Vol. 38 No. 2 (2019): NIGERIAN JOURNAL OF TECHNOLOGY, VOL. 38, NO. 2, APRIL 2019

Published: 2019-03-31

Preliminary Pages & General Engineering

TABLE OF CONTENTS VOL 38, NO 2, APRIL 2019

Editor NIJOTECH

iii-v
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TRIBUTE TO PROF. HERBERT CHIDOZIE UZOEGBO

Wolfram Schmidt

vi-vii
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Building, Civil & Geotechnical Engineering

EFFECT OF SAWDUST ASH AND EGGSHELL ASH ON SELECTED ENGINEERING PROPERTIES OF LATERALIZED BRICKS FOR LOW COST HOUSING

AL Ayodele, OM Oketope, OS Olatunde

278-282
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COMPARATIVE STUDY OF IKIRUN AND OSOGBO SLAG ON CONCRETE GRADE 20

MA Anifowose, AO Adeyemi, SO Odeyemi, R Abdulwahab, RB Mudashiru

283-288
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INVESTIGATION OF THE IMPACT OF SELECTED ADDITIVES ON INDEX PROPERTIES OF SUBGRADE SOILS

FE Elufowoju

289-297
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GEOTECHNICAL PROPERTIES OF AJALI SANDSTONE IN ENUGU, NIGERIA FOR ENGINEERING USE

ME Okiotor, R Arumala, K Ejairu, ED Ogueh

294-304
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DETERMINED UNCERTAINTY MODELS OF REFERENCE MATERIAL PROPERTIES AND THE EN 338 STRENGTH CLASS OF NIGERIAN GROWN TERMINALIA IVORENSIS (BLACK AFARA) TIMBER

AI Mohammed, SP Ejeh, YD Amartey, A Ocholi

302-313
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COMPRESSION CREEP MODEL FOR NIGERIA GROWN TERMINALIA IVORENSIS (BLACK AFARA) TIMBER

AI Mohammed, A Ocholi, SP Ejeh, YD Amartey

314-319
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MECHANICAL PROPERTIES OF ALUMINUM FOAM REINFORCED WITH RECYCLED CERAMIC AGGREGATES

CA Ajoku

320-328
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Chemical, Industrial, Materials, Mechanical, Metallurgical, Petroleum & Production Engineering

DETERMINATION OF PERFORMANCE EVALUATION OF MOBILE MANUFACTURING UNITS (MMUs) FOR SURFACE MINES: AN OEE APPROACH

G Agyei, AO Wettey

329-336
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EXPERIMENTAL EVALUATION OF A 3 kW ABSORPTION CHILLER PROTOTYPE

TO Ahmadu

337-344
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THERMO-ECONOMIC ANALYSIS OF A HEAT RECOVERY STEAM GENERATOR COMBINED CYCLE

OO Ighodaro, M Osikhuemhe

345-350
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A NUMERICAL INVESTIGATION OF MANGO LEAVES-WATER NANOFLUID UNDER LAMINAR FLOW REGIME

EJ Onyiriuka, EA Ikponmwoba

351-357
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PHYSIOCHEMICAL PROPERTIES OF MIXED TWIN CLAY DEPOSITS IN AWGBU USED FOR POTTERY AND POSSIBLE STRUCTURAL APPLICATIONS

O Kalu, AN Amah, IM Echi

358-366
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MULTI-RESPONSE OPTIMISATION OF MACHINING PARAMETERS IN TURNING AISI 304L USING DIFFERENT OIL-BASED CUTTING FLUIDS

CK Agu, SA Lawal, MS Abolarin, JB Agboola, J Abutu, EI Awode

367-378
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PROCESS INTENSIFICATION OF LEMON GRASS OIL IN A PILOT PLANT

K Mu'azu, A Ganiyu, AS Alkali, B Inuwa, AU Ahmed, SM Jibia, M Shehu, IU Adamu

379-386
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NUMERICAL STUDY OF HIGH DENSITY POLYETHYLENE –PCM CAPSULES FOR PASSIVE COOLING APPLICATION IN INTERMODAL STEEL BUILDING SPACE ENVELOPE

AN Udosen

387-400
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AN INVESTIGATION OF THE HARMONIC EFFECTS OF NONLINEAR LOADS ON POWER DISTRIBUTON NETWORK

TA Abdul-Hameed, MF Akorede, Y Abdulrahman, OM Tijani

401-405
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Computer, Telecommunications, Software, Electrical & Electronics Engineering

DESIGN OF A GPS-BASED ACADEMIC PERSONNEL CLOCKING SYSTEM

TC Adeniran, AO Anyaegbu, LA Olawoyin, AO Ajagbe

406-415
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A BAYESIAN BELIEF NETWORK APPROACH FOR PREDICTING KERNICTERUS

FI Amadin, ME Bello

416-421
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MEASURING MOBILE BROADBAND PERFORMANCE IN NIGERIA: 2G AND 3G

FM Dahunsi, AA Akinlabi

422-436
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ANALYTICAL MODELING FOR NANOSTRUCTURE QUANTUM WELLS WITH EQUISPACED ENERGY LEVELS IN SEMICONDUCTOR TERNARY ALLOYS (Ax B1-x C)

AI Ejere, S Okonzuwa, RE Oloko

437-443
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POWER QUALITY IMPROVEMENT OF A 2.8kVA SINGLE PHASE GENERATOR USING A DOUBLE-TUNE FILTER

JO Eyenubo

444-448
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A NONLINEAR CONTROL MODEL AND OPERATIONAL SUPPORT SYSTEM FOR THE KAINJI HYDROELECTRIC POWER SYSTEM

O Ogunbiyi, CT Thomas, IOA Omeiza, JA Akanbi, BJ Olufeagba

449-455
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PROPENSITY TO FLY IN NIGERIA: A FORECAST OF DOMESTIC AIR PASSENGER TRAFFIC FLOW IN SOME NIGERIA AIRPORTS

EG Okafor, OC Buraimoh, KO Uhuegho, MA Soladoye

456-464
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A COMPARATIVE STUDY OF TIME SERIES ANALYSIS FOR FORECASTING ENERGY DEMAND IN NIGERIA

IK Okakwu, ES Oluwasogo, AE Ibhaze, AL Imoize

465-469
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ESTIMATING THE MARGIN TO VOLTAGE COLLAPSE IN A DWINDLING ELECTRIC POWER NETWORK

JN Onah, ZOO Jagun, TC Madueme, SE Oti

470-475
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ANALYSIS OF LOAD SHARING CAPABILITY OF A SERIES-CONNECTED TWIN SYNCHRONOUS MOTOR DRIVE COUPLED TO A COMMON LOAD SHAFT BY GEARING

IK Onwuka, ES Obe

476-483
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SWITCHED-BEAM ARRAY ANTENNA AT 28 GHZ FOR 5G WIRELESS SYSTEM BASED ON BUTLER MATRIX BEAMFORMING NETWORK

SI Orakwue, R Ngah

484-489
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A META-ANALYSIS OF FRAUD, WASTE AND ABUSE DETECTION METHODS IN HEALTHCARE

R Ikono, O Iroju, J Olaleke, T Oyegoke

490-502
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OPTIMIZATION OF INSULATED HfO2 DIELECTRICS OF GaN/InN/GaN/ In0.1Ga0.9N ENHANCEMENT MODE OF MIS-HEMT HETEROSTRUCTURE FOR HIGH FREQUENCY POWER AMPLIFIER APPLICATIONS

Y Tarauni, Y Shehu, M Auwal, A Rakiya

503-511
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Agricultural, Bioresources, Biomedical, Food, Environmental & Water Resources Engineering

EFFECTS OF SIEVE APERTURE MODIFICATION ON DEWATERED CASSAVA MASH SIEVING PROCESS

AA Ahiakwo, KJ simonyan, AB Eke

512-519
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EVALUATION OF THE ENGINEERING PROPERTIES OF CASHEW KERNEL OBTAINED FROM DIFFERENT PLANTATIONS IN NSUKKA

NN Aneke, O Ojike, K Ozor
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GROUNDWATER QUALITY PARAMETERS-CORRELATION AND MICROBIAL ANALYSIS

HI Owamah

526-531
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INVESTIGATION OF BOREHOLE WATER CONTAMINANT PROFILE AT IGWURUTA SOLID WASTE DUMPSITE, RIVERS STATE, NIGERIA

JN Ugbebor, B Ntesat

532-539
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