Questions tagged [aerospace-engineering]
Aerospace engineering is the primary branch of engineering concerned with the research, design, development, construction, and testing of aircraft and spacecraft.
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How would I do stress analysis on a fuselage like this?
This is a frame for an RC plane that I have designed using balsa wood and prefabricated carbon fiber flat bars. It will have a balsa wood skin on the outside, but I have yet to figure out how to ...
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When something undergoes angular acceleration (like a bar) how does the distribution of forces look along the bar?
This is something kind of explained with propellers and turbine blades but I'd love some good explanations. Thank you!
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How does stalled diffuser/wing reduce drag at F1 car?
How stalled diffuser/wing reduce drag at F1 car if in aerodynamics stall/separation is always related to increase in drag?
Any graph of pressure distribution when diffuser is stalled?
From "...
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In orbit rocket launch
If fuel is sent into space in bulk using space station as a "Fuel Depot", then how fast and efficient could in orbit launches of objects like probes, etc be? Rockets use huge amounts of fuel ...
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Helical inserts on aerospace parts work intermittently
I work at a machine shop with high-volume parts and a lot of threaded holes. Common sizes are 1/4-28 STI and 10-32 STI. Every hole gets a helical insert. We have always had major issues with the 1/4-...
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Can we add treadmill-like structures over the airplane surfaces to reduce friction, decrease drag and producing energy?
I am curious about a method to enhance the efficiency of passenger aircraft during cruise speeds by integrating treadmill-like structures on the fuselage and beneath the wings without changing the ...
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Jitter Experienced by Spacecraft from Reaction Wheel Imbalances
I am working on a project trying to model a satellite's pointing error caused by jitter from the reaction wheels. I have found a couple of papers (Paper 1 and Paper 2) which implement the simple model ...
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How to estimate air velocity at turbine in turbojet?
I am designing a small turbojet. I wanted to know how to calculate the air volume expansion to predict the outlet velocity of air towards the turbine. Theoretically, I wouldn't know the flame ...
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Can we use ion thrusters in space to relieve tension on a space elevator cable?
I suspect/hope I'm not kidding myself too much with the physics of this; it seems to stack up in my mind; but can we not relieve tension on, say, a steel cable running from a space station in orbit ...
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Atomic weapon design book [closed]
I’m starting my degree in nuclear engineering in September and was wondering if anyone knew any good books for Atomic Weapon design please?
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Is there a way to 'switch OR engage/disengage' power between two different rotating shafts depending on a set RPM (wind speed)?
I'm a final year mechanical eng student, I'm working on designing a prototype of a 'Hybrid vertical axis wind turbine (VAWT)". This hybrid turbine consists of two types of VAWTs Savonius & ...
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Is there a table for the density, Young's modulus, and other common properties for the most common materials?
I've tried googling extensively, but I have not found a single table that contains many of the "common" materials and more than one property. Does anyone have a table from an engineering ...
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Help relating thrust to angular velocity of helicopter in hover
Given a system consisting of an engine and propeller, I want to determine the maximum thrust it will produce when in stationary hover (no forward velocity) above the ground, and what angular velocity ...
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What is the optimal weight ratio for a multistage water rocket?
I do know about the Tsiolkovsky rocket equation for optimising multistage rockets, however the equation requires a fixed exhaust velocity which is something that water rockets don't have, so for this ...
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Optimizing Launch to LEO
I recently decided I would try to develop my own launch to LEO optimizer, as I have always been fascinated with the complexity of that problem. I have been using matlab, as I am very comfortable with ...
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