Recent content by droc22

I won't give you the answers, but I'll give you the steps. Draw FBD of Pulley K Solve for x and y components to find mass of k and Rg. HINT: the magnitude (or hypotenuse) of the rope that's on 30 deg is the transferred weight of L Draw FBD of Pulley L. You need a reaction force going up for...

Would a electrical linear actuator help in your case? It uses a power screw to drive the piston.

I got this from the ASHREA Handbook: Fouling, an accumulation of dust or condensates on heat exchanger surfaces, reduces heat exchanger performance by increasing resistance to airflow, interfering with mass transfer, and generally decreasing heat transfer coefficients. Increased resistance...

Who are "they"? And in what context are "they" mixing the refrigerants. From what it seems like, there is no advantage of mixing the refrigerants, because you can usually get the desired properties from at least one refrigerant (CO2, R134a, R22, etc...).

You may be better off calculating what the total impact force of the object is, and then doing static analysis on what's being hit.

First, do FBD of the pulley that K is on. \SigmaFy=0=mLgsin30-mkg That solves mk. Reaction at G is x-component of the above FBD Gx = mLgcos30. I'm sure you can figure out Rn now. Hope that helps.

Grainger ended up having the one I needed. Thanks anyway.

I have had trouble finding a source for a reversing valve manufacturer that carries a 12 vdc solenoid coil Any leads would be helpful. I have tried Danfoss, Ranco, and Parker, but to not avail. Thanks in advance for the help. D.

I'm having a hard time finding some documentation on the thickness of a knife edge. I need to calculate the force to slice an apple. I found the skin bursting strength to be 1.1 MPa. That means that assuming the thickness blade to be 10.0 micro-meters and the max length of contact with the...

Hello, I need help with my fourth-year design project. The part that I need particular help with is how to design an evaporator and how to size the fan that will create the forced convection over the fins. What are the main things to consider in terms of design steps? What are some good...