Questions tagged [torque]

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55 views

What is the formula for the gain factor of a ferromagnetic core for a torquer coil rod?

I am an undergraduate who is currently designing an actuation system for a CubeSat, more specifically a PCB magnetorquer. (with 2 ferromagnetic core coils and one air core) I made an excel sheet that ...
1
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0answers
32 views

Why would photon pressure be needed to keep ParkinsonSAT Spinning?

This answer to Can a satellite work like a radiometer? says (in part): ...the US Naval Academy cubesat ParkinsonSAT was designed with four faces asymmetrical, with solar panels offset to one side ...
-3
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1answer
141 views

Using side thrusters on a missile to create an angular acceleration

Assume a rocket is standing on the ground with mass = 1000 kg, and near the top of rocket we apply a force of 100 N for say 1 sec, now assume that this is sufficient to tip the rocket over/start ...
1
vote
0answers
57 views

Control torque to a Reaction wheel that compensates for friction - need help understanding a working code

Reaction wheel in a s/c is driven by controller torque. However, since there is friction torque in RW, less than the reqd momentum change is achieved. Hence the control torque must be increased by ...
3
votes
1answer
374 views

Verify solar radiation torques on a satellite

I'm creating a design support system for Attitude control design of a spacecraft. For the attitude simulator, I have made a function to compute the solar radiation torque acting on the satellite which ...
2
votes
2answers
558 views

What is a non-propulsive vent?

I just hear the term "non-propulsive vent". Is it a thing, a vent that does not cause propulsion? Or is it an event, where a vent of some unwanted gas has occurred which did not result in a ...