This treatise on "Design & Thermal Analysis of Single Tube in a Heat Exchanger using CFD" contains comprehensive treatment of the subject matter in simple and direct language. It envelopes the design of different tube design in shell and tube heat exchanger. The book will prove to be a boon to students preparing for thermal engineering and for other research. Although care has been taken to make the book free of errors, yet author will feel obliged if errors are present.