INTRODUCTION: The most common type of heat exchanger used in industry contains a number of parallel tubes enclosed in a shell and is thus called a shell and tube heat exchanger.  These heat exchangers are employed when a process required large quantities of...

ABSTRACT

A solarbox cooker is a device that converts solar energy into useful heat in a confined space. The solar cooking system which captures and utilizes the abundant solar energy was designed, simulated, constructed and tested. Plane reflectors were used to concentrate solar radiati...

ABSTRACT

Vegetable oils need to be chemically modified before being used for biolubricant production for internal combustion engines applications. One of the most effective chemical modifications for vegetable oils is epoxidation of its double bonds. In this work, Crude Jatropha oil (CJ...