jrmichler's latest activity
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Jjrmichler replied to the thread How does the thickness of a clamp affect its ability to transmit torque?.The extreme case of a clamp not conforming to the shaft would be two flat pieces clamped to the shaft as in the diagram below. Two...
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Jjrmichler replied to the thread Thermal mass flow sensor vs. thermal flux sensor.Thermal mass flow sensors measure mass flow, normally of a gas such as air. The output has units of mass per time, such as kg/sec...
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Jjrmichler replied to the thread Are Recent Students All Google Crazy?.When I was a grad student teaching assistant in the early 1990's, I assigned a design problem for the gears and bearings class. The...
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Jjrmichler replied to the thread Random Thoughts 7.I walk slightly over 2000 steps per mile at 120 steps per minute. That's about 17 minutes per mile. Normal walking around is 1500 to...
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JTry performing a few measurements, rethink this, and recalculate. I really mean that. Fairly brief but precise activity, and a small...
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Jjrmichler reacted to PeroK's post in the thread High School Does acceleration affect impact energy vs constant velocity? with
Like.
This is a good example of the principle of conservation of thread momentum, requiring no ongoing impulse from the OP. -
Jjrmichler replied to the thread Piston suction pump versus external gear pump as vacuum pump.The best vacuum pump depends on your needs. You need to specify two things - the amount of vacuum and the flow rate before we can give...
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Jjrmichler replied to the thread Hydraulic Cylinder Held In Place Until Needed.Hydraulic oil is compressible. The volume compressibility is about 0.5% per 1000 PSI, so the 2500 PSI mentioned would compress the oil...
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Jjrmichler replied to the thread How an agentic AI bot managed an office vending machine.A quote from the above quote: "Many of the mistakes Claudius made are very likely the result of the model needing additional...
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Jjrmichler reacted to PeroK's post in the thread High School Does acceleration affect impact energy vs constant velocity? with Like.
It depends whether the force producing the acceleration is maintained throughout the collision. For example, if you have a vertical...
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Jjrmichler replied to the thread Electric power distribution from powerplant to homes.The 7200 volt distribution line past my house has steel conductors without insulation. We had a big storm last year that closed the...
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Jjrmichler replied to the thread Random Photos.Beginning mile 2 of my 4 mile morning run yesterday. Calm wind and comfortable at -7 deg F. The next 10 miles down this road are all...
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Jjrmichler replied to the thread What mathematics software should engineering students use?.My jobs have been mostly analyst, problem solver, mentoring young engineers, and project engineering. I have used MATLAB extensively...
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Jjrmichler replied to the thread Need to anneal 5052 aluminum.I used search terms 5052 aluminum annealing temperature, and got several good results. Some of the confusion might be due to the way...
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Jjrmichler replied to the thread Scrolling pops back wrong way.Mine did it twice yesterday, but only twice. And not on this thread. Chrome, Windows 10.
