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Does anyone know where I can get fuel properties for diesel fuel number 2? I'm trying to model a valve in Floworks and need the density, dynamic viscosity, specific heat (Cp), and thermal conductivity. Thanks, Dummi

Hi, I'm reviewing a report where they are trying to determine the max gap between two plates in contact. They use the equation (F1 + F2)/2 = Maxgap. Where, F1 and F2 are the flatness of the two plates. Does this make sense to anyone? Do things change if there is a force pressing these two...

Thanks everyone!

Hi, Where can I find data on the yield strength and tensile strength of S31600 at around 258F? Thanks, Jesse

Thanks syd. Does anyone else have any ideas?

Hello, I have a straight-threaded barrel going through a cover plate, and I need to have IP56 ingress protection. Does anyone have any experience sealing on straight threads? Will it be enough to just put some teflon tape on the threads? I'm trying to stay away from pipe dope, because I'm...

Hello, I have a straight-threaded barrel going through a cover plate, and I need to have IP56 ingress protection. Does anyone have any experience sealing on straight threads? Will it be enough to just put some teflon tape on the threads? I'm trying to stay away from pipe dope, because I'm...

Thanks all for your help. What I'm trying to do is to find K for different mixtures of the gases listed above without knowing the pressure of the gas. I initially wanted to go with K=Cp/Cv, but I could not find Cv, so I tried to use k=Cp/Cp-R. I know this equation is only for ideal gases, but...

Hi, I'm trying to calculate K using Cp and the equation K=Cp /(Cp-R). I looked up Cp in the JANAF tables and in a CRC book and the Cp values were listed at 100 KPa. I'm trying to find K at STP does it matter that Cp is taken at 100 and not 101 KPa? How do I convert it or find it at standard...

Awesome, thanks Cory

Thanks Mike. I am aware that there is some deformation on the threads in a nut, my concern is what is too soft? Are there any equations or rules of thumb to go by in determining what hardness should be used with a certain load/application? Thanks again.

Hi all, I'm an engineer fresh out of college and I'm doing some design work. I need to figure out if the ABMA standard for locknuts is sufficient for my application of it or if I need a hardened nut. The standard that this locknut is going by is that it has to have a tensile strength of...

awesome. but do you guys know where the .16 and the .58 come from? i'm assuming the .16 is pi/2 but i wanna make sure. thanks again, -j

hi guys, i'm new to these forums but you guys seem to really know your stuff. anyways, i have this problem. i have this nut that is supposed to lock down this bearing. and the bearing is supposed to be locked down with say 15 lbs of force. how do i calculate how much torque is needed to...