Rowboats, Laser Pulses, and Heat Energy (Boring Title: Dimensional Analysis)

Dimensional analysis means to understand the essentials of a phenomenon in physics and to calculate characteristic numbers - without solving the underlying, often complex, differential equation. The theory of fluid dynamics is full of interesting dimensionless numbers -ย  Reynolds Number is perhaps most famous. In the previous post on temperature waves I solved the Heat … Continue reading Rowboats, Laser Pulses, and Heat Energy (Boring Title: Dimensional Analysis)

Non-Linear Art. (Should Actually Be: Random Thoughts on Fluid Dynamics)

In my favorite ancient classical mechanics textbook I found an unexpected statement. I think 1960s textbooks weren't expected to be garnished with geek humor or philosophical references as much as seems to be the default today - therefore Feynman's books were so refreshing. Natural phenomena featured by visual artists are typically those described by non-linear … Continue reading Non-Linear Art. (Should Actually Be: Random Thoughts on Fluid Dynamics)