erobz's latest activity
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Eerobz replied to the thread Bernoulli vs real life experiment.In a real system with viscous losses I wouldn’t be able to tell until I had some real system/fluid properties to fiddle with...
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Eerobz replied to the thread Bernoulli vs real life experiment.This system has a static pressure pre charge of 200 kPa. Turning on the pump will accelerate flow through the pump via pressure...
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EAgreed - I only said "according to the calculation". The pump can only generate a flow by raising pressure. However, once a...
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Eerobz replied to the thread Bernoulli vs real life experiment.See my latest reply to @haruspex. Post in thread 'Bernoulli vs real life experiment'...
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Eerobz replied to the thread Bernoulli vs real life experiment.In my opinion “the system” must be precisely tuned to achieve relative vacuum in the contraction. For instance, If it’s jetting to...
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Eerobz replied to the thread Bernoulli vs real life experiment.a) how is pressure being applied if the pump is off? b) ##v_1## appears out of thin air, where did you get it? I’d like to explore...
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Eerobz replied to the thread Measuring Deer Antler Volume.They are bone, so pretty sure they sink and are relatively impermeable over the short timescales needed to make the measurement.
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Eerobz replied to the thread Measuring Deer Antler Volume.This will be a quick duration dip (done slowly as not to make waves), it won't be soaking. Just enough time for the water level to...
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Eerobz replied to the thread Measuring Deer Antler Volume.Thank you, that technique would make precision adjustable. Also, this measures the volume directly; skipping a computation step and...
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EMy idea is that I want to use immerse Whitetail Antlers in a fishtank to measure their volumetric displacement (the Boone and Crockett...
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Eerobz replied to the thread Variable mass system : water sprayed into a moving container.You know what. Never mind. When I try to solve problems anymore, I get an almost nauseated with trembling anxiety, hyperactivity...
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Eerobz reacted to wrobel's post in the thread Variable mass system : water sprayed into a moving container with
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erobz: catch it -
Eerobz replied to the thread Variable mass system : water sprayed into a moving container.Well the liquid mass in the buggy must be accelerated from u to v inside the buggy? So it feels like an inelastic collision should be...
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Eerobz replied to the thread Variable mass system : water sprayed into a moving container.I'm trying to work this out from a Fluid Mechanics perspective with the Momentum Equation and Mass Conservation: $$ \sum \boldsymbol{F}...
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Eerobz reacted to PeroK's post in the thread Variable mass system : water sprayed into a moving container with
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Here's another way to look at it. There are no external forces on the large mass M. A small mass, m, is fired at a known speed (the...
