Nigerian Journal of Technological Development

The Nigerian Journal of Technological Development (NJTD) is a quarterly publication of the Faculty of Engineering & Technology, University of Ilorin, Ilorin, Nigeria. It publishes original high-quality articles focusing on all aspects of Engineering and Applied Sciences. Manuscripts are double-blind peer-reviewed and if found suitable, are published as full length research articles or review papers. Our publications are scheduled for March, June, September and December.

Please note that this Journal does not receive manuscripts via this website. To submit your manuscript to the NJTD, please click on the link: https://njtd.com.ng/submissions.

Published: 2026-06-22

Influence of printing speed, layer thickness, and infill percentage on the mechanical properties of 3d-printed pla filament for prototyping

O. K. Ajayi, S. Du, T. A. Odekomaiya, O. Bayonle

1 - 12

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Polarization encoding and decoding techniques for a 10 Gbps Hybrid FDW-EDW OCDMA system

S. M. Ammar, N. Ali, M. A. Anuar, S. A. Aljunid, N. M. Saad, R. Endut, K. S. Manic, I. S. Al Naimi, F. N. Hasoon

13 - 20

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Performance improvement of SAC-OCDMA system based on FDW Code using edfa for passive optical distribution network (PON)

M. A. Anuar, S. A. Aljunid, S. M. Ammar, R. Endut, N. M. Saad, K. S. Manic, I. S. Al Naimi, F. N. Hasoon

21 - 32

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Performance evaluation and development of sustainable pavement surfaces using ultra-thin geopolymer concrete overlays

S. Rayapudi, T. C. Rao

33 - 43

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Sclera-based biometric for age group estimation using a hybrid ResNet-50 and gradient boosted neural network

P. O. Odion, M. N. Musa, Z. Z. Ahmad

44 - 54

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An enhanced secure cooperative relay systems with SADEA-optimised hybrid decode-amplify-forward protocols

J. A. Adeleke, D. B. O. Konditi, Z. K. Adeyemo

55 - 67

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Consensus-based voltage restoration and synchronization of islanded microgrid in the presence of communication latency and noise

S. A. Olayanju, F. M. Dahunsi, A. A. Ponnle

68 - 77

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Numerical solution of slug flow using differential transform method (DTM)

A. B. Ehinmowo, D. A. Vershima, A. Akinniyi, O. Adewumi, I. Adewale, O. D. Orodu, A. M. Aliyu

78 - 91

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Development of green composite film for food paper packaging intercalated with turmeric oil

Y. O. Raji, J. Mohammed, A. Salis, A. Mohammed, M. S. Muhammad

92 - 100

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Influence of microwave power on the characteristics of carbon dots synthesized from corn husks

N. Zulkifli, H. Alwi, S. M. Sauid, M. F. Sarulan, N. Wahid

122 - 131

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Enhanced intelligent data security model for monitoring cloud computing infrastructure using machine learning algorithm

N. Michael, G. James, F. Onuodu, U. Okengwu

132 - 145

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Enhancing rice milling efficiency through lean-based process improvement using value stream mapping

A. O. Oko, S. C. Nwanya, E. C. Okorigwe, H. C. Godwin, I. A. Daniyan, H. S. Phuluwa

157 - 170

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Strength evaluation and characterization of Gmelina Arborea timber for structural applications

Y. Yau, A. Ocholi, J. M. Kaura, A. Lawan, T. A. Sulaiman, H. Aliyu

171 - 186

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Heterogeneous borda ensemble feature selection: An enhancement to machine learning approach for uniform resource locator phishing

P. O. Olabisi, B. M. Olukoya, G. O. Ogunleye, O. J. Adetunji

187 - 197

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Hybridised CNN approach for pathloss modeling: A comparative study with traditional and machine learning based pathloss models

A. A. Jimoh, Z. K. Adeyemo, F. K. Ojo

198 - 207

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Selected bioactive attributes of spray-dried ripe red banana (Musa acuminata) powder as affected by dryer’s operational parameters

A. L. Adepoju, J. A. Adeyanju, A. O. Abioye

208 - 220

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Red dragon fruit peel extract as fish shelf-life detector bioactive agent for a chitosan-based smart packaging

D. R. Barleany, M. Yulvianti, R. P. Efendy, R. Y. Fajar, A. Gunawan, W. E. Kosimaningrum

221 - 239

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Analytical investigation of free vibrations in functionally graded material beams with different property distributions

A. Elhannani, R. Brahami, A. Elmeiche, M. Bouamama, A Rabehi, M. Benghanem

240 - 249

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User correlation using rotating planar antenna arrays for line-of-sight massive multiple input multiple output

G. C. Eze, M. A. Ahaneku, V. C. Chijindu

250 - 261

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An XGBoost-shap framework for predicting traffic speed based on road geometry

O. Bayode, O. Aiyelokun, A. A. Olanipekun, D.I. Idusuyi, E.O. Akande

262 - 269

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Nigerian Journal of Technological Development
Journal / Nigerian Journal of Technological Development / About the Journal

Current Issue: Vol. 22 No. 3 (2025)

Articles

Influence of printing speed, layer thickness, and infill percentage on the mechanical properties of 3d-printed pla filament for prototyping

Polarization encoding and decoding techniques for a 10 Gbps Hybrid FDW-EDW OCDMA system

Performance improvement of SAC-OCDMA system based on FDW Code using edfa for passive optical distribution network (PON)

Performance evaluation and development of sustainable pavement surfaces using ultra-thin geopolymer concrete overlays

Sclera-based biometric for age group estimation using a hybrid ResNet-50 and gradient boosted neural network

An enhanced secure cooperative relay systems with SADEA-optimised hybrid decode-amplify-forward protocols

Consensus-based voltage restoration and synchronization of islanded microgrid in the presence of communication latency and noise

Numerical solution of slug flow using differential transform method (DTM)

Development of green composite film for food paper packaging intercalated with turmeric oil

Influence of microwave power on the characteristics of carbon dots synthesized from corn husks

Enhanced intelligent data security model for monitoring cloud computing infrastructure using machine learning algorithm

Enhancing rice milling efficiency through lean-based process improvement using value stream mapping

Strength evaluation and characterization of Gmelina Arborea timber for structural applications

Heterogeneous borda ensemble feature selection: An enhancement to machine learning approach for uniform resource locator phishing

Hybridised CNN approach for pathloss modeling: A comparative study with traditional and machine learning based pathloss models

Selected bioactive attributes of spray-dried ripe red banana (Musa acuminata) powder as affected by dryer’s operational parameters

Red dragon fruit peel extract as fish shelf-life detector bioactive agent for a chitosan-based smart packaging

Analytical investigation of free vibrations in functionally graded material beams with different property distributions

User correlation using rotating planar antenna arrays for line-of-sight massive multiple input multiple output

An XGBoost-shap framework for predicting traffic speed based on road geometry

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