Design Definition and 1000 Threads

I'm attempting to design a turbine for a small scale solar updraft tower. It produces between 1-3 m/s of air flow in a 0.3m diameter tower. I'm in need of resources that can guide me on designing the turbine fan. I've already got the Wind Energy Handbook, however I'm not even sure if following...

Homework Statement Parameters: 1. Design and build an egg capsule within a volume of 10cm x 10cm x 10cm. 2. There must be a lid opening to insert the egg. 3.The capsule must be drop ready within 60 seconds or less after obtaining the egg from your instructor. 4. Drop time is non-negotiable, be...

Dear Colleagues, I am working in the design of one packaging for pressure sensor (piezoresistive), this packaging should be really cheap, I want to use a layer of parylene to cover the surface of the Silicon Pressure sensor, which include the diaphragm with the piezoresistive materials, I am...

Hi Physics Community, I'm working on the design of an aileron less and tail engine small UAV (Wing span 800mm) but I got stuck in Stability and Control. I recall from a teacher that a V-tail design is good for those configurations. However, I cannot find references to calculate/estimate neither...

Hi Guys Recently I have started a new hobby into RC planes. What I have noticed is extensive use of Carbon composites weight yet sturdy structures. Now the problem is that these structures seem to be cut (milling/drilling/laser cutting/water jet cutting) from a sheet (or laminates) of carbon...

Homework Statement Hi everyone, i am currently struggling in my digital design and logic class that includes boolean simplifications and whatnot. I seem to understand how to simplify and am able to comprehend how the karnaugh maps work but what i do not understand is for example, on our...

Hi Folks! I'm new here and need your help. I`m in the process of designing an alt azimuth mount for a Heliostat. For those of you who don't know a Heliostat is a mechanism that allows a mirror to rotate around the vertical axis(horizon) and horizontal axis(altitude). It is(usually) placed...

Homework Statement Recently my teacher gave us a homework on the designing of wave pool.The title is like below: You have been assigned as a consultant to design a water park at the abandoned pond site. The new water park should be able to produce conditions similar to the sea and also allow...

hey all, I'm stumped so I thought I'd try posting here. I am in the early stages of design of a vehicle where we have a rough approximation of weight, no idea what gear ratios or power/torque to use yet, but have an acceleration requirement. I am trying to graphically model the relationship...

Is there any formulae available for designing wheel alignment parameters like camber,caster,steering axis inclination and toe in and toe out.

Hey guys, Im in the middle of a project and need help with the base for it. I have to develop a base for a rectangle 3 feet high by 2 feet wide by 6 inches deep. The front of the rectangle is 1 pound heavier than the back and will stand 2 feet off the ground. The base must be able to make the...

Hello everyone, I am a junior Mechanical Engineering major tasked with the design of a gear reducer using spur gears. We haven't studied gears in-depth up to this point and I was wondering if anyone has suggestions regarding initial design considerations or a possible starting point. Any...

am currently designing a servo motors for a spillway gate for a dam , I have some doubts on how to determine the pushing force( the force needed to drop the spillway gate at a safe rate) for a piston carrying a heavy load of 275tons at a speed of 0.4447 m/min(this speed was pre-determined by me...

Hey guys, I am currently studying Mechanical Engineering in the UK. For my final year, we have to basically invent or design something that hasn't been invented before or improve something that's already been invented.Now unlike my cousin who's studying Aerospace Engineering in the US, he told...

I have no clue about the engineering job market as I'm in IT, he's looking for guidance. What kind of job positions would he be eligible for in US and which state(s) is the best for this field? I have attached the undergrad curriculum. He did his Masters with VLSI design focus. His Masters...

Is anyone familiar with the so called rocket mass heaters - a popular DIY project? Has anyone ever studied design or uses?

Hey Everyone, so I have just started Aerodynamics and having completed a number of exercises I'm being asked to design an airfoil. I'm a bit outta my dept as I've transferred into this course from a diff field. 1. Homework Statement To design an airfoil, using the knowledge you've acquired in...

No separate coolant is used, instead lubricating oil to be used for both lubrication and cooling of engine. How to calculate radiator size, coolant flow rate?

I want to design a simple home use electronic wacky talky. Please help.

Friends, I want to know the methods involving the airfoil design and optimization. from initial step onwards...how to start my works.

I am looking for some insight with a problem I have. I am trying to design a foundation that is partially under the current water table. It is a hollow rectangle that is 30 m long, 11 m wide and 9 m high with a wall thickness of 0.5 m, it is attached to a triangular shape foundation that is 35...

I need to design a basic setup to rotate the workpiece in Die Sinking EDM Process. I made some design but they were complicated and were not easy to fabricate so I need someone who can help me.

I am creating layout of cmos inverter in cadence virtuoso using 0.18um technology. channel length is 2Lambda = 0.18um I read that contact should be 2Lamda X 2Lambda that is 0.18um X 0.18um right but my LVS Check is throwing error telling that contact must be 0.22umX0.22um whats might be the...

For the above op amp circuit: Vin= squarewave with 10Vpp and 1kHz. C=0.01uF. Vcc and -Vcc is 15V and -15V. Using the above specs, I calculate R using these equations: Requirement: Create a triangle wave with output voltage Vo to be 10Vpp. This is a gain of 1. Using the above, I find...

Hi There, I'm in the preliminary stages of building a spring powered car to race over a distance of 10 metres. It is a yearly event held in my local area and so far we've only seen one spring powered car. I think this is because it may be difficult to design a way to harness the energy...

I need to design a CAM composite with a spring for an exoskeleton to aid elderly mobility. However, the problem I face right now is that the CAM I designed provides a linear force profile, i.e., the force varies proportionally with the extension of the leg. How can I delay this force applied so...

Hello all, would like to ask what seems to be a general rule when designing power systems. In the power system design program which I just started to use. It is advised that: For every simulation to be run, it is best to have a "flat start" before running any faults. I'm not too sure...

I was just assigned a design project to work on and this is my first time doing something like this and I'm not sure what to do! I would like useful advices from experienced people regarding what type of product should a first-timer like me choose to work with? It's telling me to "design" so I...

the front end is a slo 100 on a soundcity 120 guitar amp, this was when I didn't know what I was doing (and I still don't :redface:) but tell my design mistakes, the output transformer was what came with the soundcity 120, sadly during a move I lost all the parts to the amp, still I'd like some...

Homework Statement "Determine the design angle θ (0° ≤ θ ≤ 90°) for strut AB so that the 400-lb horizontal force has a component of 500lb directed from A towards C. What is the component of force acting along member AB? Take ϕ = 40°" Homework Equations x-component: magnitude*cos(θ)...

Hello, what PCB Design program do you prefer? What's the reason for your choice? I am freshman to PCB design and working on PADS from Mentor Graphics. But I have to admit it seems me a little bit unintuitive and I am unhappy with non-perfectly fitting transmission lines and prolonged editing...

I Need to design a Vertical cylindrical water tank to be build by Fiberglass. I need to calculate the tank also for 7.5 m bar pressure and 2.5 m bar vacuum pressure. Tank Dimensions to be 4m Dia, 5 m High (60000 Liters). I have Fiberglass laminate of 6 mm Thk and Modules is 1470000 psi. I have...

Hello! My friend and i are interested in doing a project.My area of interest in Fluid mechanics and my friend's is mechanical design can you guys help us out by providing some topics of research which encircles both these areas.

I am learning about statistical design of experiments, and in the process of mathematically rigorizing the concepts behind fractional factorial designs of resolution III, I derived an interesting equation: $$k = \sum_{i=1}^{3}{\lceil{\log_2{k}}\rceil \choose i},$$ for which the solutions $k$...

Hi, I just started my first job and I have to complete one unfinished project. This is a dust collector system and i have the ducting blue print but I am not sure how to calculate the friction losses in the ducting. I have the dust collector in place plus the ducting diagram, need some help with...

I want a design for a small 15 cm long beast wolf I can use- -wires -motors -rubber bands -cardboard -matchsticks :thumbs:

Hi, I've been trying to teach myself electronics. I have read a lot of introduction books and now want to build a circuit. However, I have not been able to find good books on how to assemble simple circuits. In other words how the parts (resistors, caps, coils, diodes, transistors) go...

I'm trying to design mechanism similar to this video https://www.youtube.com/watch?v=t1JNWnTpmkA where i have concentric rings that spin within them selves around x, y and z axis. I intend to use track roller cam follower bearings to support each ring, with a bearing width of 10mm and a...

Hello All ! Above is the title of the topic and am looking for inputs. Right now I am working on this as my thesis. And I am looking for some one how have already worked in the similar field for a better guidance for me. Thank you in advance. Regards,

Dear all, I am following Shigley's Mechanical engineering design as a textbook for my course of machine design.But i would be very thankful if anyone gives me some references books of machine design in pdf format containing more and more problems.It will be helpful also if you can provide any...

respected members I need advice I am taking course on embedded system & vlsi design I have to make project but here is two domain (embedded system & vlsi design ) where I can make project on one domain VLSI or EMBEDDED. but for learning purpose I want to make project where I can use both...

Hey guys! I am currently creating some automated snips for trimming plants. I am using auto desk inventor to design it all. The design and concept is solid and modeled/animated to show proof of operation. However now i want to try prototype - i can sort out everything aside from the gear. I...

hello. I'm designing a 100w 4Mhz class E amplifier. I need a ferrite core transformer for impedance transformation and load isolation but unfortunately I lack the knowledge required for designing it. if anyone could guide me to a good book or a web page, or simply give me some formulas I would...

I have a pretty specific problem that I'm trying to solve and I'm out of ideas. I can't divulge too many details, so I thought I'd use an example to describe my problem in general terms. I'm not sure if it's really possible to brainstorm using this forum, but I thought I'd give it a shot...

Hi, I am trying to redesign a system that's already avialable. It contains a small metal rod hanging in mid air between 2 magnet(permanent). There is a solenoid that let's it move to and fro when current is passed. And then there is a spring to limit the movement of the metal rod due to...

Homework Statement You are given two ideal batteries with ##\epsilon_1 = 1.5 V## and ##\epsilon_2 = 9.0 V##. You are also given three ##120 \Omega## resistors.You may use any or all of the components. Design a circuit where there is a current of ##21 \pm 1 mA## through at least one of the...

Hi, I just went through the PhD programs offered by this university. They have 4 pillars...as they call it..one of which is Engineering Product Development (EPD), which I am interested to pursue. From what's given in their brochure.. "EPD pillar’s mission is to prepare graduate-level leaders...

I have a tub randomly filled with light longitudinal parts like pencils or matches. My goal is to gather them into a buffer nicely aligned (independently of which end is facing side). What's the fastest way to achieve this? I have considered unconventional bowl feeder with substantial radius...

Hi all, I am rather new to the forum and am a second year mathematics and physics student if that has any relevancy to the question I have. My passions involve studying things like ballistic trajectories, missiles/drones, explosives, and other sort of weapons with possible military/defense...

Hello I wonder if anyone here might be able to help me. I am writing a children's book called The Wing Giver about a boy who wants to fly and a Spitfire pilot. However words are my thing and physics isn't! In the book, the boy wants to solve a formula his dad has set him which is to work...