Gasification processes have received significant attention in recent years due to increasing world energy needs and growing environmental considerations. Gasification is a relatively environment friendly process but has ...

In last years, desalination by reverse osmosis (RO) process has experienced a significant development, and it has become one of the major technologies for producing potable water throughout the world. Despite this relevant ...

Misty weather is one of the problems in urban areas, especially the areas where there are industries. These industries release Particulate Matter (PM) into the atmosphere that is very dangerous for people‟s health because ...

In this thesis, we have developed new numerical methods in Runge-Kutta family for numerical solution of ordinary di erential equations. We have extended the idea of e ective order to Runge-Kutta Nystr om methods for ...