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John H. K.

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13 Questions

Votes Activity Newest Views
1
11
votes
2
answers
2k
views

Can you use the Hagen-Poiseuille equation for a pipe which radius is in the sub-millimeter region?

fluid-mechanics microfluidics
Jan 5 at 7:50 Fred 8,793
 
10
votes
1
answer
22k
views

What does “$\pm$ 0.5% F.S.” mean?

nomenclature
Jan 8 '18 at 10:41 Samuil9999 1
 
10
votes
3
answers
11k
views

How do you determine the accuracy of a measurement device?

measurements statistics metrology
Jan 19 '16 at 15:09 Baronz 113
 
10
votes
1
answer
191
views

In the context of a known disturbance $d(t)$ in a control loop, what is the $\Delta t$ at which the control loop has to be executed?

process-engineering control-engineering
Feb 7 '15 at 16:09 Chris Mueller 6,196
 
9
votes
1
answer
1k
views

How do you set up a PID-Control if the time constants of the controlled system are variable?

control-engineering control-theory
Dec 2 '15 at 12:42 willpower2727 673
 
5
votes
2
answers
169
views

Do non-linear passive pneumatic throttles exist?

pneumatic
Dec 28 at 16:00 Community♦ 1
1
5
votes
1
answer
640
views

What are the predominant types of concrete pumps and what are their working mechanisms?

mechanical-engineering pumps
Apr 2 '17 at 12:49 agim happy 1
1
5
votes
2
answers
2k
views

How does the S-N curve (or Wöhler curve) of a material change with frequency?

mechanical-engineering structural-engineering materials metallurgy fatigue
Nov 2 '16 at 23:58 Mark 5,218
 
5
votes
1
answer
90
views

How long does it take for two initially seperate fluids to reach a certain homogenity across their container?

fluid-mechanics diffusion
Mar 10 '16 at 23:05 Community♦ 1
 
3
votes
1
answer
2k
views

How to calculate the resulting temperature for a stream of air through a hot tube?

heat-transfer
Sep 24 '15 at 11:14 Algo 2,106
1
2
votes
1
answer
4k
views

What are characteristic values for a piston pump?

mechanical-engineering pumps
Oct 5 at 20:26 blala 1
 
2
votes
1
answer
3k
views

What does “BSL Accuracy” mean?

sensors metrology
Feb 15 '16 at 12:33 John H. K. 1,598
1
0
votes
1
answer
68
views

What is the technical term for a document that contains the results of a final test for a specific product?

terminology quality-engineering industrial-engineering
Jul 29 '15 at 19:08 Air 3,291
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