Pipe Definition and 1000 Threads

A closed organ pipe has a length of 2.40 m. a.) What is the frequency of the note played by the pipe? Use 343 m/s as the speed of sound. b.) When a second pipe is played at the same time, a 1.40 Hz beat note is heard. By how much is the second pipe too long? The a.) problem's solution is...

Hi Guys, this is my first post and I'd love a bit of help here, appreciated this may seem basic but it's been a few years since I did this last. I have water in a stainless steel pipe (ID = 0.0381m, OD = 0.0411m) network of roughly 10m length, at 120 bar, roughly 50°C (+ or - 5). This water...

Hi I got a physics question and would like you to help me abit urgent. I have a device that has to climb a pipe of 105mm in diameter. I have the basic concept of my device I just need to know a few things, the device has 4 wheels acting on the inside wall of the pipe it has to climb up 2.5...

Homework Statement What are the fundamental and first overtone (second partial) of an open (at both ends) organ pipe 16 ft long? Homework Equations V=fλ The Attempt at a Solution V=fλ 343=f8 42.9 hz= f I'm just not sure how to find partials :/ All help is appreciated

Homework Statement A force of 56 pounds acts on the pipe wrench shown. find the magnitude of the moment about O by evaluating || OA x F || Homework Equations || OA x F || The Attempt at a Solution First I tried to find my vector component for Force which I got -56 [ cos(30)i +...

Is there a mathematical relation for the temperature change when a fluid flows through a pipe from one end to another? I am not aware of any equation in thermodynamics for this, but I would guess the following parameters are important : 1. cross-sectional diameter of pipe 2. viscosity 3...

I have the pipe size, flow rate, and a duration. How can I figure out the amount of fluid that was released from the pipe?

Homework Statement A 90 degree reducing bend has an inlet diameter of 4 in. and an outlet diameter of 2 in. If water enters the bend at a pressure of 40 psig and a flow of 500 gpm, calculate the force (net magnitude and direction) exerted on the supports that hold the bend in lace. The loss...

Homework Statement A water injection line is made from smooth capillary tubing with inside diameter D = 25.0 mm . If the length of the pipe is 0.75 m and assuming laminar flow is present up to Re = 2000, find (i) the maximum average velocity at which the flow is laminar (ii) the pressure...

Homework Statement I just completed a lab in class where we heated a copper pipe and measured the temperatures at 25 different locations. Each of these locations is called a node. The goal is to find the convection losses by using the First Law (qc1 + qc2 + qc3 + qc4 + qrad + qconv = dECV/dt)...

Homework Statement An open organ pipe has a fundamental frequency - corresponding to the first resonant length -of 262 Hz. The room temperature is 20.0°C. What is the length of the pipe. [The answer is 0.66m] Given: 262 Hz and 20°C Homework Equations v = 332 + 0.59t v = f λ...

I have a flow through a pipe that changes in diameter to become narrower. I can measure the pressure P1 at the wider end where it is applied and I want to calculate the pressure P2 at the narrow end. I can't directly apply Bernoulli's equation here because I have no way of measuring the flow...

I'm converting my turbo system from a single turbo to a sequential twin turbo system. Where the two turbos intercooler pipes join, the flow from the first turbo to spool can easily reverse back through the second turbo to spool, unless you have a one way valve like a swing check valve to stop...

Building a large sign. I've attached a drawing of what I'm doing. I need to make sure that 8-5/8 pipe is sufficient for sign. I live in Oklahoma and we get some nasty winds as well. Please help. Any suggestions greatly appreciated.

Homework Statement First let me say I'm new to lab reports at Uni, and I'm dreadful at them... I'm having issues with how many sig figs to correctly display on a data table for an experiment I've done to investigate the Reynolds number. One particular step is to find Δp at different stages on...

A steel pipe is being carried down a hallway $9\text{ ft}$ wide. At the end of the hall is a right angled turn into a narrower hallway $6\text { ft}$ wide. What is the length of the longest pipe that can be carried horizontally around the corner assume that $\displaystyle...

Reference attached image. In this simple system, I have a large reservoir of water that feeds a small section of 4" dia. pipe. There is about 1 ft of length until there is a gate valve to isolate the flow. When not flowing water, this 1-ft x 4-in section is at risk of freezing when...

Hi everyone, In the attached diagram there are two hydraulic systems. The cylinder areas for each system are the same. The only thing that is different between the two systems is the pipe joining them, system B having a much smaller ID. Pascals law states that these two systems would act...

Hi Guys, I am not an engineer and was hoping someone could help me with a question I had about piping in cold weather. I am setting up a temporary 4" Bauer water pipe that I need to keep from freezing. It will be outside (non insulated) in February in Ohio. I am expecting temperature...

Homework Statement What is the appropriate flange rating for a 316 stainless steel pipe carrying saturated steam at a temperature of 180°C Homework Equations I'm not quite sure to be honest. The Attempt at a Solution Could somebody give me the general approach to determining the...

Homework Statement Calculate the mean velocity (um) for turbulent velocity distribution in a pipe. Homework Equations um = Q/A u = umax(y/R)1/7 (Gives velocity at a specified point in cross section of the pipe. R = pipe diameter. y = distance from boundary layer. umax = distance at...

Homework Statement For the pipe reducer shown in Figure 6.27 in your textbook, the pressure at point A is 45.8 psig and the pressure at B is 39.5 psig. Calculate the velocity of flow, in ft/s, of the water at point B. State your answer to one decimal place. Example: 25.6 Homework...

I am calculating the initial velocity of a released pvc pipe after it has been bent. I would like to know if i have this correct. Potential energy = Kmgh; I have my mg and it is 50N, so PE = k*50*h; I have been told that k is the spring constant of my bent pvc pipe. Therefore since I have...

Homework Statement A hoop of mass ##m## and radius ##a## rolls without slipping inside a pipe of radius ##R## (the motion is 2D). Write down the kinetic and potential energy. Hence find the frequency of small oscillations about equilibrium. Homework Equations Moment of inertia of a hoop...

Homework Statement You are given an open-ended mercury manometer and asked to determine the pressure in a pipeline that supplies feed gas to a reactor. However, when you connect the manometer to the pipeline, you notice that the calibration markings in the leg that connects to the...

I have recently purchased a box of Hagoromo Fulltouch chalk, the so called "dream chalk". It has only been available for purchase in the US since spring 2012, but its merits have been known for longer. So heads up, heavy chalk users :) I'm posting because I am looking for a picture I thought I...

Homework Statement The figure below shows a long, hollow copper pipe. The inner radius of the pipe is a and the outer radius is b. A uniform current I flows in the walls of the pipe. You may assume that the permeability of copper is the same as free space, that is, ##\mu_0##. Use the...

Hello All, I am in the process of creating a 33' tall chaotic pendulum, and cannot find any calculations for the buckling strength of pipe. The pendulum swings from side to side, but is stopped as it goes too far one way or another by a limiting cable attached to a sleeve over the pendulum...

I was thinking of this problem recently and thought it'd be best if I got an answer from a physicist (or anyone else who'd know how to solve this). Imagine a thin rubber pipe about a meter long. Holding each end of the pipe with both hands (respectively), you bend the ends inwards to form a...

For a pipe with both ends closed, with sound being produced from one end, sound is reflected off of the other end and is able to produce a standing wave, however, for pipes with both ends open or one end open, how can the air inside this pipe resonate? or is it not really there air inside that...

Homework Statement On a horizontal pipe with flowing water on point 1 there is a vertical pipe with water up to some point. On another point 2, we have a pitot tube (L shaped) against the water flow and the lever on the vertical part is higher that on point 1. If the water flow stops what...

Homework Statement I have a tutorial question I have been struggling with. The problem is: The flow through a closed, circular sectioned pipe may be metered by measuring the speed of rotation of a propeller having its axis along the pipe central line. Derive a relation between the volume...

1. Homework Statement a) Calculate the theoretical diameter of pipe, nominal pipe diameter and mean velocity of nominal pipe diameter. Maximum velocity = 1.8m/s Q(vol. flow rate) = 0.01M^3-1 b) Find the Reynolds number for the process and then the head loss due to friction, state any...

(A question from The Berkeley Review MCAT prep book. The book gives the answer in the form of the equation below. I'm still having trouble figuring out how an example of this would look in real life. If someone would provide a hypothetical narrative where the following could take place, that...

I need help comparing the deflection of pipe with two different cases. Case 1 is a regular non-tapering pipe. The case 2 is a tapered pipe that should deflect less than the straight pipe. I am working in MathCad and can change the value of my variables, so I have set the two cases to be equal...

I am currently in the process of designing a section of pipe in which a fluid will flow within, and would like to determine the specific heat transfer which may occur once the fluid enters the pipe, until it exits. The fluid will be flowing at a constant velocity "V" at a Temperature "T1" at...

Did an experiment in a school's heat system. Turned off the unit ventilator valves all at once. The pipe pressure raised significantly causing the circulation pumps to back off. Some notes, this is a reverse return loop, hot water flowing (not steam), unit ventilators are 2-pipe. Question...

Homework Statement A scientist attempts to model the flow of blood through an artery using a hollow pipe of diameter 1.8cm. A fluid density 1060kg/m^3 is used to simulate blood in the pipe. Viscous effects can be considered to be negligible. TO study a blockage in an artery, the...

Hi all I'm trying to teach myself a bit of bernoulli's principle but i am struggling. I'm pretty sure I need to use a combination of bernies equation and continuity equation but I get lost when trying to rearrange to find velocity. Water moves through a constricted pipe in steady, ideal...

Problem Description: Internally pressurised pipe elbow with open ends. I have to compare the Finite Element Von Mises stress with that calculated by hand. I am having issues calculating this. The formulae that I am using are: Hoop Stress: σ_1 = \frac{P*d}{2*h} Where: P is pressure...

I'm new here but after a recent break of a brand new piece of glass, I want to design a new one and get it custom made. I have two things that I want for this design: I want the glass to be strong enough that just tipping it over won't break any part of it and I want a light slow suck at the top...

Homework Statement Water flows at a speed of 0.75 m / s through a U-shaped tube whose cross-section is circular with a radius of 10 mm. How large is the force F to be to compensate for water power on the tube? Homework Equations I am not sure. Perhaps; Pressure=Force/Area...

I'm trying to measure and regulate gauge pressure in a pipe that has water flowing through it, but I need the pressure to be about .75psi (1.8 ft H2O). Most dial gauge ranges are too high and not accurate enough. Pressure transducers I've had no luck with as far as finding one that's inexpensive...

When one causes the air column in a closed pipe to vibrate in its well-known modes (harmonics) or a plucked string to vibrate similarly, how is the exciting energy distributed amongst the modes?

I know this is a complicated question, and depends on a lot of factors. So, I will do my best in explaining the situations. I am trying to regulate the temperature of a pool of circulating water. I have 8' of stainless 304, 1" OD, 14 awg, pipe, positioned against the flow of water (to provide...

Homework Statement Charged particles, each holding charge q are moving in a cylinderical beam centred on the x-axis with n particles per unit volume. All the particles have the same horizontal velocity v. A) By considering a suitable Gaussian surface, calculate the E-field as a function of...

Homework Statement Homework Equations Trigonometric identities and differentiation The Attempt at a Solution It's pretty simple to solve this question when the hallway is a right angle. Differentiating -6cscθ + 9secθ and setting it equal to zero and solving will yield the proper...

Homework Statement Q4. A horizontal air duct reduces from 0.75 m2 to 0.20 m2 . a) Assuming no losses and an incompressible fluid, what pressure change will occur when 6 kg/s of air flows through the duct? Use a density of 3.2 kg/m3 for these conditions. b) Is the incompressible...

Homework Statement Two insulating materials of thermal conductivity K and 2K respectively are to be used as two layers of insulation for lagging a pipe carrying hot fluid. If the radial thickness both the layers is to be same, then - i) the first material (thermal conductivity K) should be...

I had no luck in the coursework forums though I guess the question becomes simpler if I state it the way I did here. Assuming no complex network, or just a single pipe first feeding the network, why do the speeds in the pipe and even the rest of the network pipes remain unaffected if I change...