DaveE's latest activity
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DaveE reacted to berkeman's post in the thread Undergrad Questions about bubble behaviour with
Haha.
I was going to ask about that; thanks for clarifying. :wink: -
DaveE reacted to phyzguy's post in the thread Undergrad Can nested solenoids trap particles? with
Informative.
I think what you are talking about is similar to the field reversed configuration, which is being studied as a possible path to... -
DaveE replied to the thread Schools How good and well-known is the physics program at RPI?.As you said, RPI has a good reputation in the engineering community (EE anyway). It's a good school, IMO. Your grad school admissions...
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DaveE reacted to searpier's post in the thread Engineer with a Growing Passion for Physics with
Like.
Hi everyone, I'm glad to join this community. Let me briefly introduce myself. I'm a senior software engineer and project manager... -
DaveE reacted to Baluncore's post in the thread Automotive Need to glue aluminum to glass with Like.
The problem I see with RTV silicone, is that it will bond well to itself, but poorly to aluminium or glass. Still, if the joint is...
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DaveE replied to the thread Automotive Need to glue aluminum to glass.Yes 100% agree. RTV isn't great in wet locations or sun, it usually shrinks with age, and doesn't bond well to most things. It's really...
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Hello everyone, New to the site - I am in the electrical / elevating industries and have always been interested in physics and...
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DaveE reacted to recniabsal's post in the thread High School Where does the figure for a proton's rest mass come from? with Haha.
It is a calculation. See that multiplication symbol in-between?
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DaveE replied to the thread Engineering Design of Boost Converter.There are many other factors involved in selecting the switching frequency. I guess this would be a good description of the maximum...
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DaveE replied to the thread Engineering Design of Boost Converter.This is the change in the inductor current; how much it increases. Read up a bit about continuous vs. discontinuous conduction mode...
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DaveE reacted to sharps4590's post in the thread Is it dangerous if there is a mains fault on a potable water pipe? with Informative.
As per NEC if electric lines and water lines are in the same ditch there is to be 2 ft. of separation. I'm not a double E but was an...
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DaveE reacted to Filip Larsen's post in the thread Engineering Control systems block diagram: Valid or Invalid? with Like.
Note that in practice you would have constant factors on each term that in principle convert to the "correct" unit, like for the often...
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DaveE reacted to jrmichler's post in the thread Need advice and hints for working with helium with Informative.
Any valves should be bellows sealed to eliminate leaks past the valve stem. The image below is of a Swagelok bellows sealed flow...
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DaveE replied to the thread Engineering Control systems block diagram: Valid or Invalid?.You might think of this diagram as an ODE. There's nothing wrong with saying ##x(t) +\int{x(t)}\, dt ...## in that context.
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DaveE replied to the thread How to build a CNC plotter?.It would help us if you said which part(s) of this machine you are interested in designing. The mechanical part, just the software...