Design Definition and 1000 Threads

hey guys For the last year, I've been learning and working in solidworks, mainly youtube videos, reading tutorials, manuals and solidworks support . But I don't know when you reach "PRO" What (else) Can I do to improve my solidworks skills.

Recently I've started to investigate Spacesuit Design and different aspects of it. I was just wondering if anyone could provide me with some preliminary books or websites that I could use to get my research going, I would greatly appreciate it. P.S If my post is in the wrong forum just tell...

anyone know what the metal fin-like structures are? i see these on a lot of LED bulbs. they look like heat sinks but if conventional bulbs don't need heat sinks why would an LED bulb need one? besides! i thought the conductivity of semiconductors was proportional to temp.

Hello everyone, I have a few projects in mind that call for various sized solenoids. I have been experimenting with various gauges of magnet wire, however, every time the battery is connected, it gets too hot to hold. with that being said, is there a way to calculate how...

I have just joined the forum so please be nice as I'm not an engineer. lol Thank you for any and all help. I wanted to tap the knowledge here because my brain hurts... I'd like a better understand of how to get the answer not just the answer if possible. I am designing a mechanical...

I want to design a single phase induction motor (1/3 HP,50Hz,220V). I face a problem to design the main dimension of stator and Slot shape and Rotor skew angle . Would you give some idea for design ? or any related book and software ?

I have read a discussion about a centrifugal fan on a wheel system The fan pulled air to itself and push the air outward from center. Most flying machines that I aware of push air down, as Newton describes. Since air is move downward, but toward machine could a new drone work this way...

hi friends, I am going to program a double pipe heat exchanger designer software and I need to every detail on heat transfer and mechanical design considerations. I've read some on double pipe heat exchanger on net like this http://scopewe.com/double-pipe-heat-exchanger-design-part-1/ guide...

Quick facts: Age (19) / Mech. Eng. Sophomore / Automotive & Physics Lover In an attempt to design and construct a new less restrictive engine intake system I've run into a number of questions I am not yet able to answer. Main Goal: To produce a new intake system and associated plumbing...

Hi I had a neat idea for a relay design, basically its a relay that takes very tiny movements to open/close a circuit, I.e. I can make a 10 micron movement to create/close a 1mm gap very easily and in a small package (3mm by 10mm by 20mm say) and with a fairily large contact area (for that size...

hello this is the first time I'm using this forum so I hope that my post is in the right sub-forum I'm working now on a project for water treatment , I don't know exactly how to design the setup of the experiment. what is needed 1- 50l feed water tank connected with a pipe , I have to...

Hi Physics Forums! I've been browsing these forums for a while now and not actually joining in.. Now I'd like to ask for your help! I'm about to enter into my final year of my degree in Automotive Design and Engineering and need a project. I need to re-design a part of a car and engineer...

Axial flux alternator is an easy to make pancake of stationary coils between spinning permanent magnets. Having made one and played with it, i ended up with a few questions. Would it make a good motor? There are axial flux motors for sale, and my alternator spins nicely when hooked up to a...

The Little Rocket That Could [Figure 1. Check this out.] This post illustrates an example of KSP rocket design. The following are the rocket's design goals: Get three kerbals and a bunch of science items to the Mun, in an Apollo style mission: such that two kerbals (and science) land on the...

Hi there - this is my first post here so apologies if it is not in the correct sub-forum. I am working on a passive solar powered pump that uses pressure built up by heat in a closed cylinder (expansion chamber) to displace water from a sealed reservoir to an elevated target tank. I am...

Hello. I'm trying to design a AC to DC LED driver with PWM dimming. I have a design that I can use with the LM3406HV but I would like to design something that I can wire up 110V AC mains line. With the LM3406HV I need a DC power supply. I was thinking about using a switching power supply but if...

I believe artillery guns and barrels that are highly pressurised often use shrink fitting (heating up a tube causing it to expand allowing it to be fitted over a smaller tube which it will apply an inward pressure on when it cools) to oppose the pressure from inside the barrel. Could this...

Hey guys, I have been trying to design a constant current source that has a digitally controllable (μcontroller) range of maximum current outputs. Ideally the source would be able to be adjusted from .25mA to 2mA. The input voltage for the source would be in the range of 9 to 14 volts. Also I...

I have two exam question (embedded computing system) Q1. write short on embedded computing system design process Q2. write short note on specification I am confused how to write answer for this questions for Q1 Embedded system made with both hardware and software I know about hardware...

when designer design new circuit, they think what's the requirement step I 1)power dissipation should be less 2)raise time and fall time should be less 3)propagation delay time should be less 4)size should be small as possible step II 1) how can we reduce power dissipation in cmos...

Is it possible for a Type 0 Open Loop Transfer function to have 0 steady state error? Context - Control System Gain design to meet a certain steady state error specification. The open loop T.F - G(s)=3/(s^2 +4s+3) (This is type 0 (n=0)) The closed loop T.F is Gc(s)=G(s)/(1+KG(s)), But my problem...

Advice request -- design a toy steam engine and do a pull event Hello, Please do forgive me if this is inappropriate use of this sight, I'm looking for general advice, any suggestions as to where I could get information and thoughts on the subject are welcome. I've taken a challenge to...

Homework Statement Design a controller for the system G(S) such, that the step response to close loop transfer function has an overshoot of 0% and a settling time of less than 1 sec. Homework Equations G(s) = \frac{1}{10s^2 + 5s + 10} Controller has to be a PID controller. The Attempt...

I currently live in Mongolia, and during the winter months (6 months of the year) we heat our "Gers" see below picture, using coal. These are burned in stoves, and then the smoke is funnelled through a 11cm tube (chimney) through the roof. However this is very smoky and nasty, and bad for...

Physics homework problem -- design a capacitor Homework Statement An engineer needs to design a capacitor with a capacitance of 1*10-6F using a material with a dielectric constant 260. If the dielectric strength of the material is 8*106 N/C, and the maximum voltage that the capacitor is...

"A diode laser has a divergence of 5mrad in the p-direction and 1 mrad in the s-direction. Design an optical system in front of the laser which will make the output circular, and calculate the resulting divergence." Attempt; I am taking the course optic and waves, and the instructor did some...

I have made a 3 stage voltage multiplier. My input is from the outlet so 120 V ac. I measure my output from the first and last capacitors of the bottom row as shown in the image. The output I am getting is 120 V dc. From the equation Vout(dc) = Vin(ac)*sqrt(2)*number of stages. With this...

So I am the leader of a small group who has to build a bridge in 30 minutes on the last day of school. The only materials we can use are play-dough, straws, and rubber bands and it has to stretch 30 cm between two tables. Though I was looking for some ideas of a bridge design to use. Should I go...

Homework Statement Below is a {MATLAB}code for Bragg mirror. How can I implement the code to create an FP resonator? Homework Equations The Attempt at a Solution %User input parameters num_layers = input('The Number of Layers in the structure = '); r_index1 = input('refractive...

Hi! I wish to know how to design a Tokamak of my own. This Tokamak will of course be very tiny but my intention is to ignite ordinary air and control the plasma's poloidal diameter by poloidal coils placed along the torous. I wish to do two things with my Tokamak: 1) Ignite ordinary air of...

I am designing a constant pitch, helical conical compression spring (round wire cross section) that will be compressed into a final desired shape. So my issue at hand is figuring out the pre-compressed geometry that will give me my desired final geometry once compressed. The compression will...

I am trying to design a breakaway Bolt, is there an equation to calculate how much torque is required to break the head of the bolt. Typically this bolt has two heads, one that breaks off and the permanent one. These are connected with a small neck that breaks at a given torque. That's what I...

Homework Statement Hello, I need to create a digital counter that follows this sequence: 00, 10, 01, 11, 01, 00, 11, 10 A , C, B, D, B, A, D, C Homework Equations N/A The Attempt at a Solution There are four states (A = 00, B = 01, C = 10, D = 11) so I believe I need two...

The outcome is: design a single stage amplifier with the following parameters: Rin=1KOhms Rout=1KOhms Voltage Gain=15 corner frequency=300Hz specified Transistor is BC109BP AC supply, 0.5V DC supply 20V supply frequency, not specified, I have assumed 1K We have not been given...

Recently, Facebook suggested solar powered drones could be used to provide internet coverage in remote areas and they would basically act as low altitude 'geostationary' satellites. The current duration record for a solar drone is 2 weeks using energy stored in batteries during the day, to keep...

Hi, I recently designed a PCB in EAGLE, and I got it manufactured and I had all the pieces Sufrace Mounted on it, put it in the oven, everything seems fine and dandy, but I already killed 3 LEDs because of some weird thing going on. I have 5 different LEDs conneced to my circuit, the leds run...

Laser Interferometer--Need advice/opinions about design. Hey Everyone, I'm in the midst of designing a laser interferometry system to measure flatness and to level a stainless steel plate. It's a really simple design and I'm wondering what the drawbacks are for this type of system. I'm just...

Can someone explain this sentence in MOSFET design.. The Since the drain will be at a positive voltage relative to the source the two pn junctions can be effectively cut off simply connecting the substrate terminal to source terminal.

done editing Homework Statement I'm given the following transfer function that represents a physical apparatus G(s) = \frac{X(s)}{F(s)} = \frac{3.333*10^{4}}{s^{2}} I'm asked to design a lead compensator to achieve closed-loop stability. The requirements are that it must have a transient...

I decided to make a library for some common data structures and I'm facing some design problems. I wanted to implement linked list using classes in c++. Here is the sample class:- class Linked_List { private: int key; Linked_List* next; public: Linked_List(int key)...

Here is the real life problem I am facing: Gas reciprocating engine is situated in an engine room. The engine is primarily cooled by jacket water flowing to remote radiator. The engine surface must also be cooled by forced convection to maintain max air inlet temp of 40C. Ambient can reach as...

Are there any software programs for purchase that allow control system modeling and design for individual use under $1000

hey i am engineering student i am interested in designing a ic engine. I want to know necessaries and parameters for designing a engine hey please provide some reference for it thank you:smile:

Homework Statement Design a circuit containing a single op amp that can perform the following operation: Vo = 3*10^4(i2-i1), where i2 and i1 are input current sources Homework Equations The Attempt at a Solution Where I'm at right now, I am just using the equation for a difference...

Homework Statement Design an op-amp circuit that can perform the operation:Vo = 12VS1+3VS2, while simultaneously presenting an input resistance of 50 kΩ on the input side for source VS1 and an input resistance of 25 kΩ on the input side for source VS2. Homework Equations The Attempt...

Hello! I recently applied for a "Combustor Aero Design" position at GE aviation and I am very optimistic that I will at least get called in for in interview. The position wants someone with 3 years of experience in an engineering position. I only have 2, but I still think I have an advantage...

I'm trying my first design and want to make it successful before I actually make the product. I want to calculate what the stresses are and where they are likely to be. F is a varied load from -10 to 10 kN To find the critical points, should I check the points that i labeled A, B , C ...

Hi everyone, I have been designing wideband transformers for a while. My biggest problem is the time it takes. So, I am looking for good software for coil design. I need something that can calculate from inputs the inductance, total number of turns, number of turns per layer, resistance...

Hi guys, I'm a new member of this forum. As a chemist, I don't have much knowledge of electrical engineering, and that's the reason why I'm here. Hope you guys can help me out. I'm going to go straight to the point. I need to build a capacitor connected to an AC generator with an AC frequency...

Hi all, I just started learning engineering mechanics this semester,so what I'm about ask may be a basic question in the subject.I came across a bracket that is used in a industrial equipment (i have attached a sketch as image).The bracket is used to mount a hydraulic cylinder.The cylinder has...