Recent content by madhatter106
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Graduate Where did I go wrong in my calculations for the inertia dyno?
the only way I've been able to get similar results to dynomometers output is bytaking the Nm of torque dividing it by 10, seems to be high by that factor then summing time point t1+t2 for t2, then t2+t3 for t3 etc.. it's a bit jittery more then likely due to the resolution on the rpm counts...- madhatter106
- Post #9
- Forum: Mechanics
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Graduate Where did I go wrong in my calculations for the inertia dyno?
thanks, I need to double check my posts, fortunately the equation in my spread sheet is the sum and not the difference.- madhatter106
- Post #8
- Forum: Mechanics
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Graduate Where did I go wrong in my calculations for the inertia dyno?
that's the same MOI I posted isn't ?, the drum is a hollow cylinder. the first equation in my post I=1/2*m*(r_{1}^{2}-r_{2}^{2}- madhatter106
- Post #6
- Forum: Mechanics
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Graduate Where did I go wrong in my calculations for the inertia dyno?
syntax error on my post, the slash shouldn't be there. the drum weighs in at 2950kg, the MOI I've calculated is 1008.71 kg m^2, it's not a solid cylinder or it would be 548.128kg m^2 The runs where done on an inertia drum dyno, no eddy or brake drag at any point, other then frictional drag of...- madhatter106
- Post #5
- Forum: Mechanics
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Graduate Where did I go wrong in my calculations for the inertia dyno?
I'm trying to figure where I've gone wrong in my calcs. the physics of the inertia dyno are simple enough however I can't seem to get the proper results. I=1/2*m*(r_{1}^{2}-r_{2}^{2}) \alpha=\frac{d\omega }{dt} \tau =I*\alpha these are some of the equations I'm using, the torque should be in...- madhatter106
- Thread
- Inertia
- Replies: 10
- Forum: Mechanics
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Undergrad Is Water or Ice better for dissipating heat from a copper tube
that's exactly why a liquid will be better at cooling the air then a solid. surface area for thermal conductivity. better than a tube would be a capillary type finned heat exchanger, oil cooler etc.. the large surface area will increase the efficiency of heat conduction. a block of ice will...- madhatter106
- Post #6
- Forum: Thermodynamics
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Graduate Displacement current between two parallel plates
Thank you, I've not found any that deal with what I'm doing. I will update with some relevant information that I'll be working with to see if it holds promise. I have an old RCA book that deals with vacuum tube design and construction, lecture notes etc.. great resource on old tech. here's a...- madhatter106
- Post #5
- Forum: Electromagnetism
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Graduate Displacement current between two parallel plates
Is my post in the wrong section?- madhatter106
- Post #3
- Forum: Electromagnetism
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Graduate Displacement current between two parallel plates
nothing? I'm aware of this experiment http://personal.rhul.ac.uk/uhap/027/PH2420/PH2420_files/displacement.pdf but the squid coil is was designed to be parallel to the supposed field.- madhatter106
- Post #2
- Forum: Electromagnetism
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Graduate Magnetic field induced by a charging infinite plane
That's a very good question, an infinite plane would have an infinite answer by definition. must keep to the limit of C per relativity. Not sure on what the rules are on speculation of faster than C, however superluminal ES waves are due to the magnetic field being parallel to the electric...- madhatter106
- Post #2
- Forum: Electromagnetism
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Graduate Displacement current between two parallel plates
OK, I was thinking about transformers and mutual induction and then drifted onto displacement current. I then decided to build a simple test apparatus and test for the magnetic field between two parallel plates. using a variety of coil designs to have as much of the windings perpendicular to the...- madhatter106
- Thread
- Current Displacement Displacement current Parallel Parallel plates Plates
- Replies: 4
- Forum: Electromagnetism
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Graduate How do particles and waves interact in the quantum world?
Not at all. It's my understanding and if I'm wrong let me know, that it's treated as a particle. I honestly don't see where the particle comes from. The whole concept and math structure starts as a field and then becomes a probability and then vanishes into a 'point' or to me the location of...- madhatter106
- Post #6
- Forum: Quantum Physics
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Graduate How do particles and waves interact in the quantum world?
OK I'll try and give a better explanation to my ambiguous question. In the case of a SEM the electron beam is scanned across a few angstroms in width, the electron beam w itself is fractions of an angstrom or in most all cases smaller than the lattice. This beam of electrons will impart energy...- madhatter106
- Post #4
- Forum: Quantum Physics
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Graduate How do particles and waves interact in the quantum world?
How does the 'particle' view of the electron for example interact with the lattice of matter when matter is also a wave function? coming from the view that the wave function is a probability field for the particle, so if that is used wouldn't the same need to be done for all possible...- madhatter106
- Thread
- Interaction Particle Wave
- Replies: 7
- Forum: Quantum Physics
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Graduate Background Indipendant or Dependant?
QM is independent right? and a classical view of dependent would be a fixed all encompassing space time. But isn't trying to unify all of physics trying to merge both of those backgrounds? If everything interacts with everything else then is it independent or dependent? I don't think there is a...- madhatter106
- Thread
- Replies: 2
- Forum: Quantum Physics