Hello,
I am having some difficulty in understanding the terms in Bernoulli's equation.
Bernoulli's equation is given as follows:
P + 0.5(rho)(V^2) + (rho)gh = constant (along a streamline)
The first term (P) is the Static Pressure.
The second term (0.5(rho)(V^2)) is the Dynamic...
Hello,
I need some help with the general very basic cost analysis of an injection molding machine and a mold for a particular part (Plastic Gear).
For example, a Gear made out of Nylon plastic resin. The gear dimensions are roughly 2 cm diameter (20 teeth). Something like the black one...
So what you are saying is that as a process (engine) completes a cycle it comes back to its original state/properties (by definition of the word "cycle") and if the entropy never leaves the system, then the system never went back to its original state and hence never completed the cycle. The...
How has the total entropy been reduced? What do you mean by reduced? less than 0, which is impossible? Heat was added to the system and and since you said work is energy transfer without entropy transfer, therefore the entropy of the system should be greater than 0. Isn't entropy a function of...
Thermodynamics 2nd Law Please Help! :(
I am going crazy trying to understand the Kelvin-Plank statement for the 2nd Law of Thermodynamics. It states:
"It is impossible for any system to operate in a thermodynamic cycle and transfer energy by work to the surrounding while receiving heat from a...
Hi,
I am taking a course in differential equations.
So far we have learned the following topics/methods:
- Separable equations
- Direction fields
- Exact equations
- Linear ODE's - Homogeneous & Non-Homogeneous equations
1. How do you know if an equation is linear or non-linear...
Hi,
I have a simple circuit question. I was just wondering why I(o3) = 0? (see link)
- Is it because current always follows the path of least resistance?
- So the current flows through the empty branch and not beyond that?
- Are the two remaining 4 kilo(ohm) useless...