Christian Emeka Okafor

Nnamdi Azikiwe University

PMB 5025

DE Anambra State

Nigeria

SCHOLARLY PAPERS

33

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CITATIONS

3

Scholarly Papers (33)

1.

The Role of Vocational and Technical Education in Manpower Development and Job Creation in Nigeria

Journal of Research and Development, Vol. 2, No. 1, June 2011
Number of pages: 8 Posted: 25 Jan 2017 Last Revised: 03 Aug 2018
Christian Emeka Okafor
Nnamdi Azikiwe University
Downloads 2,236 (5,872)
Citation 1

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Job Creation, Manpower Development, Vocational and Technical Education, Labour

2.

Availability Assessment of Steam and Gas Turbine Units of a Thermal Power Station Using Markovian Approach

Archives of Current Research International, Vol. 6(4), p. 1-17, DOI: 10.9734/Acri/2016/30240, 2016
Number of pages: 17 Posted: 04 Feb 2017
Christian Emeka Okafor, Augustine Atikpakpa and Okonkwo C.
Nnamdi Azikiwe University, Delta State Polytectnic and Nnamdi Azikiwe University
Downloads 40 (418,779)

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Availability; Assessment; Turbine; Markovian; Failure; Model

3.

Maintainability Evaluation of Steam and Gas Turbine Components in a Thermal Power Station

American Journal of Mechanical and Industrial Engineering, Vol. 2, No. 2, pp. 72-80, 2017
Number of pages: 9 Posted: 08 Mar 2017
Christian Emeka Okafor, Augustine Atikpakpa, Okonkwo C. and Ekerikevwe Irikefe
Nnamdi Azikiwe University, Delta State Polytectnic, Nnamdi Azikiwe University and Delta State Polytectnic
Downloads 39 (422,656)

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Maintainability, Steam Turbine, Gas Turbine, Power Station, Lognormal Distribution

4.

Performance Evaluation and Optimization of Single Barrel Cassava Grating Machine on Selected Fresh and Stored Cassava Species

IOSR Journal of Mechanical and Civil Engineering (IOSR-JMCE), Volume 13, Issue 4 Ver. VI PP 31-38, (Jul. - Aug. 2016)
Number of pages: 8 Posted: 20 Jan 2017 Last Revised: 03 Aug 2018
Okonkwo C., Michael Onwukwe, Edwin Oriaku and Christian Emeka Okafor
Nnamdi Azikiwe University, Nnamdi Azikiwe University, Project Development Institute, (PRODA) and Nnamdi Azikiwe University
Downloads 25 (486,616)

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Grating Machine, Fresh Cassava, Stored Cassava, Abrasive Hole, Performance Evaluation, Grating Efficiency

5.

Material Selection and Fluid Flow Analysis of Parallel Flow Heat Exchanger

Archives of Current Research International, Vol. 6(3), p. 1-14, 2016
Number of pages: 14 Posted: 02 Feb 2017 Last Revised: 03 Aug 2018
Christian Emeka Okafor, Alex Tagbo, Obiora Obiafudo and Emmanuel Nwadike
Nnamdi Azikiwe University, Technische Universität Berlin (TU Berlin), Nnamdi Azikiwe University and Nnamdi Azikiwe University
Downloads 24 (492,099)

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Parallel Flow; CFD; ASPEN HYSYS; Heat Transfer; Fluid Flow

Evaluation of Compressive and Energy Adsorption Characteristics of Plantain Fiber Reinforced Composites

World Journal of Engineering and physical Sciences Vol. 2 (3) pp. 036-048, April 2014
Number of pages: 13 Posted: 21 Jan 2017 Last Revised: 03 Aug 2018
Christian Emeka Okafor and H. C Godwin
Nnamdi Azikiwe University and Nnamdi Azikiwe University
Downloads 24 (507,231)

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Compression, Taguchi methods, energy adsorption, Natural fiber, total work

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Compression, Taguchi methods, energy adsorption, Natural fiber, total work

7.

Development of a Compression Test Rig for Evaluation of Mechanical Properties Related to Design for Containerization and Transportation of Fruits

Journal of Engineering and Applied Sciences 6 (2010) 56-59
Number of pages: 4 Posted: 06 Mar 2017 Last Revised: 21 Nov 2018
Christopher Ihueze, O. Otuu, Edwin Oriaku, A. Gbasouzor and Christian Emeka Okafor
Nnamdi Azikiwe University, Scientific Equipment Development Institute, Project Development Institute, (PRODA), Anambra State University and Nnamdi Azikiwe University
Downloads 22 (503,271)
Citation 1

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Fruit; Compression; Experimentation; Platen; Rig; Mechanical Properties

8.

Finite Design for Critical Stresses of Compressed Biomaterials under Transportation

Proceedings of the World Congress on Engineering (WCE) 2013, Vol III, July 3 - 5, 2013, London, U.K
Number of pages: 6 Posted: 06 Mar 2017 Last Revised: 03 Aug 2018
Christopher Ihueze, Christian Emeka Okafor and Peter Ogbobe
Nnamdi Azikiwe University, Nnamdi Azikiwe University and Independent
Downloads 22 (503,271)

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Contact Stress, Hertzian Stresses, Principal Stresses, Shear Stress, Sphericity

9.

Characterization of Plantain Fiber Reinforced High Density Polyethylene Composite for Application in Design of Auto Body Fenders

Journal of Innovative Research in Engineering and Sciences, Vol. 4(5), pp. 574-587, December 2016
Number of pages: 14 Posted: 08 Mar 2017
Christopher Ihueze, Obiora Obiafudo and Christian Emeka Okafor
Nnamdi Azikiwe University, Nnamdi Azikiwe University and Nnamdi Azikiwe University
Downloads 21 (509,031)

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Plantain Fiber, Polyethylene Resin, Compactibilizer, Machine Parameters, Taguchi Methods

10.

Failure and Reliability Evaluation of Turbines Used in Nigerian Thermal Plant

J.Sci. Technol. Environ. Inform. 04(01): 280-292, Atikpakpa et al. (2016)
Number of pages: 13 Posted: 18 Jan 2017
Augustine Atikpakpa, Christian Emeka Okafor and Okonkwo Ugo
Delta State Polytectnic, Nnamdi Azikiwe University and Delta State Polytectnic
Downloads 21 (509,031)
Citation 2

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Reliability, Probability, Turbines, Weibull, Failure, Bath-tub

11.

Thermal Performance of a Developed Solar Box Cooker for AWKA Metropolis

Number of pages: 12 Posted: 13 Aug 2018
Ugochukwu C. Okonkwo, Anthony O. Onokwai and Christian Emeka Okafor
Nnamdi Azikiwe University, Landmark University and Nnamdi Azikiwe University
Downloads 13 (555,545)

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Design, Solar, Energy, Irradiance, Transmittance, Figure of Merits

Development of Plantain Fibres for Application in Design of Oil and Gas Product Systems

Petroleum Technology Development Journal: An International Journal; January 2017 - Vol. 7 No. 1
Number of pages: 20 Posted: 20 Sep 2017 Last Revised: 03 Aug 2018
C. Ihueze, A. Oluleye, Christian Emeka Okafor, C. Obele, Jibrilla Abdulrahman and S. Obuka
Nnamdi Azikiwe University, University of Ibadan, Nnamdi Azikiwe University, Nnamdi Azikiwe University, National Hydraulic Research Institute of Malaysia (NAHRIM) and Enugu State University of Science and Technology
Downloads 13 (577,699)

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Plantain fibre, High Density Polythylene, Hydrophobic, Semicrystalline Polysaccharide

Development of Plantain Fibres for Application in Design of Oil and Gas Product Systems

Posted: 03 Aug 2017
Christian Emeka Okafor
Nnamdi Azikiwe University

Abstract:

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Development, Plantain Fibres, Design, Oil and Gas

13.

Optimal Design and Structural Analysis of Internally Pressurized Thin-Walled Shells

Scholars Journal of Engineering and Technology (SJET) 2017; 5(8):416-426
Number of pages: 11 Posted: 12 Sep 2017 Last Revised: 03 Aug 2018
Nnamdi Azikiwe University, National Hydraulic Research Institute of Malaysia (NAHRIM), Nnamdi Azikiwe University and Nnamdi Azikiwe University
Downloads 12 (561,613)

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FEM, Shell, Pressure Vessel, Crack Size, Fracture Toughness, Vessel Thickness

14.

Optimization of Tensile Strengths Response of Plantain Fibres Reinforced Polyester Composites (PFRP) Applying Taguchi Robust Design

Innovative Systems Design and Engineering ISSN 2222-1727 (Paper) ISSN 2222-2871 (Online) Vol 3, No 7, 2012
Number of pages: 15 Posted: 21 Jan 2017
Christian Emeka Okafor, Christopher Ihueze and A. J. Ujam
Nnamdi Azikiwe University, Nnamdi Azikiwe University and Enugu State University of Science and Technology
Downloads 12 (561,613)

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composite matrix, plantain fibers, tensile strength, pseudo-stem, empty fruit bunch. Taguchi.

15.

Natural Fiber Composite Design and Characterization for Limit Stress Prediction in Multiaxial Stress State

Journal of King Saud University – Engineering Sciences (2015) 27, 193–206
Number of pages: 14 Posted: 25 Jan 2017 Last Revised: 03 Aug 2018
Christopher Ihueze, Christian Emeka Okafor and Chris Okoye
Nnamdi Azikiwe University, Nnamdi Azikiwe University and Nnamdi Azikiwe University
Downloads 9 (580,048)

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Multiaxial stresses; Composites; Natural fibers; Yield stress; Plantain fibers

16.

Optimal Performance Characteristics and Reinforcement Combinations of Coconut Fibre Reinforced High Density Polyethylene (HDPE) Polymer Matrixes

Number of pages: 10 Posted: 21 Jan 2017 Last Revised: 03 Aug 2018
Christopher Ihueze, Maduabuchi Achike and Christian Emeka Okafor
Nnamdi Azikiwe University, Federal College of Education and Nnamdi Azikiwe University
Downloads 8 (586,268)

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Reinforcement combinations; coconut fibre; volume fraction; particle size; archimedes principle; optimum performance

17.

Orthogonal Array Application and Response Surface Method Approach for Optimal Product Values: An Application for Oil Blending Process

World Academy of Science, Engineering and Technology 76 2013
Number of pages: 5 Posted: 23 Jan 2017 Last Revised: 03 Aug 2018
Christopher Ihueze, Constance Obiuto, Christian Emeka Okafor and C. C. Okpala
Nnamdi Azikiwe University, Nnamdi Azikiwe University, Nnamdi Azikiwe University and Nnamdi Azikiwe University
Downloads 7 (592,531)

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Additives, control factors, kinematic viscosity, lubricant, orthogonal array, process parameter

18.

Limiting Stresses and Elastic Properties of Biological Material Under Axial and Radial Compression as Related to Their Handling and Containerization

Journal of Engineering and Applied Sciences 7 (2011) 5-10
Number of pages: 6 Posted: 21 Jan 2017
Christopher Ihueze and Christian Emeka Okafor
Nnamdi Azikiwe University and Nnamdi Azikiwe University
Downloads 6 (598,975)

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UTC tomato; elastic properties; compression; tomato; sphericity; hertzian stresses; principal stress

19.

Robust Design and Optimization of Production Wastes: An Application for Industries

World Academy of Science, Engineering and Technology 76 2013
Number of pages: 8 Posted: 21 Jan 2017 Last Revised: 03 Aug 2018
Christopher Ihueze, C. C. Okpala, Christian Emeka Okafor and Peter Ogbobe
Nnamdi Azikiwe University, Nnamdi Azikiwe University, Nnamdi Azikiwe University and Independent
Downloads 4 (612,359)

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Excess-inventory, setup time, single minute exchange of dies, optimal value, over-production, robust design

20.

Finite Elements Approaches in the Solution of Field Functions in Multidimensional Space: A Case of Boundary Value Problems

Number of pages: 31 Posted: 21 Jan 2017 Last Revised: 03 Aug 2018
Christopher Ihueze, Christian Emeka Okafor and Edelugo Onyemaechi
Nnamdi Azikiwe University, Nnamdi Azikiwe University and University of Nigeria
Downloads 4 (612,359)

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finite element, continuum, functional of function, extremum, boundary value

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Reliability; Polyurethane; Wood Ash; Composites; Weibull Distribution

22.

Plantain Fibre Particle Reinforced HDPE (PFPRHDPE) for Gas Line Piping Design

Posted: 31 Oct 2017
Christian Emeka Okafor
Nnamdi Azikiwe University

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Plantain Fibre Gas Line Piping Design

23.

Evaluation of Chatter Vibration Frequency in CNC Turning of 4340 Alloy Steel Material

Posted: 02 Oct 2017 Last Revised: 03 Aug 2018
Christian Emeka Okafor
Nnamdi Azikiwe University

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Chatter Vibration, CNC Turning, Cutting Stability, Taguchi Method

24.

Biofibers in Polymer Matrixes: An Application for Auto Body Fender

Posted: 25 Jul 2017
Christian Emeka Okafor
Nnamdi Azikiwe University

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25.

Design for Temperature-Controlled Solar Heated Chick Brooder

International Journal of Scientific & Engineering Research, Volume 3, Issue 4, April-2012
Posted: 30 Jan 2017
Nnamdi Azikiwe University, Independent, Independent, Independent and Independent

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Brooding, Energy, Heat, Insulation, Solar Collectors, Temperature

26.

Computer Aided Static Analysis of Frame and Theoretical Heat Conduction Model for Soya Milk Batch Pasteurizer

Posted: 30 Jan 2017 Last Revised: 02 Feb 2017
Christian Emeka Okafor
Nnamdi Azikiwe University

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Batch Pasteurizer, theoretical model, frame analysis, soya milk, material selection

27.

Modified Trend and Seasonal Time Series Analysis for Operations: A Case Study of Soft Drink Production

International Journal of Engineering Research In Africa, Vol. 7, (2012), pp. 63-72
Posted: 25 Jan 2017 Last Revised: 03 Aug 2018
H. C Godwin and Christian Emeka Okafor
Nnamdi Azikiwe University and Nnamdi Azikiwe University

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Forecasting, Time series, Trend, Seasonality, Demand

28.

Harnessing Science, Technology and Innovations (STI) for Sustainable Industrial and Economic Development

International Journal of Engineering and Management Research, Volume 5, Issue 5, October 2015
Posted: 24 Jan 2017 Last Revised: 03 Aug 2018
Christopher Ihueze, C. C. Okpala, Christian Emeka Okafor and Okonkwo C.
Nnamdi Azikiwe University, Nnamdi Azikiwe University, Nnamdi Azikiwe University and Nnamdi Azikiwe University

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Science, Technology, Innovation, Knowledge, Sustainable, Nigeria, Education, Engineering, Development, Economy

29.

Response Surface Optimization of the Impact Strength of Plantain Fiber Reinforced Polyester for Application in Auto Body Works

Journal of Innovative Research in Engineering and Sciences, Vol. 4(4), March 2014
Posted: 23 Jan 2017
Christopher Ihueze and Christian Emeka Okafor
Nnamdi Azikiwe University and Nnamdi Azikiwe University

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Composite Matrix, Plantain Fiber, Response Surface Methodology, Notch, Design-Expert 8

30.

Feasibility Study on the Provision of Solar Energy in Rural Area Using Solar Panel

Journal of Pure and Applied Sciences, 2008
Posted: 23 Jan 2017
Christian Emeka Okafor
Nnamdi Azikiwe University

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Solar Panel, Net Present Value, Renewable Energy, Internal Rate of Return

31.

Multivariate Time Series Analysis for Optimum Production Forecast: A Case Study of 7up Soft Drink Company in Nigeria

African Research Review, Vol. 4(3a), July 2010
Posted: 23 Jan 2017
Christopher Ihueze and Christian Emeka Okafor
Nnamdi Azikiwe University and Nnamdi Azikiwe University

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Production Model, Inventory Management, Multivariate Time Series, Production Forecast

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Coconut fibre; volume fraction; particle size; Archimedes principle; optimum performance; response surface

33.

Optimal Design for Flexural Strength of Plantain Fibers Reinforced Polyester Matrix

Posted: 21 Jan 2017
Christian Emeka Okafor
Nnamdi Azikiwe University

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composite matrix, plantain fiber, flexural strength, robust design, pseudo stem, empty fruit bunch