Search for tag: "irreversibility"

12g Example of throttle and HX

Here I go through the two examples of a throttle and a heat exchanger. I look at the energy equation, and solve that. Then I look at the rate of entropy production. It is positive in both cases…

From  Stephen Beck on April 15th, 2021 0 likes 20 plays 0  

11b Introduction to the second law 2

Here I describe what is hapenning in the two videos of the kid falling off the bike and the kid falling off the bike in reverse. I describe the natural order of things beign that order decreases and…

From  Stephen Beck on January 19th, 2021 0 likes 150 plays 0  

11a Introduction to the second law

Here I show a series of irreversible processes. I discuss how in each case high quality energy is converted into lower quality energy and that this is inevitable. I introduce the concept of entropy.

From  Stephen Beck on January 19th, 2021 0 likes 152 plays 0  

11b Reversibilities and irreversibilities

Here I show some reversible processes and show that they cannot be really created. This shows the cause of entropy. FRICTION!

From  Stephen Beck on January 4th, 2021 0 likes 135 plays 0  

11a Introduction to the Second law of Thermodynamics

Here I introduce reversibilities and irreversibilities. I show that there is a natural way of things happening.

From  Stephen Beck on January 4th, 2021 0 likes 4 plays 0