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Engineering : Recent Questions and Answers (Page 66)

Find answers to your questions about Engineering or help others by answering their Engineering questions.

Fusion 360 animation , contact sets

I was designing a whit-worth quick return mechanism, I have provided the contact sets but they fail when I try to animate. The contact set is defined for the crank...

Asked on 01/17/2021 by Tom Thomas

2 answer

Critical mass in a molten salt reactor

In a conventional nuclear reactor the amount of neutrons 'flying around' is maintained with control rods and water is usually used as a moderator. From a certain point of view...

Asked on 01/16/2021 by Martijn

2 answer

What makes a pulley that is rated for horizontal pulling different from a pulley rated for lifting?

I have a home project that involves lifting a platform with a cable that runs through a series of pulleys to redirect the cable. I'm selecting pulleys for the job...

Asked on 01/16/2021 by Klik

2 answer

Extended Kalman Filter formulation

For a nonlinear system,$$begin{align}&{boldsymbol x}(k+1)={boldsymbol f}({boldsymbol x}(k),{boldsymbol u}(k),{boldsymbol w}(k))&{boldsymbol y}(k)={boldsymbol h}({boldsymbol x}(k),{boldsymbol v}(k))end{align}$$ I would like to find the Extended Kalman Filter (EKF), having...

Asked on 01/16/2021 by Adams

1 answer

Verifying MERV Integrity for Specified Material

This is a question related to materials science. Essentially I want to purchase MERV 16 material from a manufacturer and I want to verify that it's true MERV 16 material...

Asked on 01/15/2021

0 answer

Will coefficient of discharge remain same when it is used for measuring either liquid or gas flow rate?

I would like to measure air flow rate. I have a orificemeter but do not know its coeficient of discharge. Will the Cd remain same for both the liquid and...

Asked on 01/14/2021 by Shardul

2 answer

Using Density Correction Factors for Fans and Blowers

I've been researching fans/blowers and their use in pneumatic systems (particularly conveying systems), and I'm confused by the application of density correction factors. Let me describe a sample situation: I...

Asked on 01/13/2021 by Sean Ericson

0 answer

How do I detect laser point?

I know military uses laser designators and they can be visible by their bombs or missiles from really long range. My question is how could I do such laser point...

Asked on 01/13/2021 by Name

0 answer

Why would a "delayed loudspeaker" be so expensive in the 1970s?

Recently, I read about some major musical concert held somewhere in the USA to a record-large audience. Since there were so many people, not all could see or even hear...

Asked on 01/13/2021 by Silven B.

1 answer

How can I tune the parameters of a lqr controller?

From my internet research, it seems there's no systematic way of tuning the design parameters for the LQR controller. I have found Bryson’s rule as an initialization. However I don't...

Asked on 01/13/2021

1 answer

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