1. Nusselt Number Calculator Travis Kenworthy and and Matthew Christensen

2. The Nusselt Number Dimensionless surface temperature gradient Dimensionless surface temperature gradient Important parameter used to find convective heat transfer coefficient Important parameter used to find convective heat transfer coefficient

3. A Nusselt Number for Every Situation The problem addressed is that there is a complicated Nusselt number equation for every situation The problem addressed is that there is a complicated Nusselt number equation for every situation The Nusselt number calculator helps save time by calculating the Nusselt Number for various external flow situations The Nusselt number calculator helps save time by calculating the Nusselt Number for various external flow situations

4. Just Enter: Just Enter: – the Reynolds # –The Prandtl # Then select your geometry Then select your geometry Easy as a Click of a Button

5. Follow the Prompt Follow the prompt in the bottom message boxes Follow the prompt in the bottom message boxes

6. Calculate The Nusselt Number Geometry options include: Geometry options include: –Flat Plate –Cylinder –Sphere For each of these geometries various heating and flow condition options allow the calculation of the Nusselt # for several external flow situations For each of these geometries various heating and flow condition options allow the calculation of the Nusselt # for several external flow situations After following all of the prompts After following all of the prompts Press “Calculate Nusselt #” Press “Calculate Nusselt #”

7. All Done Nusselt Number Calculated Nusselt Number Calculated

8. Source The Nusselt Number Calculator uses equations from Fundamentals of Heat and Mass Transfer by Incropera and DeWitt The Nusselt Number Calculator uses equations from Fundamentals of Heat and Mass Transfer by Incropera and DeWitt