Recent content by moogull

I'll definitely look into it. I like to understand the physics behind devices so I think I would like this reference. Again, thanks for the recommendation :)

I'll check it out, thanks for the recommendation. Does it have anything on different damping mechanisms, i.e. how to actually design a device that will provide a significant damping force?

afternoon y'all, I'm looking for some references on damper design, piston-in-cylinder type since that is the most common. Does anyone know of any textbooks or handbooks that focus on this material? I'm working on some designs for a dashpot with air as the damping medium. Cheers

What I mean to say is, why, since this is not an isobaric process, the work is calculated using a pressure that is assumed not to change? edit: Looking at the atmosphere as the working fluid I agree that the work is defined P_atm*deltaV.

Okay, so in this case, why is the pressure of the atmosphere the pressure used to calculate work and not the pressure of the working fluid?

Thanks for the response Jano, If the process is not isobaric, then why is the work not calculated using an integral and instead W = Patm*ΔV. I'm fairly certain he took the system as a control mass/closed system.

Today in an engineering thermodynamics lecture, the professor gave an example of a gas doing work. We had a cylinder full of helium at a pressure of something like 200kPa absolute and the valve was opened so that the gas would flow out against the atmospheric pressure until the pressures were...

It's not very far into the school semester yet, from what I remember, engineering thermo was very elementary in the beginning but gets hard (and useful) pretty quickly. It might be worthwhile to look into what the second semester of thermo covers as well

In addition, this is a nice article that may help you out without having to wait for a response from anyone: http://www.me.unm.edu/~starr/teaching/me314/planetary.pdf

Hi Csidd, A question for you; when you mention that there are torques on the ring and sun gears, does this mean that they are the two inputs to the system and that the carrier is the output? If so I think you can use a power balance. Ideally, power out = power in. Not ideally, power out =...

Whenever you have mass moving in a dynamic manner (accelerating, rotating) you encounter inertial forces. Changing the momentum of an object requires that you input a force and that change in momentum is what we call the inertial force. In any engine, there are lots of rotating and translating...

Wouldn't the supporting wheels need to be on the other side of the wire? If the wire is stiff enough maybe you can change the supporting wheels so that there are two on each end of the chassis, kind of like a pitching machine. Just more design ideas, no math yet from me.

I'm doing the TA-ship as part of an agreement for the university to cover my tuition and some other fees, I have to do it for a year and then I can change over to a research assistantship. I'll be working towards a masters degree first and I want to do a PhD now, but time will tell.

Why not call it the "goldstein" standard! :wink: ... I must be bored.

"Feynman" of Chemistry? Does anyone know if a chemistry book exists akin to Feynman's fundamental physics books?