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Development of aircraft and space vehicles. Propulsion, Aircraft Structures, Crafts, Atmosphere
Y 03:00 PM bigfooted 
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Gear heads unite to discuss Vehicle Dynamics, Safety Engineering, Performance, NVH, Ergonomics, Durability...
Aug31-14 03:55 PM H012 
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Jan16-12 Greg Bernhardt
Hi everyone, Maybe this resource is new for someone. It's a collection of videos made in the 60's by the very best...
Mar6-13 10:50 AM
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Dear all, I checked job numbers on indeed Canada, and when using Pro/ENGINEER and solidworks as search words, I got...
Aug4-14 01:56 PM
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Hi I was reading a book that introduced momentum and energy in integral forms and I had some confusion regarding...
Sep1-12 11:37 PM
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I am thinking of building a Stirling engine and am debating between a gamma type and beta type. Any advice on which...
Sep5-12 05:59 AM
Simon Bridge
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Hey guys I really have difficulty learning heat transfer and I wish if someone knows a website that includes...
Sep1-12 03:48 PM
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Hi everyone, I have a part that's made of A2 Tool Steel (unknown HRC). It needs to be able to withstand a bending...
Aug28-12 06:32 PM
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When some gun powder explode in a iron hollow cylinder , how much energy consume to destroy that cylinder? We have...
Jul27-12 03:48 AM
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I have no idea how to calculate the bushing load which is stated in catalogues in unit N/mm^2 and KgF/cm^2. Anyone...
Jul13-12 10:16 AM
1 1,317
Let's say I have a simple parallel flow problem as shown in the attachment. The flow is pressurized and the downstream...
Jul17-12 10:03 AM
1 1,619
Hey, I'm wanting to create a custom Rack and pinion set up where force is applied to the rack, turning the pinions. ...
Jul3-12 07:46 PM
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I just want to ask a simple question to experts here. Can superheating of steam increases efficiency and output of...
Jul4-12 08:06 PM
1 859
Hello, Does anyone have the shear modulus value for Alu Bronze CW307G-R680 Cheers Ben
Jul5-12 10:41 PM
1 639
This is about the basic thermodynamic cycle of the gas turbine (i.e. Brayton or Joule cycle), consisting of adiabatic...
Jul14-12 06:16 PM
1 886
hi ! i have created finite element mesh in abaqus. i need to export this mesh i.e. the nodes and element details on...
Jul16-12 01:59 PM
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Choose from the following: Engineering Business, Environmental Engineering and Sustainable Energy. I will be...
Jul16-12 06:19 PM
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dear friends i have an application for pumping system it consists of 3 parallel pumps having a max head of 8 bars ...
Jul18-12 08:44 PM
1 825
Hi this is the case I have to find a suitable motor for a screw conveyor with mass flow of 200g/h lenght of a...
Jul18-12 09:53 AM
1 861
I was told that lubricating the interface of a thrust roller and kiln tire with graphite would reduce the thrust load...
Jul19-12 11:27 AM
1 665
I have hydraulic system that lift something heavier than 1 tonne. My problem is the hydraulic fluid always get so hot...
Jul19-12 08:16 PM
1 1,272
Despite the name interceptor, this is marine as in water, not marine as in marine corps. Interceptor plate on a...
Jul20-12 04:36 PM
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DEAR MECH ENGINEERS CAN I ASK YOU whats the rank of catia between other softwares such as solid works and solid...
Jul21-12 08:04 PM
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Hello, So i am using this 3HP pump for which the head ranges from 6 meters to 14 meters. Discharge being 19.1 LPS...
Aug10-12 02:15 PM
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I have a couple questions on supercritical boiler systems with reference to pulverized coal power plants. My first...
Jul23-12 10:34 AM
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Does anyone know where I can purchase a torsional strain gauge? Website? Company? Thanks
Jul23-12 05:49 PM
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Hi all, There is a block of ice (say 20 cm^3) sitting inside a box (50cm^3, constant volume) at very low P and low...
Jul26-12 01:04 PM
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Hi, i need some help in writing the surface mesh in abaqus. i have a wing model, meshed using hexahedral mesh. now...
Jul26-12 12:41 AM
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Hey there, I am currently working on creating models in Abaqus of Wrist implants to see how they respond under...
Jul30-12 10:21 AM
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I'm just trying to figure out a theory. Forget what you know about a reciprocating piston engine, and just dream with...
Jul30-12 12:24 AM
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Maybe I've asked this before but I can't find the topic any more. I'm looking for a way to calculate the outgoing...
Jul31-12 02:33 AM
1 586
Does anyone know of a program that can give a good approximation of fluid flow based on the Navier Stokes equations? I...
Aug3-12 10:06 PM
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Hi, I would appreciate if someone can help me figure out this design problem. I am working on designing a device to...
Aug15-12 12:12 PM
1 858
Suppose we have a second-order system with the following transfer function: G(s)= \frac{1}{s^{2} + 2ζω_{n}s...
Aug7-12 03:44 PM
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I'm trying to calculate the reynolds number for flow inside an air duct with an obstruction. Basically the set up...
Aug12-12 09:54 PM
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Hello , I have a 60kW hoisting motor with 600 rpm ,10 pole ,crane duty slip ring motor When the motor is...
Aug17-12 06:30 AM
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Hi all, I've got 2 bevel gears that I'm recreating in CAD, I've got the shapes down it's just a little bit of fine...
Aug17-12 12:20 AM
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Do they exist? Looking for any recommendations on ESD "proof" metal roller conveyors. Not sure if the static...
Aug16-12 01:51 PM
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I'm very interested in building this cool device, and was wondering if water could be used instead of air as the...
Aug24-12 11:02 AM
1 1,564
Hello, I am interested in robotics and engineering but since I live in a place like korea, I don't have a garage or...
Aug20-12 11:12 AM
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Hi, For an undamped mass, spring system subject to a harmonic force, the equation is: ma+kx=Fsin(ωt) where...
Aug22-12 08:35 AM
Simon Bridge
1 1,005
Hey, so my situation is a positive displacement pump churning out 30gpm. Theres a bunch of pipe losses that I can deal...
Aug23-12 01:30 PM
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I have methane leaking into a gas container from a connected reservoir cylinder. If the volume of the container is...
Sep6-12 05:17 PM
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Hi all. I am working on a problem in which I want to model the collision of a moving object, with mass m1, with a...
Sep15-12 03:25 PM
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