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Otieno Fredrick

Publications (4)

Investigation of Wind Characteristics and Estimation of Wind Power Potential of Narok County Using Weibull Distribution

Steven Okoth, Otieno Fredrick & Isaac Motochi · Journal of Energy Research and Reviews · 2023

Aim: To investigate wind characteristics and estimate wind power density of Narok weather station in Narok county using Weibull distribution. Research Design: Historical hourly wind direction and speed data recorded by the Kenya Meteorological Department in Narok weather station...

Open access Research Article 10.9734/jenrr/2023/v15i2305

Ceramic Water Filters Impregnated with Silver Nanoparticles for the Removal of Lead and Chromium Ions from Water

Tabitha Alango, Otieno Fredrick & Isaac Motochi · Journal of Materials Science Research and Reviews · 2022

The high cost and complexity of existing techniques used to remove heavy metal ions from water have necessitated developing and implementing cost-effective and socially acceptable options that can be applied at the household level. This work examined the ability of ceramic water...

Open access Research Article

Parametric Study of Matisaa Gray Rock as a Potential Clinker Material

Mwendwa Geoffrey, Motochi Isaac & Otieno Fredrick · Asian Journal of Advanced Research and Reports · 2020

This study aimed at evaluating Matisaa gray rock (MGR) for clinker production. MGR is naturally abundant in Matisaa, a rural area in Mwingi West District, Kitui county, Kenya. It is locally used as a gabion filler and other concrete structures with desirable physico-mechanical pr...

Open access Research Article 10.9734/ajarr/2020/v14i330334

Design and Simulation of a Captive Grid-Tied Solar PV System for Daytime Peak Load Management: A Case Study of Maasai Mara University

Dorothy Atieno Lwambe, Justus Simiyu, Duke Oeba & Otieno Fredrick · Asian Journal of Research and Reviews in Physics · 2025

Aims: To develop an optimal electricity consumption profile for Maasai Mara University based on 90 days actual consumption data. To design and simulate captive grid interactive solar photovoltaic system for Maasai Mara University based on the first objective. Study Design: The sy...

Open access Research Article 10.9734/ajr2p/2025/v9i3196