crf59
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Hi folks,
I'm an ocean engineer who's getting old and slow. If I have a half-cylinder mass on a shaft where I'd like to be able to quantify energy (which I think I have right) and then have some way of relating that to potential power output.
What I have so far:
m=18.6 kg
Length=0.305m
radius=0.07m
Mass moment of inertia (I) = 0.5mr^2
Rotational KE (Er) = 0.5Iw^2
w=60rpm=0.159 rad/s
I calculate the Er as 0.00747J
Does this jive? Is there any meaningful way of relating that to power? I do not have a load value (yet), so am just trying to understand what this might be in terms of power if I use some conversion efficiency (thinking alternator load). I am assuming the same motive force that accelerated it to 60 rpm is constant (in some sort of resonance). If I have my calcs/assumptions wrong so far, please correct.
I'm an ocean engineer who's getting old and slow. If I have a half-cylinder mass on a shaft where I'd like to be able to quantify energy (which I think I have right) and then have some way of relating that to potential power output.
What I have so far:
m=18.6 kg
Length=0.305m
radius=0.07m
Mass moment of inertia (I) = 0.5mr^2
Rotational KE (Er) = 0.5Iw^2
w=60rpm=0.159 rad/s
I calculate the Er as 0.00747J
Does this jive? Is there any meaningful way of relating that to power? I do not have a load value (yet), so am just trying to understand what this might be in terms of power if I use some conversion efficiency (thinking alternator load). I am assuming the same motive force that accelerated it to 60 rpm is constant (in some sort of resonance). If I have my calcs/assumptions wrong so far, please correct.