John Nana Otchere

Analyzing the Impact of Pressure Ratio Variation on Gas Power Plant Performance at Takoradi Thermal Power Station

Enock A. Duodu, Evans Kwaku Seim Mbrah & John Nana Otchere · Journal of Engineering Research and Reports · 2024

This study investigates the influence of pressure ratio variation on the performance of a gas turbine plant located at Aboadze, Ghana. The operational data including daily hourly measurements of pressure ratio, power output, ambient temperature, and gas fuel flow rate were collec...

Open access Research Article 10.9734/jerr/2024/v26i41124

Comparative Analysis of Piston Rings Made with Aluminum Titanium Carbide (AlTiC-75-2) and Carbon Cast Steel (AISI 1540) Materials Using Numerical Method

Enock A. Duodu, Vivian Hinneh, Kannie Winston Kuttin & John Nana Otchere · Journal of Engineering Research and Reports · 2024

Aim: The main purpose of this study is to perform a comparative analysis of piston rings made with aluminum titanium carbide (AlTiC-75-2) and carbon cast steel (AISI 1540) materials using numerical method.   Study Design: Numerical methods. Materials and Methods: The 3D piston ri...

Open access Research Article 10.9734/jerr/2024/v26i41120