C. U. Okujagu

University of Port Harcourt

Publishing since 1989, latest 2023

Renewable Energy, Sustainability and the Environment
Aerospace Engineering
Astronomy and Astrophysics
Artificial Intelligence
Oceanography
Electrical and Electronic Engineering

Their record on OpenAlex

Publications: 101989–2023
Citations: 61to those papers
h-index: 3i10-index 3
Field-weighted impact: 0.131.00 is the world average
World top 10%: 0%0 of 10 scored papers
Open access: 70%7 papers free to read

By year

Papers, and the citations to them

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

Career

On their papers

Every institution they have given on a paper.

Publications

10 in all

Potential of Hawleyite Cadmium Sulphide (CdS) Nanofilms for PV Cell Applications
2023Journal of Energy Research and ReviewsJournalOpen accessSenior author1 citation10.9734/jenrr/2023/v13i3266
Investigation of the relationship between f0f2 and the TEC using single station neural network models
2022

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

Renewable Energy, Sustainability and the Environment440%
Aerospace Engineering330%
Astronomy and Astrophysics330%
Artificial Intelligence220%
Oceanography220%
Electrical and Electronic Engineering110%
Geophysics110%
Materials Chemistry110%
Ocean Engineering110%
Waste Management and Disposal110%

Physical Sciences

Topics most written on

GNSS positioning and interference3
Ionosphere and magnetosphere dynamics3
Geophysics and Gravity Measurements2
Oil, Gas, and Environmental Issues2
Photovoltaic System Optimization Techniques2
Solar Radiation and Photovoltaics2
Solar Thermal and Photovoltaic Systems2
Chalcogenide Semiconductor Thin Films1
Earthquake Detection and Analysis1
Municipal Solid Waste Management1
Quantum Dots Synthesis And Properties1
Water resources management and optimization1

Who they write with

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

Where their co-authors are

10% of their papers have a co-author abroad

papers co-written1111111Home

Most frequent partner countries

Korea1
Rwanda1
South Africa1

Papers with at least one author in that country.

Institutions written with most

Rivers State UniversityNG2 papers
Chungnam National UniversityKR1 paper
University of RwandaRW1 paper
South African National Space AgencyZA1 paper
National Space Research and Development AgencyNG1 paper
Ignatius Ajuru University of EducationNG1 paper

Where they publish

Solar & Wind Technology2
Applied Journal of Physical Science1
Asian Journal of Physical and Chemical Sciences1
International Journal of Science and Engineering1
Journal of Energy Research and Reviews1
Journal of Geography Environment and Earth Science International1

Development goals addressed

From each paper’s title and abstract

11Sustainable cities and communities2
6Clean water and sanitation1
13Climate action1

Most cited

Estimation of Ionospheric Critical Plasma Frequencies From GNSS‐TEC Measurements Using Artificial Neural Networks
Space Weather
201925 citations
Performance of a simple flat plate solar collector at an equatorial location
Solar & Wind Technology11
198924 citations
The connection between the critical frequency and the total electron content of the ionosphere at low and high solar activity period
Applied Journal of Physical Science
202110 citations

Temporal Transport Simulation of Heavy Metal Pollutants in Eleme Industrial Area of Rivers State, Nigeria

2018Asian Journal of Physical and Chemical SciencesJournalOpen accessSenior author0 citations10.9734/ajopacs/2018/42963

Distribution of Mean Annual Percipitable Water in Nigeria

2014International Journal of Science and EngineeringJournalOpen accessSenior author0 citations10.12777/ijse.6.2.174-176

Performance of a simple flat plate solar collector at an equatorial location

1989Solar & Wind TechnologyJournalFirst authorCorresponding24 citations10.1016/0741-983x(89)90081-7

Physical Science International Journal1

How it can be read

70% free to read

Diamond 5 · 50%Free to read and to publish
Bronze 2 · 20%Free to read, no open licence
Closed 3 · 30%Behind a paywall

Who funds it

3 of 10 papers name a funder

Boston College3
Goddard Space Flight Center2
Department of Science and Technology, Ministry of Science and Technology, India1
South African National Space Agency1

Open access · Bronze

Potential of Hawleyite Cadmium Sulphide (CdS) Nanofilms for PV Cell Applications

Journal of Energy Research and Reviews

20231 citationOpen access · Diamond

Meteorological Variables That Affect Visibility Degradation and Their Seasonal Trends in the Niger Delta Region of Nigeria

Journal of Geography Environment and Earth Science International11

20191 citationOpen access · Diamond