A tobacco pipe, often called simply a pipe, is a device specifically made to smoke tobacco. It comprises a chamber (the bowl) for the tobacco from which a thin hollow stem (shank) emerges, ending in a mouthpiece. Pipes can range from very simple machine-made briar models to highly prized hand-made artisanal implements made by renowned pipemakers, which are often very expensive collector's items. Pipe smoking is the oldest known traditional form of tobacco smoking.
I am trying to figure out the flow rate (gallons per minute) and PSI of the water just as it exits the top of the pipe. Is it possible to figure out these out given the information in the diagram?
Homework Statement
I am connecting a 4" diameter PVC pipe to an existing distribution system. there will be a single check valve (K=2), eight 90 elbows (K=.9) and ten gate valves (K=0.2). I am trying to find the flow rate at the end of a 1500' run and what pressure I would see if I were tie...
hello! My first post here.
I am by no means a mechanical engineer as I studied computer science in college. My question has to do with adding what is known as a cold air intake onto my vehicle.
The design of the intake is such that the pipe fits at the throttle body via a silicone/rubber...
I have a small assignment at work that I can't seem to figure out. To not bore you with the details, I have developed a simple scenario.
Say you have water in a tower that is 100ft tall that is flowing through a vertical pipe to the ground. If this pipe is instantaneously closed at the top...
Hey,
I was having this very silly problem in heat transfer. Please could you see what's going wrong !
I am working on defrost water tray modelling. In that, the water collected during defrost is heated by the compressor o/p coil so as to aid evaporation. I was trying to find out the heat...
Hi, I've recently watched prof. Lewin's (brilliant man) lectures on Gauss' law, and I have some questions regarding this and a result from Gauss' law, the Faraday cage effect. It was shown that if one have a charge in the center of a conducting sphere, there will be a electric field outside the...
There are (5) 3/8" diameter pipes supplying water at 3500 psi and 4.5 GPM each from 5 separate pumps. These (5) lines connect to a main 1.5" diameter pipe. What is the water pressure in the main pipe?
Homework Statement
A pipe tapers from a diameter of 0.5 m at the inlet to a diameter of 0.25 m at the outlet, and turns by an angle of 45 degrees. The gauge pressure at the inlet and the outlet are 40000 N/m2 and 23000 N/m2, respectively. The pipe carries oil, with a density of 850 kg/m3, at a...
Homework Statement
Water flows down a pipe which tapers from 200 mm diameter to 125 mm diameter at the lower end. The difference in height between the two ends of the pipe is 4.0 m and the rate of flow is 1.50 m3 min-1. Calculate the pressure difference between the upper and lower ends of...
I'm looking for a way to detect water flow through a pipe. For example, I want to detect when a toilet flushes or leaks. I'm looking for a way to detect this that doesn't require anything submerged in the tank or inserted into the water line. I really just want to know that water is flowing...
Any tips for solving this would be greatly appreciated. Thank you all for your time and help
The schematic of the problem is in the attached PDF
PROBLEM INFORMATION
I’m trying to determine the equations to solve for the conditions at 1, 2, and 3 when they are at a given length in their...
Homework Statement
In a water treatment plant, a 30cm pipe carries raw water at a rate of 6m3/min. The pressure at a given point is 3.5 bar. If that point is 10m above the datum line, calculate the total head at that point in a) m of water b) m of HgHomework Equations
Z + \frac{P}{\rho...
Outer dia=25mm,Inner Dia=24mm,Length=84,Normal innlet pressure=6 bar,Normal inlet temp=150°C,Max innlet pressure=11.5 bar,Max innlet temp=230°C ,Mass flow rate=4 kg/min,
what is the Outlet pressure&Temp?.Which formula I have to Use.Pls Help me
Homework Statement
A motor of power P is used to deliver water at a certain rate through a given horizontal pipe. To increase the rate of flow of water through the same pipe n times, the power of the motor is increased to P1. The ratio of P1 to P is?
The Attempt at a Solution
Let the...
Homework Statement
Consider a water pipe that tapers down from a diameter dA= 5.0 cm at
end A to a diameter dB = 2.5 cm at end B. At each end a vertical pipe that is open to the air at the
top is attached to the pipe as shown in the Figure. (Not to scale, the pipes are much taller than
shown.)...
Air flow in shop is through 1/4" hose. pneumatic motor has 1/2" inlet plus the tubeing to and from valve is also all 1/2" tube. what would be a general equation to model the pressure loss or increase to the motor.
Shop air:
80psi 60cfm
A roof drain leads to a pipe that lies horizontaly in the roof's insulation layer which in turn lies on top of a 26cm concrete slab. On top is the waterproof membrane. The area underneath the roof is room temperature. The question is this; is it necessary to insulate the pipe itself to prevent...
Homework Statement
Through a pipe made of aluminum, length of 1m which outer radius is r1=3,5 cm and inner radius is r2=3 cm flows a fluid with temperature of t1= 30 °C. How much heat does get lost through the walls of the pipe, in \tau=3h if the temperature around the pipe is 20 °C. Heat...
Homework Statement
I have a pipe with a capacity of 1.5 liters. Half of the pipe is filled with water and the other half air. The pressure in the pipe will be pumped to a certain value then the valve will be released. I want to determine the speed of the water as it leaves the pipe...
The figure shows a pipe cutter clamped on a pipe. 3 Forces are acting on the pipe. These forces must be identified. These forces have different directions. The pipe is estimated to be in an equlibrium state of force , so it does not break the pipe, instead it holds the pipe tightly.
I will...
Hey guys, i want to ask about what the effect of inserting obstacle to the velocity profile of a pipe? I mean when i insert a cube obstacle inside a pipe, how the velocity profile look like? let's say the velocity profile is in laminar flow. Thanks
Homework Statement
Given two statements:
Statement 1: Narrower the open organ
pipe, higher will be the
pitch.
Statement 2: The frequency of open
organ pipe depends on its
radius.
(1) Both statements statement 1 and
statement 2 are true and statement 2
is reason for statement 1...
This is not a homework problem but I'm going to try and present it like one.
1. Water is flowing through a horizontal, open-ended pipe, of constant diameter. A pump is mounted upstream and the water flows through the pipe. The pump supplies a gauge pressure of 20 psi and the flow rate is 8...
Homework Statement
You have a stopped pipe of adjustable length close to a taut 85.0-cm, 7.25-g wire under a tension of 4150*N. You want to adjust the length of the pipe so that, when it produces sound at its fundamental frequency, this sound causes the wire to vibrate in its second overtone...
Dear Experts,
I was looking at Venturi effect and a question popped into my mind.
When I use a water hose and turn on the tap, the water rushes out of the hose. If there is a break along the hose, eg. a small puncture, some water would also leak through this hole am i right? At least this...
I have a problem which I am working on and its been a while since I did this at uni so I am after a little guidance :)
Im trying to work out what pressure will be required to flow at a specific rate through a piece of pipe, the pipe begins with an ID of approximately 1-1/2" then drops to...
I am currently doing my final year project and have a few queries. I would be really grateful if someone could answer the following questions for me as soon as possible.
• The requirement is to drop the pressure from 140-150 bars at the inlet of a pipe to 2 bars at the outlet of the pipe.
•...
1. Where did i go wrong, please explain.
Homework Statement
The Horizontal Venturi pipe has a cross sectional area of 50cm^2 at the wider portions(A_1) and 25cm^2 at the constriction(A_2). Air density of 1.29 kg/(m^3) is flowing in the pipe.
Theres a attachment of a picture to reference...
I have a pipe with a constant mass flow rate dm/dt of air being blown gently through which opens out into the atmosphere at both ends. At the middle point of this pipe it is heated at a constant rate dQ/dt. Assuming that the air is heated rapidly and all the heat is transferred to the gas is it...
Homework Statement
A pipe has area 4 cm2 and is connected to sprayer that has 4 holes each of 0.5 cm2. If the speed of water in pipe 2.5 m/s, the volume of water that comes out from each of the holes in 1 minute is ... liters
a. 0.1
b. 0.6
c. 1
d. 6
e. 10Homework Equations
A1v1=A2v2
Q = V/t =...
Flow Rate through a pipe!
Oil flows along a horizontal pipe which varies uniformly in section from 100 mm diameter at A to 150 mm diameter at B. At A the gauge pressure is 126kN/m2 and at B 140 kN/m2. Find the flow rate in litres per second and kilograms per second. The density of water is...
"Capping" fluid flow from pipe
If there is a 4.1cm diameter pipe located ~10m underwater, with water (negligible volume and mass flow rates - the water is only really trickling out) flowing out of it at 2 bar (so 1 bar difference in water and ambient pressure), does anyone have any rough ideas...
I can't seem to find an equation that fits the situation I am facing. Either that, or I just don't believe the answer the current equations are providing.
I am trying to develop the size for an air compressor to fill up a train braking sytem. I have equations for most of the system, but I...
Hi to everyone,
I have a problem with sizing pipe threaded elements. I am looking for guide rules that with a simple external meassurement I'll be able to determine the element size such as safety valves,threaded pipes,pressure gages,caps etc.
To clarify my question, hereby an example, when...
Hey guys i have a question for my lab report that i can't solve. We did a lab where we had a pipe and produced sound resonance in there, using a generator to vary the frequencies and we recorded our data.
the general formula is for the closed pipe, fn= n (v/4L) and wavelenght= 4L/n.
The...
Hello, I am working on a project and I came across a question that is a little beyond my skill set.
I am designing a support for a roof, and I have the force into the post, the length of the post and I need to determine what pipe I need, size, schedule diamter, etc.
How do I go about this...
Homework Statement
A particular organ pipe can resonate at 264 Hz, 440 Hz, and 616 Hz, but not at any other frequencies in between. (a) Show why this is an open or closed pipe. (b) What is the fundamental frequency of this pipe?
Homework Equations
Open pipe: f_1 = f_n+1 - f_n
Closed...
I have 6" Carbon steel pipe
Question. I am working on a project. I have 6" Carbon steel pipe which I am going to use 10" High Density Polyethylene Pipe(HDPE) to sleeve and protect 6" pipe from corrosion. This pipe will be buried. I am trying to use electrofusion coupling to connect HDPE. The...
Homework Statement
For this problem use: ρwater = 1000 kg/m3
A cylindrical water-storage tank has a height of 7.9 m and a radius of 6.2 m. The storage tank is full of water but is vented to the atmosphere. The bottom of the tank is 35 m off the ground. A 12 cm diameter pipe runs...
Hello,
I design high powered rockets in our Tripoli rocket club. A particular plastic type of tube used is the Quantum 3.9 in dia plastic (sewer pipe) it is a thin wall design. http://www.publicmissiles.com/ They state that this basic tube is good for just .86 mach for compression loads...
Hi
I am curious to know if anyone can provide a formula/answer to the affect of a thin layer of ice may have on heat loss in water flowing in a pipe.
Example.
I have a smooth plastic pipe approx 20mm diameter, 5m length. 400ml of water travels down the pipe, approximately 0.5m/s. in -10C...
I have an assignment and don't even know where to start so that's y am asking the experts on here to give me an idea how to go about this:
In a company factory, a steam line has been identified as loosing too much heat. The steam line has a diameter of 254mm ( it may be considered to be thin...
hello,
i want to fix a bearing inside a pipe but not "permanently" so i can remove it and change it whenever i need.
please if anyone has a method for fixing it, share it with me ?
Homework Statement
A pipe of radius R is maintained at temperature T. It is covered in insulation and the insulated pipe has radius r. Assume all surfaces lose heat through Newton's law of cooling
\vec{J} = \vec{h} \Delta T, where the magnitude h is assumed to be constant.
Show that...
Hey everyone,
I've got a problem here and I'm looking for a simple solution.
Basically, I need to keep a consistent hydraulic head between two points of a vertical drainage pipe. I have a sump pump and two electronic float valves (that I purchased separately). What I want to do is wire the...
I was walking through my garage and bumped into a pvc pipe. The pipe fell over and I was wonder how I could calculate the force needed to push the pipe over. The pipe is 40 in. tall and has a 4 in. radius. The force would be applied perpendicular to the pipe and at the very top of it. any help...
Homework Statement
A very tall pipe is partially filled as shown. (A vertical pipe is filled with water about halfway, and .85m of air is in the pipe to the open end. The bottom is closed).
|**| ^
|**| |
|**| .85m
|__| _|_
|__|
|__|
|__|
|__|
|__|
^^ My attempt at a drawing, where...
I understand that the volume of a pipe is the circle pi x r (sq) x height
I have worked out the volume of water inside a pipe running from the shower to the boiler (cold water that will run through the tap before the hot water arrives) and it does not make sense. The pipe is 22 mm; the...
Hey,
I was wondering what were would happen to the fluid flow or if this would cause any structural problems to the following case.
A vertical pipe of 150mm diameter and roughly 3 metres in length is at the bottom of a large tank. At the bottom of the pipe is a coupling which leads to...