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System stability and Transfer function

Suppose that I have following differential equation for linear system(u-input y output) $$y'''+5y''+16y'+30y=-2u''+11u'+25$$ I need to find stability of the system I tried to build a transfer function ...
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Low-Flow Nozzles for Corrosion Spray Testing

So, for a cyclic corrosion test system, I need a nozzle or arrangement of nozzles that provides a flow rate of 45ml-140ml of salt solution per hour to an area 60cm square. All commercial nozzles I've ...
17 views

What mechanism is available to rotate a metal piece on another metal piece?

I am trying to find some type of mechanism where I can have a smooth but not too stiff rotation between two metal pieces. I was thinking of putting a shoulder screw through the pieces (the pieces will ...
6 views

Looking to apply very specific amounts a vacuum to a small chamber in fractions of inches of mercury to manipulate a diaphragm.

I was considering having the container sealed with a one-way valve to apply the vacuum. I then considered that I might have a vacuum Supply chamber connected between the vacuum generator and the ...
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I am facing a difficult question and can't find answers anywhere else. What on the left is a hydraulic ram, it's pushing the box in the centre to move upward, while the four-bar linkage attached on ...
16 views

Fitting a sprocket on a small motor shaft

I have a bit of a newbie question. I've inherited a mechanical system, wherein the motor has a D-type output shaft with a diameter of 8mm. (https://www.ebay.co.uk/itm/DC-High-Torque-Worm-Reducer-...
20 views

How to add external sensor data to pictures, canon DSLR, hot shoe, electronics

Here's a challenge - I am trying to add different sensors data (height,temperature,distance by laser) to pictures i take with a canon DSLR camera. Would it be possible to connect different sensors ...
11 views

Can we engineer detergent micelles to pick up Microplastics?

I'd like to know if I could get micelles to pick up microplastics in water. I read that microplastics are sometimes charged, so can we make the lyophobic end to pick up microplastics, so that they can ...
18 views

Analysis Of Planar Frame Using Hardy Cross Method (Moment Distribution) With Sway

The image shown below is a sketch of the structure/frame that I am attempting to analyse using the Hardy Cross (Moment Distribution) Method. I need to find the bending moments, axial forces and shear ...
18 views