Tank Definition and 691 Threads

  1. M

    Augustine in septic tank (Alice in Wonderland)

    Homework Statement Flopping about in pain, Augustine starts rolling across the beach at a constant 1.4m/s. This isn’t Augustine’s day as he now rolls into a hole somebody had just dug for a new septic tank. If it takes him 1.01s to hit the bottom of the hole: a)How deep is the hole? b)what...
  2. P

    Time for liquid ejecting from a hole in tank to reach ground

    Hi all, I was trying to find the time required for liquid ejecting from a hole in a tank to reach ground level. The equation given in one of the books is as follows: t = √(2h/g) or sqrt of (2h/g). where h stands for the height of hole in tank shell from the ground level. This...
  3. D

    1 litre tank water sealed does steam pressure rise linear or exponential?

    hi, if you had a litre container full of water with negligible air and nothing else and heated it at a linear rate from 50 degrees centigrade upto 200 degrees centigrade does the steam pressure rise linearly or exponentially? the measurements are plucked from the air, its the rate of steam...
  4. J

    Work required to pump water out of a conical tank

    Homework Statement Find the work required to empty a 10m high conical tank with a radius at the top of 4m by pumping the water out the top of the tank. The water level is 2m below the top of the tank. Homework Equations \pi r^2 Similar triangles The Attempt at a Solution...
  5. Y

    Controlling the flow from a draining tank

    Homework Statement Torricelli’s law says that if you drain a tank like the one in the figure shown, the rate y at which water runs out is a constant times the square root of the water’s depth x. The constant depends on the size and shape of the exit valve...
  6. B

    Related Rates in a Water Tank: Finding the Rate of Change of Water Depth

    Homework Statement A water tank has the shape of an inverted right-circular cone, with radius at the top 15 meters and depth 12 meters. Water is flowing into the tank at rate of 2 cublic meters per minute. How fast is the depth of water in the tank increasing at the instant when the depth is 8...
  7. S

    Calculating the flow rate of water from a tap and on the surface of a water tank

    I am really not sure how to go about this problem, can anybody please give me an indication on how I can start solving the problem? Homework Statement An open rectangular water tank 1.2 m x 1.2 m x 2.6 m (height) is completely filled with water. As the tap at the bottom is opened, the flow...
  8. F

    Modeling air temperature and pressure in an open system (decompressing tank)

    I am trying to determine how to accurately model an open system which includes: A tank: Volume = 1320 gallons An exit pipe from tank: Diameter = 3 inches The tank is compressed from atmospheric conditions to a final pressure of 100 psig. Then the tank is allowed to decompress by opening a...
  9. F

    How Much Gas Leaked from the Tank?

    Homework Statement A tank with a fixed volume of 0.0800 m3 is filled with an ideal gas at a pressure of 4.00 atmospheres and a temperature of 48.0° C. Due to a small leak, some of the gas leaks out. Later it is found that the pressure in the tank is 3.20 atmospheres when the temperature is...
  10. H

    Series capacitance added to parallel resonant tank changing the resonant freq?

    HI all, A parallel tank circuit at resonance has a theoretical infinite impedance. However due to the resistance of L and C some power is dissipated so a small current will flow from the source. If a parallel tank circuit is oscillated at it's resonant frequency and a capacitor (C2) is...
  11. T

    Fuel pressure change in closed fuel tank

    Hi, I am measuring pressure at the bottom of a fuel tank and temp variations are giving me a tough time. I wish to clear my head so here goes my reasoning as temp increases - Tank Volume increases causing - height of fuel to decrease, pressure at the bottom of tank to decrease - Fuel...
  12. P

    Does Pipe Size Affect Water Level Equilibrium in Tanks?

    Hi Can someone please confirm me on this one http://img822.imageshack.us/img822/9724/hydron.png 1. Is this picture correct? (The water level in the big tank and in the pipe will be the same) 2. Water level in big tank and pipe would be the same regardless of pipe size (red) Thanks
  13. T

    Engineering Why Is There a Phase Shift in an LC Tank Circuit at Resonance?

    In a lab session we were investigating the LC tank circuit of a superhet radio. The tank consisted of a ferrite coil antenna connected in parallel with a variable capacitor. A signal generator was connected to a second ferrite antenna (the drive antenna) and placed close to the first in order to...
  14. M

    Pressure on a lateral side of a tank

    Hello there,Could you explain to me how to calculate the pressure on the lateral sides of a tank? [PLAIN]http://desmond.imageshack.us/Himg42/scaled.php?server=42&filename=unleddrw.jpg&res=medium according to the textbook P=L/2(ρg) but I don't understand where this relation has come from...
  15. M

    Question: Draining Tank problem

    A cylidrical tank (R= tank radius) filled with a liquid with an opening for the insertion of pressurized gas on top and an exit hole on bottom (r=exit hole radius). Plot the Height of the liquid as a function of time and exit radius. Gas pressure=const. No swirl (1D analysis) Any...
  16. P

    Calculations of heat transfer in a tank system

    Hi guys This is my first post here. I studied physics about 15 years ago and some weeks ago I realized that I'd forgotten most of it. So these days I'm playing around with physics just for the fun of it. So, I got to the subject of heat transfer, and though I would like to learn some more...
  17. H

    Work necessary to pump gasoline from a tank

    Homework Statement Suppose a large gasoline tank has the shape of a half cylinder 8 feet in diameter and 10 feet long. If the tank is full find the work (W) necessary to pump all the gasoline to the top of ht tank. Assume gasoline wights 42 pounds per cubic foot. Homework Equations W=...
  18. T

    Easy Tank Model? Outflow of tank proportional to volume of tank.

    1. Suppose we have a tank partially fi lled with water. There is a pipe feeding water to the tank as a variable ow rate and there is also a drain pipe with a computer controlled variable valve hooked to a sensor in the tank. The valve opens exactly enough to let water drain from the tank...
  19. P

    Work pumping oil out of partially filled horizontal tank

    Homework Statement "Oil weighing 9000N/m3 is to be pumped out of the top of a horizontal cylindrical tank of radius 5m and length 15m. Set up an integral to find the work required to pump out the oil to the top of the tank if the depth of the oil is 4m." Homework Equations I used y =...
  20. D

    What is the impedance of a tank circuit at resonance?

    Homework Statement a) Determine the impedance of this circuit. b) What is the impedance when \omega = \frac{1}{\sqrt{LC}} Homework Equations The Attempt at a Solution EDIT: I got the Z wrong. It's Z = \frac{L}{C(j{\omega}L - \frac{j}{{\omega}C})} For part b, I'm...
  21. K

    How Can I DIY a Safe Pressurized Water Tank for Testing Waterproof Watches?

    Hi everyone, lately I have been wondering how I could make a pressurized tank to test how waterproof my watch is - I am not keen to pressurize air, I figure it would be safer doing it with water. Any idea how you could do this DIY style at home? The best I could come up with is a tall...
  22. R

    How Quickly Will Water Drain from a Tank with a 13mm Hole?

    Hi there, I've been looking at some of the drainage equations i have found aroundthese forums and I am struggling a lot to understand. I am 13 and good at maths, where i struggle is reading the advanced equations and figuring out what some of the posters mean. Basicly i have a tank 50 cm...
  23. Z

    Can anyone figure our how to predict the volume in a tank at any time?

    I have a tank (actually a PVC tube with an end cap) that has an interior diameter of 86 mm. It stands on its circular face. Coming out near the bottom of the tank at a right angle is a metal pipe 11 mm in diameter (interior) and 312 mm long (in total that is, note that some of the pipe is...
  24. H

    How long will a lc tank circuit oscillate after power is removed?

    If a lc resonant tank circuit is disconnected from power how do you determine the length of time it will oscillate. L=1 henry, 500 ohms C=50pf Fres=22,507 hz
  25. Z

    How to predict the volume of a tank of water at any time? (fluid motion)

    We have a cylindrical tank of known dimensions. Attached at the bottom is a pipe perpendicular to the tank of known dimensions. We fill the tank with a liquid and let it drain out through the pipe. What formula will predict the volume of the tank at any time t? I believe the Hagen–Poiseuille...
  26. H

    AC Signal Amplitude Modulation in Resonant Tank Circuit

    I recently simulated a parallel resonant tank circuit on multisim. I put an oscope across the tank circuit and I get an AC signal, but what interests me is that it is amplitude modulated. The oscillations slowly build up in amplitude, hit a peak and then die back down. I think that the...
  27. P

    Help with Tank problem- NOT TYPICAL

    Help with Tank problem-- NOT TYPICAL It's been a few years since my last experience with differential equations so this is giving me some issues... Any and all help is appreciated. Problem: A 65 gallon tank has 20 pounds (or ~1 gallon) of sand in it with 35 gallons of water (completely...
  28. B

    I want a level sensor for a tank

    hey guys,i want a level sensor for a tank, a big industrial one, contains pulp for paper industry, i don't want a continuous data stream, just if it's under a certain level, turns on a pump, and if its over another certain level, turns it off, tell me the type of sensor, and the best...
  29. M

    Bernoulli's Principle and water tank

    Homework Statement A sealed tank is completely full of water. The water in the tank is stationary. The gauge pressure at the top of the tank is 150 kPa. A mechanical failure of the tank creates a hole of area 1.00 cm2 at the top of the tank. Water flows out of the hole, rising in a vertical...
  30. K

    Water tank and wave interference question?

    Homework Statement In a large water tank experiment, water waves are generated with straight, parallel wave fronts, 3.0m apart. The wave fronts pass through two openings 5.0m apart in a long board. The end of the tank is 3.0m beyond the board. Where should you stand, relative to the...
  31. C

    How to calculate heat flux in a hot water tank

    Hi. I wish to calculate the heat flux on a bottom plate of a hot water tank. Would simply (m*c*t)/area give me the correct results. Please help?
  32. MattRob

    Speed of Sound in Compressed C02 Tank

    Hey, I've built a Cold Gas Rocket using a Co2 tank that stores liquid C02 at room temperature around 850 psi. (A Cold Gas Rocket is a rocket that uses a pressurized tank to propel the reaction mass instead of combustion, essentially just open a scuba tank and that's a very dangerous (not the...
  33. C

    Energy of water flowing down from a tank

    Hi, I have a garden which I water with the help of a garden hose, which drains water stored in a overhead tank (water tank at a certain height). Here is what I observe - when I partially close the tip of my gardern hose, the velocity of the water increases and hence the water reaches farther...
  34. U

    Heat transfer coefficient of water and air with tank problem

    Hi all :) I'm trying to figure out how much heat I can save from covering a tank which is open (uncovered). The tank is rectangular made of steel and is filled with water, heated to 50C, and is not insulated with any material. The outside temp and humidity is assumed to be 25C and 60%...
  35. B

    Calculating Sun Temperature from Tank Heat Absorption

    Lets take this specific example: Sun is radiating heat and a water tank with a certain surface area S absorbs this heat. Sun rays are perpendicular to this tank. [PLAIN]http://pokit.etf.ba/get/778c2978a453178481d142a891ae07c5.jpg If I know much energy did my tank of water...
  36. S

    Calculating Resultant Force of 2 Fluids in a Tank

    1. A tank with vertical walls, 2m wide and 2m long and 2.5m high, is filled with 4800 litres of water (density 1000 kg/m3) and 3200 litres of light oil (density 900 kg/m3). Calculate the magnitude and location of the resultant force on each of the vertical walls of the tank. 2. By doing some...
  37. G

    Thermodynamics rigid tank, determine electrical energy supplied to air

    An insulated 8-m^3 rigid tank contains air at 600 kPa and 400 K. A valve connected to the tank is now opened, and air is allowed to escape until the pressure inside drops to 200 kPa. The air temperature during the process is maintained constant by an electric resistance heater placed in the...
  38. H

    Calculating the Hydrostatic Force on the wall of a Cylindrical Tank

    How would I go about calculating the hydrostatic force on the walls of an upright Cylindrical Tank. To keep it simple, it is completely full of water, is 1m tall, has a diameter of 1m. Many thanks for anyone that can help.
  39. H

    What is the resulting force acting on water tank walls?

    Hello, I am trying to calculate the force exerted by the water pressure on the walls of two different water tanks. A cylindrical tank and a cuboid tank. Are the following calculations correct? (It seems too easy!) Using generic dimensions: Cylindrical Tank: Height 1m, Diameter 1m...
  40. S

    Mass conservation in a conical tank

    Good Morning to all I saw this problem in one of the courses that I am taking this semester. It is very simple, it consists of an open conical tank being filled in the upper part with an stream (which is assumed to be cylindrical) of water (flow Qi through an area Ai). At the bottom of the...
  41. K

    Small hole at bottom of cylindrical tank draining water?

    Homework Statement the tank has a radius of 2m, containing an initial water level of 3m. A hole at the very bottom (underneath) of the tank has radius .005m. How long will it take to empty the tank? Homework Equations Bernoulli's principle. A=radius at top of tank a=radius of...
  42. M

    Liquid Tank Design: Design Solution for 100gpm Flow & 10min Retention

    I have 2 locations of approx 80”w x 80”l x 112”h to install a tank(s). The tank must meet the following criteria: 1. Influent: 100gpm continuous flow of ground water dosed with 12% sodium hypochlorite to eliminate ammonia 2. 10 minute minimum verifiable retention time in the tank during...
  43. N

    Find work done draining water from a tank

    Homework Statement A tank of water is 3m long and has a triangular cross section of height 1m and width at the top of 1m. How much work is done pumping the water to the top of the tank? The density of water is 1000kg/m3 and the gravitational constant g has value g m/s2 Homework Equations...
  44. K

    How to calculate water from storage tank to small tank?

    I have a 10,000L water tank (size 3.5m Dia x 1.0 m H) connected to 2 inch pipe (bottom of the tank). How do I calculate the speed/volume of the water flow out from the tank?
  45. M

    How to Calculate the Proportionality Constant for a Two Tank System

    Greetings! We are designing a very basic two tank system with water flowing in one tank, and out the other. As illustrated here: We have come up with two equations, which should be pretty self-explanatory. W is waterflow, A is area, h is the water level and so forth. As you can see, we...
  46. J

    Thermodynamic filling of tank. (matlab)

    Homework Statement A 70 ft3 rigid insulated tank contains air at 14.7 psia and 80 º F. The tank is connected to a supply line through a valve. Air is flowing in the supply line at 75 psia and 80 º F. The valve is opened, and air is allowed to enter the tank until the pressure in the tank...
  47. H

    Archived Fluid pressure in a tank - manometer

    Homework Statement The level of benzene in a storage tank may fluctuate between 10 cm and 300 cm from the top of the tank. Since it is impossible to see inside the tank, an open-end manometer fluid is to be used to determine the benzene level. One leg of manometer is attached to the tank...
  48. I

    Diff Eq tank problem not working out

    I know you guys must get tired of the tank problem, but I just can't seem to get this figured out. This is my first post here, so hopefully this is in the right subforum and is presented properly. "A brine solution of salt flows at a constant rate of 4L/min into a large tank that initially...
  49. S

    Work and Fluid Force, lifting water out of a triangular prism tank

    Homework Statement A vertical cross section of a tank is shown. Assume the tank is 16 feet long and full of water. (\delta=62.4, and that the water is to be pumped to a height of 8 feet above the top of the tank. Find the work done in emptying the tank. The tank is a triangular prisim with...
  50. M

    Salt tank differential equation

    Homework Statement Solve problem 23 under the assumption that the solution is pumped out at a faster rate of 10 gal/min. When is the tank empty? 23. A large tank is filled to capacity with 500 gallons of pure water. Brine containing 2 pounds of salt per gallon is pumped into the tank at a...
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