Questions tagged [mechanical-engineering]
Questions within the problem domain of mechanical engineering. Mechanical Engineering can be a broad field; consider choosing more specific tags if they apply.
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How to calculate runout errors of drills?
Context: For university I have to write a program that calculates the position and value of a runout error for drills.
Idea: My idea is with Fourier transformation I only look at the noise and ...
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Which frame will hold the load better
Which frame will be better to hold the weight?(50x50 c-profile) My boss claims 45 degree is always desirable, but in this circumstance it looks like the lower angle is better.
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Gizmo away from the object in FreeCAD
I downloaded a Mecanum wheel model from grabcad but its Gizmo is away from the Object. Is there any way to correct it? I tried Changing "Position" under "Placement" but its ...
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I want to know on how to maintain center of gravity of a robot (IGV)
I am making a IGV (Inteligent ground vehicle) in the form of a cylinder with the base as a circle. I want to know whether my bot can climb a 15° gradient ramp or not.
Some specification of robot -
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Bronze Journal Bearing "Break-In" Period
I'm being told that the bronze journal bearing corresponding to a stainless steel shaft requires some time to "break in". Please note that these are used bearings that have been removed and ...
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Why does subsonic flow decelerate in diverging nozzle and supersonic flow accelerate in a diverging nozzle?
-Why does the pressure decrease in the converging section for subsonic speeds and the speed increases?
-Why does the pressure increase in the diverging section for subsonic speeds and the speed ...
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Will a bare wire encircling a tent and connected to a tall metal rod help to protect the tent from a direct lightning strike?
I am planning to go camping later this month and I am concerned about lightning since the campsite I will be staying at is located on flat terrain in a rural area in Illinois. This campsite is located ...
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Circumferential stress in a toroidal shell
Consider the following formula for circumferential stress (σ2) in a toroidal shell (taken from Roark's Formulae for Stress and Strain):
It seems that it has been derived by using simple force balance ...
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How should a stationary suspended spherical tube be modified to incorporate aerodynamic downforce mitigating both fore and aft 45 mph - 120 mph winds?
The question involves this topic; High-wind rollover damage in center-pivot irrigation systems. This study involves the additive engineering possibilities to achieving an aerodynamic remedy ...
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Finding Pipe Diameter from Flow Characteristics
I'm trying to find an equation that will give me a required pipe diameter, the variables I have are the following:
Fluid characteristics (argon)
Volume flow rate at exit
Pressure at input
Pipe length
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Specification Tolerance Table vs Formula Discrepancy
BACKGROUND
I was debating asking this in math exchange but opted for here since it is based on engineering specification.
I was recently going through the specifications for Whitworth threads in BS 84:...
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Can air velocity be supersonic in a straight pipe?
Consider a sufficiently large reservoir of compressed air at a pressure of $7 \text{ bar}$ (abs.). A tapping of $25 \text{mm}$ diameter of pipe length $1 \text { m}$. The pipe is open to the ...
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Donkey pump is centrifugal or positive displacement?
Donkey pump belong to which category of pumps?Is it centrifugal or positive displacement? According to my understanding it is positive displacement. Please correct me if i am not right
I have also ...
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Steel beam splice design
What is a good source of design recomendations for beam splices? I'm designing a structure and I need some help with getting proper splice strength for certain beam size. To make it simpler, I need ...
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I was solving fluctuating load problems and the word "static" confused me
Here's a snippet of the question that was asked a couple of years ago in university exam:
A cantilever beam made of cold rolled steel for which ultimate tensile strength =540 MPa and Yield tensile ...
