Biomass for Sustainable Energy Generation in Nigeria's. IEEE Explore. https://doi.org/10.1109/SEB4SDG60871.2024.10630001
10. Okunade, S., Anyeagbune, B., Onokwai, A. O., Fayomi, O.S. (2024). Short Overview of Energy Potential Trials and Triumphs of Institution. IEEE Explore. https://doi.org/10.1109/SEB4SDG60871.2024.10629729
11. Okokpujie, I. P., Kien-Olali A. Kinggs, Onokwai, A. O. (2024). Review and Analysis of IoT-Based Control Systems in Supply Chain Distribution, Home Applications, Irrigation Monitoring, and Energy Generation: Challenges and Future Trends. IEEE Explore.

https://doi.org/10.1109/SEB4SDG60871.2024.10630352

• Onokwai, A. O., Olabisi, A. S., Balogun, A. O., Fakinle, S. O., Ibikunle, R. A. (2024). Charcoal Production in Maryland County, Liberia: Producers' Tree Species Preference. IEEE Explore. https://doi.org/10.1109/SEB4SDG60871.2024.10630293.
• Onokwai, A. O., Olayokun, O. E., Faola, D. I., Muslim, I. O. (2024). Review of Biomass as a Renewable Energy for Sustainable Environment. IEEE Explore. https://doi.org/10.1109/SEB4SDG60871.2024.10629775
• Samuel, G. I. Anyeagbune, B., Onokwai, A. O., Fayomi, O.S. (2024). A Review on Development and Synthesis of Carbon Rich Filler on Dross Alloy for Building Ceiling. IEEE Explore. https://doi.org/10.1109/SEB4SDG60871.2024.10630092
• Onokwai, A. O., Okokpujie, I. P., Ajisegiri, E. S. A., Nnodim, C. T., Kayode, J. F., Tartibu, L. K. (2023). Application of Response Surface Methodology for the Modelling and Optimization of Bio-Oil Yield via Intermediate Pyrolysis Process of Sugarcane bagasse. Advances in         Materials and  Processing      Technologies.

https://doi.org/10.1080/2374068X.2023.2193310.

• Onokwai, A. O., Okokpujie, I. P., Onokpite, E., Babaremu, K., Akinlabi, E. T. (2023). Modelling and Optimization of Intermediate Pyrolysis Synthesis of Bio-oil Production from Palm Kernel Shell. Cleaner Engineering and Technology, 16 (2023), 100672. https://doi.org/10.1016/j.clet.2023.100672.
• Onokwai, A. O., Ajisegiri, S. A. E., Omoniyi, E. B. (2023). Optimization of Process Parameters for Intermediate Pyrolysis of Sugarcane Bagasse for Biochar Production using Response Surface Methodology. 2023 IEEE Explore. Doi:10.1109/SEB- SDG57117.2023.10124642.
• Ikpesenia, S.C., Owamah, H.I., Sada, S.O., Onokwai, A. O., Onochie, P.U. (2023). Adsorption behaviour of scent leaf extract as corrosion inhibitor for carbon steel in natural sea water. International Journal of Corrosion and Scale Inhibition, 12(2), 531-559. https://doi: 10.17675/2305-6894-2023-12-2-9.
• Onokwai, A. O., Emifoniye, E., Osuizugbo, I. C., Onifade, M. K., Owamah, H.
  • (2023). Interaction Effect of Green Sand Mixtures Parameters on Tensile Strength Mechanical Property of Cast Aluminum 6351 using a Statistical Approach. IEEE Explore. Doi:10.1109/SEB-SDG57117.2023.10124598.
• Onokwai, A. O., Oyebanji, J.A., Okokpujie, I. P., Babaremu, K. and Tien- Chien J. (2023). Characterization of Adansonia Digitat (Baobab Wood) Bio‑oil and Biochar Produced using a Fixed-Bed Tubular Reactor. Revue des Composites et des Materiaux Avances, 33 (1), 39-46. https://doi.org/10.18280/rcma.330106.
• Osuizugbo, I.C., Onokwai, A.O., Faleti, O.O. (2023). Principal factor analysis of project designers’ roles in improving construction projects buildability in Nigeria. Journal of Engineering, Design and Technology. https://doi.org/10.1108/JEDT-02-2023-0067.
• Osuizugbo, I.C., Onokwai, A.O., Nnodu, V. C., Olojo, A. D. (2023). Perceived Factors Inhibiting Environmental Impact Assessment Practice in Construction Industry. Practice Periodical on Structural Design and Construction. https://doi.org/10.1061/PPSCFX.SCENG- 1257.
• Onokwai, A. O., Okeke, C. L., Okokpujie, I. P., Okonkwo, U. C. (2023). Evaluation of Drying   Behaviour of Cassava Chips under Open Sun and Oven Drying Technologies. International Journal of Design & Nature and Ecodynamics, 18 (3), 547-556.
• Osuizugbo, I.C., Onokwai, A. O., Aina, O. O. (2023). Roles of clients in buildability improvement in Nigeria: an exploratory factor analysis. Built Environment Project and

Asset Management. https://doi.org/10.1108/BEPAM-01-2023-0007.

• Osuizugbo, I.C., Oshodi, O. S., Onokwai, A. O. (2023). Barriers to Adoption of Work-Life Balance Practices amongst Construction Companies in Lagos, Nigeria: An Exploratory Factor Analysis. Engineering, Construction and Architectural Management. https://doi.org/10.1108/ECAM-04-2023-0407.
• Onokwai, A. O., Okeke, C. L., Okokpujie, I. P., Okonkwo, U. C., Adeoye, A.O.M, Tartibu, L. K. (2023). Determination of Optimum Process Parameters of the Drying Rate of Cassava Samples Using the Square Design Method. E3S Web of Conference, 430, 01236 (2023). https://doi.org/10.1051/e3sconf/202343001236.
• Olusanya, O. O., Olabode, E. Olakunle, Onokwai, O. A., Olakunle, A. J. (2023). Application of Programmable Electronic Flow Meter for Enhanced Data Capturing: A Case Study of the Beverage Industry in Ogun State, Nigeria. IEEE Explore. Doi:10.1109/SEB- SDG57117.2023.10124623.
• Okokpujie, I. P., Odudu1, E. S., Azeez, T. M., Onokwai, A. O., Adeoye, A. O. M. (2023). Behavioural Study of High Carbon Steel Material in Hot and Cold Working Media: A Review. E3S Web of Conference, 430, 01236 (2023). https://doi.org/10.1051/e3sconf/202343001210
• Onokwai, A. O., Owamah, H. I., Ibiwoye, M. and Ayuba, G. (2022). Application of Response Surface Methodology (RSM) for the Optimization of Energy Generation from Jebba Hydro- power Plant, Nigeria. ISH Journal of Hydraulic Engineering, 28 (1), 1-9. https://doi.org/10.1080/09715010.2020.1806120.
• Onokwai, A. O., Okokpujie, I.P., Ibiwoye, M., Ayuba, G., Owamah, H. I. (2022). Effect of thermal and flow properties on the performance of Jebba-Hydropower Plant, Jebba, Nigeria. Materials Today: Proceedings, 65 (3), 2245-2253. https://doi.org/10.1016/j.matpr.2022.06.342.
• Onokwai, A. O., Ajisigiri, A. O., Okokpujie, I. P., Ibikunle, R. A. and Dirisu, J. O. (2022). Characterization of lignocellulose biomass, based on proximate, ultimate and structural analysis. Materials Today: Proceedings. https://doi.org/10.1016/j.matpr.2022.05.313.
• Onokwai, A. O., Okokpujie, I.P., Ajisegiri, E. S., Oki, M., Akinlabi, E. T. (2022). Characterization of Lignocellulosic Biomass Samples in Omu-Aran Metropolis, Kwara State, Nigeria, as Potential Fuel for Pyrolysis Yields. International Journal of Renewable Energy Development, 11(4), 973-981. https://doi.org/10.14710/ijred.2022.45549.
• Nnodim, C. T., Kpu, G. C., Okhuegbe, S. N., Onokwai, A. O., Osueke, C. O. (2022). Figures of Merit for Wind and Solar PV Integration in Electrical Grids. Journal of Scientific and Industrial Research, 81 (2022), 349-357. http://op.niscpr.res.in/index.php/JSIR/article/view/49357.
• Anyaegbuna, B. E., Onokwai, A. O., Olayemi, O. A., Adegun, I. K. (2022). Development and Performance Evaluation of Locally Fabricated Thermal Conductivity Apparatus. 7 (3). FUOYE Journal of Engineering and Technology. https://doi.org/10.46792/fuoyejet.v7i3.909.
• Alfa, M. I., Onokwai, A. O., Owamah, H. I., Gopikumar, S., Oyebisi, S. O., Kumar, S. S., (2021). Evaluation of biogas yield and kinetics from the anaerobic co-digestion of cow dung and horse dung: a strategy for sustainable management of livestock manure. Energy, Ecology and Environment, 6 (2021), 425-434. http://doi.org/10.1007/s40974-020-00203-0.
• Oladejo, O. S., Abiola, A. O., Olanipekun, A. A., Onokwai, A. O. (2020). Energy Potential of Solid Waste Generated in Landmark University, Omu-Aran, Kwara State, Nigeria. LAUTECH Journal of Civil and Environmental Studies, 5 (2020). https://doi.org/10.36108/laujoces/0202/50(0150).
• http://doi.org/10.1016/j.enmm.2020.100347 .
• A. O., Okonkwo, U.C., Osueke, C.O., Okafor, C.O., Olayanju, T.M.A., Dahunsi, S.O. (2019). Design, Modelling, Energy and Exergy Analysis of a Parabolic Cooker. Renewable Energy, 142(2019), 497-510. https://doi.org/10.1016/j.renene.2019.04.028.

• Banjo, S. O., Bolaji, B. O., Ajayi, O. O., Olufemi, B. P., Osagie, I. and Onokwai, A. O. (2019). Performance Enhancement using Appropriate Mass Charge of R600A in a Developed Domestic Refrigerator. IOP Conf. Series: Earth and Environmental Science, 331 (2019) 012025. http://doi:10.1088/1755-1315/331/1/012025.
• Onokwai, A. O., Okonkwo, U. C., Osueke, C. O., Olayanju, T. M. A. and Ibiwoye, M. (2019). Thermal Analysis of Solar Box Cooker in Omu-Aran Metropolis. Journal of Physics: Conference Series, 1378 (3) 032065. doi:10.1088/1742-6596/1378/3/032065.
• Osueke, C.O., Onokwai, A.O., Olayanju, T.M.A., Ezugwu, C.A., Ikpotokin, I., Uguru-Okorie,

D.C. and Nnaji, F.C. (2019). Comparative Calorific Evaluation of Biomass Fuel and Fossil Fuel. International Journal of Civil Engineering and Technology(IJCIET).9(13):1576-1590. http://www.iaeme.com/ijciet/issues.asp?JType=IJCIET&VType=9&IType11.                                                                                                             

• Diarah, R.S., Oyetunji, S.A. and Osueke, C.O., Onokwai, A.O. (2018). Dataset on Cellular and Geospatial Information of a 10km Distance along Akure-Ilesha Road. Data in Brief, Elsevier 22(2019), 530-336, https://doi.org/10.1016/j.dib.2018.12.035.
• Diarah, R.S., Oyetunji, S.A., Osueke, C.O., Onokwai, A.O. and Ezugwu, C.A. (2019). Vehicular Speed Determination using Cellular and Geospatial Information. International Journal of Civil Engineering and Technology (IJCIET),10(1), 1496-1506. http://www.iaeme.com/IJMET/issues.asp?JType=IJMET&VType=10&IType=1.
• Onokwai, A.O., Okonkwo, U.C., Osueke, C.O., Ezugwu, C.A., Eze, N.C., Diarah, R.S. and Olawale, O. (2019). Quantifying Cassava Waste Generation and Biogas Production in Eha- Alumona Grinding Mills. International Journal of Civil Engineering and Technology (IJCIET),                                                10(1), 2032-2043.

http://www.iaeme.com/IJCIET/issues.asp?JType=IJCIET&VType=10&IType=01.

• Balogun, K., Lasode, M., Onokwai, A. O., Ezugwu, C. A., Olayanju, T.M.A. and Osueke,

C.O. (2019). Elemental analysis and combustion characteristics evaluation of Nigerian biomass resources. International Journal of Mechanical Engineering and Technology (IJMET), 10 (2). 1522 -1527.

• Onokwai, A. O., Okonkwo, U.C., Okeke, C.L., Osueke, C.O., Ezugwu, C.A., Diarah, R.S. and Aremu, C.O. (2018). Investigation of the Effect of Temperature on the Rate of Drying Moisture and Cyanide Contents of Cassava Chips using Oven Drying Process. International Journal of Mechanical Engineering and Technology (IJMET), 10(1), 1507-1520. https://www.researchgate.net/publication/330924538.
• Onokwai, A.O., Ezugwu, C.A., Osueke, C.O., Diarah, R.S., Olayanju, T.M.A., Braimoh, S.O., Olawale, O. and Nnaji, F.C. (2018). Design and Fabrication of a Motorized/Power Operated Plantain Slicer for Optimum Chips Production. International Journal of Mechanical Engineering        and      Technology     (IJMET), 9(12). http://www.iaeme.com/IJMET/issues.asp?JType=IJMET&VType=10&IType=1.
• http://www.iaeme.com/ijmet/issues.asp?JType=IJMET&VType=9&IType=11Onokwai, A.O., Osueke, C.O., Ezugwu, C.A., Ikpotokin, I. Okunola, A.A. and Ibiwoye, M. (2018). Design and Fabrication of an Anaerobic Digester for Biogas Production. International Journal of Civil Engineering and Technology (IJCIET). 9(11):2639-2648. http://www.iaeme.com/ijciet/issues.asp?JType=IJCIET&VType=9&IType11.                                                                                                            
• Ezugwu, C.A., Osueke, C.O., Onokwai, A.O., Ibikunle, R., Olayanju, T.M.A. and Uguru- Okorie, D.C. (2018). Modeling of Regenerative Chatter of a Milling Process to Delineate Stable Cutting Region from Unstable Region. International Journal of Mechanical Engineering and Technology      (IJMET), 9(1): 748–757
• Osueke, C.O., Onokwai, A.O., Olayanju, T.M.A., and Uzendu, P. (2018). Design and Construction of an Automatic Fish Feeder Machine. International Journal of Mechanical Engineering     and Technology           (IJMET),  9(10):                   1631–1645. http://www.iaeme.com/ijmet/issues.asp?JType=IJMET&VType=9&IType=10.                                      
• Onokwai, A. O., Okonkwo, U.C., and Okafor, C. E. (2018). Thermal Performance of a Developed Solar Box Cooker for Awka Metropolis. Unizik Journal of Engineering and Applied Science, 15(2018): 64-75. https://dx.doi.org/10.2139/ssrn.3220855.

xl.        Onokwai, A. O., Onokpite, E., Achebe, C. H. (2018). Anaerobic Digestion and Co-digestion of Poultry Dropping (PD) and Cassava Peels (CP): Comparative Study of Optimal Biogas Production. Unizik Journal of Engineering and Applied Science, 15 (2018): 87-93.https://www.researchgate.net/publication/326560749_Anaerobic_Digestion_and_Codigestion_of_Poultry_Droppings_PD_and_Cassava_Peels_CP_Comparative_Study_of_Optimal_Biog as_Production.

xli.      Okonkwo, U. C. Onokwai, A. O., and Onokpite, E., (2017). Comparative Study of the OptimalRatio of Biogas Production from various Organic Wastes and Weeds for Digester/Restarted Digester. Journal of King Saud University-Engineering Science, 30 (2): 123-129. https://doi.org/10.1016/j.jksues.2016.02.002.

xlii.   Okafor, C. E. Emumwen, E. M. Enibe, S. O. and Onokwai A. O. (2016). Computer Aided static Analysis of Frame and Theoretical Heat Conduction Model for Soya Milk Batch Pasteurizer. Scholars     Journal     of     Engineering     and     Technology     (SJET),     19(4):     560-569.

https://papers.ssrn.com/sol3/papers.cfm?abstract_id=2899711.

xliii. Okonkwo U C., Onokwai, A. O., and Onokpite E. (2015). Software for Stresses and

Mohr’s Circle Computation, Transformation and Sensitivity. International Journal of Engineering Trends and Technology. 28(3):123-129. DOI: 10.14445/22315381/IJETT-V28P224.

xliv. Onokwai, A. O., Osueke, C. O., Adeoye, A. O. and Ezugwu, C. A. K. (2015). Enhancing the Performance of 75MW Steam Power Plant with Second Law Efficiency, Condenser Pressure, and Rankine Cycle. The International Journal of Engineering and Science (IJES). 10(9): 18-29. http://www.theijes.com/papers/v4-i9/Version-2/C0492018029.pdf.

xlv. Onokwai, A. O., Osueke, C. O. and Adeoye, A. O. (2015). Energy and Exergy Analysis of a 75MW Steam Power Plant in Sapele (Nigeria). International Journal of Innovative Research in   Advanced Engineering (IJIRAE),11(2):169-179. http://www.ijirae.com/volumes/Vol2/iss6/26.JNAE10124.pdf.

xlvi. Osueke, C. O. Onokwai, A. O. and Adeoye, A. O. (2015). Experimental Investigation on the Effect of Fluid Flow Rate on the Performance of a Parallel Flow Heat Exchanger. International Journal of Innovative Research in Advanced Engineering (IJIRAE), 12(3): 10-23. http://www.ijirae.com/volumes/Vol2/iss6/02.JNAE10085.pdf.

xlvii. Onokwai, A. O., Adeoye, A. O., Osueke, C. O. and Ezugwu, C. A. K. (2015). Behaviors of Stresses on Material at Different Angle of Inclination using Stress and Mohr’s Circle Computation and Transformation Software. International Journal of Innovative Research in Advanced                                 Engineering                                 (IJIRAE),                     12(4):                      24-35.http://www.ijirae.com/volumes/Vol2/iss6/03.JNAE10088.pdf.