Onyekwere Ojike

University of Nigeria

Publishing since 2012, latest 2025

Mechanical Engineering
Renewable Energy, Sustainability and the Environment
Food Science
Pollution
Building and Construction
Mechanics of Materials

Publications: 192012–2025
Citations: 125to those papers
h-index: 6i10-index 6
Field-weighted impact: 0.421.00 is the world average
World top 10%: 0%0 of 19 scored papers
Open access: 84%16 papers free to read

1 other work — a preprint, a dataset or the like — is listed but not counted.

By year

Papers, and the citations to them

Publications, left axisCitations to that year’s papers, right axis2026 still in progress

Publications

19 in all

Performance modelling of a two-bed silica gel-water pair adsorption chiller
2025Results in EngineeringJournalOpen accessSenior authorCorresponding6 citations10.1016/j.rineng.2025.104286
Sizing and designing of an adsorption chiller with phase change material thermal storage for an office building: Case study Nigeria

Download CV:PDFWord

Citations received each year

Peerford

To all their work, old papers included. Google Scholar also counts citations from theses, books and web pages, so its line runs higher.

What they work on

From the classification of each paper

Subfields

Mechanical Engineering947%
Renewable Energy, Sustainability and the Environment737%
Food Science316%
Pollution316%
Building and Construction211%
Mechanics of Materials211%
Nutrition and Dietetics211%
Analytical Chemistry15%
Animal Science and Zoology15%
Artificial Intelligence15%

Health Sciences
Life Sciences
Physical Sciences

Topics most written on

Phase Change Materials Research5
Solar Thermal and Photovoltaic Systems5
Adsorption and Cooling Systems4
Energy and Environment Impacts3
Food Drying and Modeling3
Solar Energy Systems and Technologies3
Agricultural Engineering and Mechanization2
Food composition and properties2
Freezing and Crystallization Processes2
Heat Transfer and Optimization2
Agriculture Sustainability and Environmental Impact1
Anaerobic Digestion and Biogas Production1

Who they write with

Their most frequent co-authors, and the papers those co-authors share

Where their co-authors are

16% of their papers have a co-author abroad

papers co-written1111111Home

Most frequent partner countries

Australia1
India1
United States1

Papers with at least one author in that country.

Institutions written with most

University of CalabarNG4 papers
Aprovecho Research CenterUS1 paper
Delhi Technological UniversityIN1 paper
The University of QueenslandAU1 paper
Alex Ekwueme Federal University, Ndufu-AlikeNG1 paper
Nnamdi Azikiwe UniversityNG1 paper
University of Cross River StateNG1 paper
University of Port HarcourtNG1 paper
Michael Okpara University of AgricultureNG1 paper

Where they publish

Case Studies in Thermal Engineering3
Nigerian Journal of Technology3
Next Energy2
Results in Engineering2
Advances in Science Technology and Engineering Systems Journal1
African Journal of Food Agriculture Nutrition and Development1

Development goals addressed

From each paper’s title and abstract

7Affordable and clean energy6
6Clean water and sanitation3
1No poverty1
8Decent work and economic growth1
12Responsible consumption and production1

Most cited

Study of a passive solar air heater using palm oil and paraffin as storage media
Case Studies in Thermal Engineering7
201934 citationsOpen access · Gold
Performance study of a solar poultry egg incubator with phase change heat storage subsystem
Case Studies in Thermal Engineering7
202017 citationsOpen access · Gold
DESIGN AND ANALYSIS OF A MULTIPOINT TEMPERATURE DATALOGGER

Energy sources for poultry egg incubators’ efficiency and hatchability

2024Nigerian Journal of TechnologyJournalOpen access0 citations10.4314/njt.v43i1.20

Physical and Emission Properties of Blended Bio-Coal Briquettes Derived from Agro-Wastes in Nigeria

2022Advances in Science Technology and Engineering Systems JournalJournalOpen accessSenior author3 citations10.25046/aj070313

Performance study of a solar poultry egg incubator with phase change heat storage subsystem

2020Case Studies in Thermal EngineeringJournalOpen accessCorresponding17 citations10.1016/j.csite.2020.100593

A comparative study of selected engineering properties of cashew kernels grown in Nigeria

2020African Journal of Food Agriculture Nutrition and DevelopmentJournalOpen accessFirst author1 citation10.18697/ajfand.90.18310

Study of a passive solar air heater using palm oil and paraffin as storage media

2019Case Studies in Thermal EngineeringJournalOpen accessFirst authorCorresponding34 citations10.1016/j.csite.2019.100454

DESIGN AND ANALYSIS OF A MULTIPOINT TEMPERATURE DATALOGGER

2016Nigerian Journal of TechnologyJournalOpen accessFirst author14 citations10.4314/njt.v35i2.30

Studies on the effect of different solar dryers on the vitamin content of tomato (Solanum lycopersicon)

2012Journal of Renewable and Sustainable EnergyJournalSenior author10 citations10.1063/1.4763563

Environmental Monitoring and Assessment1

Food Science & Nutrition1

How it can be read

84% free to read

Diamond 3 · 16%Free to read and to publish
Gold 12 · 63%In an open-access journal
Hybrid 1 · 5%Open in a subscription journal
Closed 3 · 16%Behind a paywall

Who funds it

4 of 19 papers name a funder

University Of Nigeria Nsukka4
Tertiary Education Trust Fund1
World Bank Group1

Nigerian Journal of Technology7

201614 citationsOpen access · Gold