Steady Definition and 231 Threads

Homework Statement Hello, I've just done a paper on basic electronics and I'm stuck on the last question. I don't know how to go about doing the question. Homework Equations N/A The Attempt at a Solution I don't know how to even start with the question. I've tried googling...

If this should be in the cosmological section, then i don't mind to see it moved, but since it appears to be an abandoned theory, I'm posting this in the classic physics section. I was talking to a religious person, and he was claiming that the big bang theory was... wrong, that it had been...

Why is the Big Bang theory being largely accepted and why are the steady state and quasi steady state not being accepted? Sriram

Homework Statement Question: 18. Show that every 2 x 2 stochastic matrix has at least one steady-state vector. Any such matrix can be written as P = |1-a b | | a 1-b | where a and b are constants between 0 and 1. (There are two linearly independent steady-state...

Can someone tell me what Steady State (Operating) Torque is and how to calculate it? I'm guessing that it is the troque at operating speed. Any help would be appreciated. Thanks,

Homework Statement The one dimensional steady-state heat conduction equation in a medium with constant conductivity (k) with a constant volumetric heat generation in three different coordinate systems (fuel rods in a nuclear power plant) is given as: \frac{d^2 T}{dx^2}=-\frac{\dot{q}}{k}...

Homework Statement Water flows into a nozzle at 3.00 m/s at a pressure of 1.31*105Pa. What should the ratio of input to output diameter be if the flow is to remain steady? What is the flow speed at the exit? Homework Equations P_{{\rm{input}}} + \frac{{\rho v_{{\rm{input}}}^2 }}{2}...

Hi all! I am asking about a question about Fourier transform. I can only roughly remember things about Fourier transform. I am told that Fourier transform gives the steady state solution, is it? I can hardly relate these two concepts. Can someone try to explain? Many thanks.

air enters an adaibatic nozzle steadily at 300 kPa, 200 degree celcius and 30m/s and leaves at 100 kPa and 180 m/s. find the exit temperature? when m using energy balance equation: h1 + [ (v1)^2 / 2 ] = h2 + [(v2)^2 / 2 ] i get the answer 184 degree celcius. but when i use the other...

I have to solve a problem regarding "2D steady state heat conduction problem with an internal heat generation source". For boundary value, dirichlet is applied at 3 sides and neumann is at one side. I can solve this problem when no internal heat source exists and only dirichlet is applied...

Recently the expansion of the Universe has been found to accelerate. When studying Hoyle, Gold and Bondi's Steady State Cosmology, it clearly predicts an acceleration like this. I realize that this theory has been 'put to bed', and abolished, and all the other colorful language people like to...

Homework Statement Prove that for any initial state vector S0= [r0 p0 w0] as long as you begin with legitamite proportions (so that r0+p0+w0=1), after a long run you get the same result as Sk= [1/4 1/2 1/4] Homework Equations Sk= b1(Lambda1)^k [X1] +...

Hi I was reading BC Kuo's Automatic Control Systems where I came across a solved problem (page 369 of 7th edition) regarding velocity control. I have a problem understanding how the steady state error has been computed. The original problem and its solution as given in the book are quoted...

Does anybody know how to prove this equation t1/t2 = (p1/p2)^(n-1/n) thanks

I went for a run and measured time and distance. I wanted to estimate how many calories I used. Suppose a ran a distance x in an amount of t time. if my mass is m, then my stead state average energy would be E=\frac{1}{2}m\frac{\Delta{x}^2}{\Delta{t}^2} But what is the rate at which...

[SOLVED] Steady state solution I was wondering if I did this question correctly, solving for y(t) and putting t = infinity to get a steady state solution. Or is this wrong or is there an alternative way that is much quicker (as solving for y(t) would take a page of working, where the working...

Homework Statement Obtain the temperature distribution T(x,y) of the triangular cross section, assuming constant thermal conductivity, k. The triangle is a right-isosceles triangle with the right angle at (0,0). The triangle goes "up" to a, and to the right to a, then diagonally across...

Homework Statement What is the steady state solution to the equation 4y''+4y'+17y=202cos3t (*) ? 2. The attempt at a solution The steady state solution is, if I've got it right, only the particular solution. It's got to be on the form Kcos3x+Msin3x. I calculate the...

Dear all i've thinking, how can a circuit have a steady current? the reason for this seemingly naiive question is: if I is contant it means the velocity at which the charges move is constant. But if the velocity is contant that means their KE is constant. So in a circuit with a resister...

In the steady state heat conduction through a solid rod the theoretical derivation tells that heat in-heat out-heat accumulated =0. What is a practical steady state heat conduction problem? what is transient heat conduction

I'm wondering if anyone can just run through how this is done. I have the solution so that's now the problem. I just need someone to provide me with the method of finding the steady solution (I can find the transient no problem). A slender homogeneous conducting bar of uniform cross section...

Hi, first post so here goes: I'm having a little trouble with a question on my tutorial, and I am not sure what to do. Here it is: Steam under steady flow conditions has the following states: Initial Conditions: Pressure - 47 Bar Spec Volume - 0.09957 m^3 / kg Internal energy - 3420...

When a refrigerator has been turned on for some time, steady state refrigeration occurs. This is the normal refrigerator operative state. But what exactly happens? These things are really hard to do research on, since Internet searches, regardless of search query detailing, result in a lot...

I have some first order differential equations. I have found the steady state response for each equation. However, now I need to estimate how long it will take to reach steady state. Can anyone tell me the formula for that or get me started on how i go about doing this. I'm not finding...

Hello everyone, confused. the directions to this problem are the following: Find the steay-steat vector, and assuming the chain starts at 1, find the probablity that it is in state 2, after 3 transitions. well i got the problem and i got the S0 to S3, because it said after 3 transitions, is...

I have a problem that goes as followed: http://www.webassign.net/pse/p32-19.gif Consider the circuit in Figure P32.17, taking = 6 V, L = 4.00 mH, and R = 6.00 (a) What is the inductive time constant of the circuit? I found this to be .6667 ms (b) Calculate the current in the circuit 250...

Can someone help me out with the following question? Q. The position x(t) at time t of a mass attached to a spring hanging from a moving support satisifies the differential equation: \frac{{d^2 x}}{{dt^2 }} + 2p\frac{{dx}}{{dt}} + \omega _0 ^2 x = 2\sin \left( t \right) a) Find the...

In my data management class we are studying matricies, we have broken the whole unit up into sections and then in small groups we have to teach the rest of the class a section or the matrix unit. Well, our section is markov chains. I understand it myself but I don't know if I'll be able to...

I need to find the initial conditions such than an underdamped harmonic oscillator will immediately begin steady-state motion under the time dependent force F = m f cosωt. For the underdamped case: x(t) = ae^{-\gamma t}cos(\Omega t+\alpha)+\frac{f}{r}cos(\omega t-\theta) and if it matter...

My hands are very shaky all the time. What can I do to make my hands more steady?

Can anyone explain the difference between a system at equilibrium and a system at steady-state water flow? I know that equilibrium occurs at equal rates, no net change is produced. But I don't understand steady state system...Please explain it to me... Thanks also the difference between...