Tank Definition and 691 Threads

  1. W

    How can I calculate heat loss in a hot water pipe system?

    Hello friends, I am into modelling of electric hot water tank which is vertical and has the capacity of 120 litres. I just assumed certain charactersitics of an existing heater so as to be more realistic in my approach. Now I am facing certain troubles in my calculations, if you know please...
  2. M

    Practical problem - fill 1000 liter water tank with pump using solar power

    Hi all. This is my first post so please forgive me if I write anything wrong or post on wrong forum. In the attachment below I have a problem. I need to buy a water pump (PUMPA in img) that works on 12 or 24 volt DC current being powered with solar panels. This pump must be able to fill a...
  3. J

    Gas flow, time required to fill a tank

    Hi all, I've been searching through the forum, and found some related posts, but still can't wrap my head around this. I would greatly appreciate any help. I'm trying to fill a box with carbon dioxide from a tank, that has attached to it a regulator and tube. I used PV = nRT to find the...
  4. M

    How to input objects into the bottom of a water tank.

    Hello, I am 17 years old and studying Mechanical engineering an i started thinking of creating some sort of game ( a bit boring) where children have to grab different coloured balls from a tank of water, i was wondering how to create a dispensing system to allow balls from a dispenser in which...
  5. 2

    Maximizing CFM Potential: Calculating Air Tank Capacity and Volume Differences

    Say I have a 10 gallon air tank, how would I figure out the CFM potential for the given volume? Also, what is the volume difference between a 10 gallon tank and 10 lbs. tank?
  6. R

    Water temperature increase in tank with steam

    Hello Everyone, I have been asked to find out what it takes to bring 775 gallons of water at 70 deg (room temperature) to a rolling boil (approx 212 deg) via 25psig steam. I have 68 square feet of heat transfer surface (stainless steel tank) with no agitation. I haven't been successful...
  7. F

    Center of mass of a tank (military vehicle)

    Homework Statement a toy which have a shape of tank (military vehicle) has a platform of 192mm long, 140mm wide, weight of 2075grams. The canon is 239mm long, 50mm wide, and weight of 400grams. the canon is on top of the platform and being assembled 58mm from the front side of platform. where...
  8. V

    Measuring water pressure in an open tank

    Hello to everyone... I've been reading these blog and searching the web trying to find a solution for my problem, but I couldn't find anything. I need to meassure the water pressure (differential pressure) in an open tank. The colum of water is aprox. 10-15cm tall. I need to do these...
  9. R

    Helium tank filling parts to a specific pressure?

    Homework Statement I have a tank that has 8000 cubic feet of helium in it. I have parts I'm filling to a gage pressure of 0.5 bar. The parts have a volume of 0.05ft^3. How many cubic feet of helium are in each part? Temperature is constant. Homework Equations I'm not sure if I'm missing...
  10. T

    Time taken for water to drain from a tank through a pipe (fluid mech./Bernoulli)

    Homework Statement A) A tank of water of cross-sectional area A empties through a pipe of cross-sectional area a, where a A so that the speed of the water flow in the tank can be neglected compared to that in the pipe. The initial height of the water in the tank is H and the pipe extends a...
  11. S

    Hydrostatics and Cylindrical Tank

    Homework Statement I fill a cylindrical tank of length 50 ft and diameter 90 ft with water (to the brim). What is the force the bottom 1 ft band of water exerts on the lining? Homework Equations The Attempt at a Solution My main doubt is whether i should integrate from 0 to 1 and...
  12. N

    Fluid Dynamics: Waterflow out of a Tank

    Hi, this is some questions about fluid dynamics(mostly). There are three somewhat connected questions here, I will try to organize it as best as I can. Homework Statement A sylindrical tank filled with water is standing on a table, the tank has a small hole at the side of the tank at the very...
  13. 7

    Temperature Change in Partitioned Tank with Ideal Gas Upon Removal of Partition

    Hi all, Sorry if this is posted in the wrong place, I'm new here. I have a thermodynamics question. Why is the temperature change 0 in the case of a partitioned tank containing an ideal gas when the partition is removed? This seems to run counter to the idea of an aerosol spray can...
  14. S

    Pressure on heated water tank (rocket)

    Mythbusters did a test to see if a water heater would shoot through the roof of a two story building (home). They close all orfices, heated the water and it soared through the roof. They computed the final pressure as 85,000 pounds. As I recall they computed this by multiplying the area of the...
  15. E

    Flow in a pipe with a tank on its top, and a nozzle on its bottom

    I have a tank filled with water on the top of a pipe (height of water = h) there's a hole in the bottom of the tank, so that when the hole is suddenly opened, water will flow in the pipe of length 20 meters at the bottom of the pipe, there's a nozzle (I don't know how to choose the right...
  16. C

    :Problem with a cylinder tank and a nozzle

    urgent :Problem with a cylinder tank and a nozzle Hey guys, I have been given a problem and I really want your help cause I have some doubts:[/B] A cylindrical tank 1.52 m in diameter and 7.62 m high contains cottonseed oil having a density of 917 kg/m3. The tank is open to the atmosphere...
  17. M

    How can i detenmine the size of generator fuel storage tank.?

    hi all, i want to know that how can i determine the size generator fuel storage tank. let suppose i have 3 generator and which capacity have 635kVA, 1250kVA and 700kVA... and this generator will be operate 85%... so its sum of kVA is 2585kVA and its 85% is 2197kVA and in kW is 1758kW. Now i...
  18. V

    Differential Steering to steer a tank

    Why is it when a tread on one side of a tank stops the other side which is still moving will 'skid' in the direction of that tread? This is used to steer a tank but what is the physics behind this please
  19. A

    Differential Equation Water Tank Word Problem

    I am having trouble starting this problem: A tank is filled with 1000 liters of pure water. Brine containing 0.08 kg of salt per liter enters the tank at 9 liters per minute. Another brine solution containing 0.03 kg of salt per liter enters the tank at 9 liters per minute. The contents of...
  20. S

    Solve Math Problem: Time to Fill 425L Tank with Pipes

    A tank of 425 litres capacity has been filled using two pipes, the first pipe having been opened 5 hrs longer than the second.If the first pipe were to open as long as the second and the second pipe was open as long as the first then the the first pipe would deliver half the amount of...
  21. S

    How long will it take to fill a tank?

    Homework Statement The water from a pipe flows into a tank of volume 180 m3. If the tank is initially empty, how long will it take to fill the tank? Homework Equations Q=vA v1=12m/s v2=22m/s A2=0.180982 m2 A1=0.3318 m2 The Attempt at a Solution This question is the third...
  22. S

    What Is the Hydrostatic Force on One End of a Tank Filled with Gasoline?

    1. Homework Statement A large tank is designed with ends in the shape of the region between the curves y =(1/2)x^2 and y = 12, measured in feet. Find the hydrostatic force on one end of the tank if it is filled to a depth of 8 ft with gasoline. (Assume the gasoline's density is 42.0 lb/ft^3)...
  23. G

    Gas in tank exposed to a vacuum

    Homework Statement A tank is equally divided into two equal halves, one a vacuum and one filled with argon gas at 298K and 700 bar. The divider bursts and the gas equally disperses throughout the tank. What is the new T and P of the gas assuming argon is an ideal gas? Homework Equations...
  24. B

    How to stop leak of water tank while steel rod enters and exits?

    Hi: I have a tank of water (of plastic) of about 2 x 4 feet. I want a steal rod (with a ball of 5 inch at end of rod) to be cross that water tank from center, but water should not leak from tank (rod will enter from right and exit from left of tank) You can get more idea from image that...
  25. R

    Filling a tank flow rate problem

    Goodday I wonder if anyone can help , I have a problem with an equation where a ships tank floods from sea water ingress . I use the equation q= d^2 * v * pi /4 where d = diametre of hole in m v = velocity of water m/s as ( 2*9.8*height)^.5 My problem is how do i plot the on an x and...
  26. N

    Simulating lateral accelerations in a fuel tank test

    [b]1. Homework Statement [We have a 5 litre rectangular fuel tank which when full of fuel will weigh 3.7kg, I need to simulate the affect off the car pulling 1.5g in the corner by tilting the fuel tank on the lateral and longitudinal axis. What angle would be required to achieve the same affect...
  27. J

    Lateral force of water on the walls of a tank

    I want to build a plywood fish tank 16' long x 4' wide x 3.5' high. I need to know how to calculate the lateral force at any point on the walls in order to build with strong enough lumber to support the lateral pressure and also the weight pushing down. I know that one gallon weighs 8.345 lbs...
  28. J

    Pressure questions filling smaller tank from larger

    Ok I am wondering how to solve this or go about figuring it out. This is what I am trying to do. I have a 253.859 cu inch tank (tank A) filled to 4500psi. I want to fill 68 cubic inch tanks (tanks B) with it. I know that after each fill tank A will decrease in pressure by a little amount and...
  29. L

    Question about Firing tank shell in freefall

    Im new to these forums. Hope i posted this in the right section. I watched the movie "The a-team". There is a scene where there is tank under free fall, and they fire the canon sideways to move the tank whilst free fall. I wish to calculate if this is possible or if possible, how much exact...
  30. B

    Mixing Tank, Differential Equations Problem

    Homework Statement a larg tank is filled with 500 gals of water with 400lbs of salt. pure water is pumped into the tank at a rate of 3gal/min. the well mixed solution is pumped out at a rate of 7 gal/min. I need help finding the Differential Homework Equations The Attempt at a...
  31. A

    Parabolic Water Tank Homework: Find Work W Done to Lower Water

    Homework Statement The ends of a "parabolic" water tank are the shape of the region inside the graph of y = x2 for 0 ≤ y ≤ 4 ; the cross sections parallel to the top of the tank (and the ground) are rectangles. At its center the tank is 4 feet deep and 4 feet across. The tank is 6 feet...
  32. D

    How to calculate pressure (PSI) of a gas in a tank

    Hello, i don't know if this is the right place to post this question but I am sure someone here can help me out. i need to be able to calculate the psi of a gas in a tank, for example let's say i have 3000 liters of hydrogen in a 1 gallon tank, what would the psi be in the tank? the only help i...
  33. K

    Flow From a Tank through a Pipe

    Im looking to create a program which models a tabletop water tunnel. One part of the system involves flow out of a tank through a pipe. So far I have used the assumption that the pressure in the pipe is the same as atmospheric but I feel this is wrong, and therefore my use of SQRT(2*g*height...
  34. dpeff

    Calculating volume of an air tank given the compressor delivery rate

    I have an electric compressor with a delivery rate of 17 SCFM. I would like to calculate the volume of the air tanks that are being charged by keeping track of how long the compressor runs while building air from pressure 1 to pressure 2. I believe that the following calculation is correct...
  35. M

    Flow of water from a 30,000 litre tank

    Homework Statement My question is. Does the flow of water from a 30,000 litre tank decrease as the level of water in the tank drops Homework Equations The Attempt at a Solution
  36. T

    Work needed to pump water to a tank

    Homework Statement I have attached the question with a diagram and answer key. The Attempt at a Solution What I did was found the work needed to pump the water into the bottom half of the sphere from 90-100 and then add that to the work needed to pump the water into the top half of the...
  37. J

    How long will my gas tank will last?

    How long will my gas tank last? Dear All, I've a question for you that's driving me a little bit crazy. I'm trying to set up low oxygen tension cell culture chambers to grow my cells. Here is a picture: The chamber is cylindrical shape and has a volume of 1.2 liters, it's at room...
  38. J

    Pipe Pressure from discharge in Tank

    The diagram attached is a picture of the problem I have. I have a 10ft tall cylindrical tank with 20ft of pipe directly under it. The tank at full capacity can hold 100 gallons of water or 10 gallons per ft. I want to calculate the pressure of the water right before it leaves the pipe 20ft...
  39. A

    Why Does an LPG Tank Freeze as Gas is Used? Explained

    Hi all, I am having trouble grasping the phenomenon on why the LPG tank freezes as you use up more and more of the gas inside. My understanding is this. Initially, the tank is full of liquefied gas, and as you use up the gas, the pressure inside the tank drops, and since the temperature...
  40. S

    Solving a Differential Equation: Salt Concentration in a Tank

    can you help me ?? A 200 liter tank initially contains 100 liters of water with a salt concentration of 0.1 grams per liter. Water with a salt concentration of 0.5 grams per liter flows into the tank at a rate of 20 liters per minute. Assume that the fluid is mixed instantaneously and that...
  41. S

    Solving Differential Equations for Tank of Water and Salt

    can you help me ?? A 200 liter tank initially contains 100 liters of water with a salt concentration of 0.1 grams per liter. Water with a salt concentration of 0.5 grams per liter flows into the tank at a rate of 20 liters per minute. Assume that the fluid is mixed instantaneously and that...
  42. C

    Thermal expansion of tank and contents.

    Homework Statement At 5°c, a steel tank is 6m high, 9m in diameter, and contains oil to the 5.9m level. A heating coil is put into service, causing 3.4m^3 of oil to spill over the top of the tank by the time the final temperature is reached. Calculate the final temperature, if the coefficient...
  43. C

    How fast will the pressure decrease from a leaking gas tank?

    Hi! At my plant we have a tank filled with hydrogen gas used for cooling a generator. The tank volume is 360 m^3. We have a constant leakage of 1 m^3/h. The system pressure is about 0,4 MPa. We also have a constant inflow to the system and the ventilation in the room is good so the leakage is...
  44. S

    Water Pressure in tank filled with water

    Figure 14-24 shows a tank filled with water. Five horizontal floors and ceilings are indicated; all have the same area and are located at distances L, 2L, or 3L below the top of the tank. Rank them according to the force on them due to the water, greatest first. Are we just comparing the...
  45. S

    Syphon problem with above ground water tank

    I have a problem with an above-ground water tank supplying a pump on the ground, supplying a sprinkler system. When the pump turns off, the water doesn't stop due to the syphon effect. When I first installed the pump, I put in an adjustable sprink check valve after the pump, but it still leaked...
  46. J

    Work done by pumping water into a tank

    Homework Statement Problem with picture attached I need help on 24. **24 is a continuation of 23 so use the same dimension except for the distance... Or you can go here http://college.cengage.com/mathematics/blackboard/content/larson/calc8e/calc8e_solution_main.html?CH=00&SECT=a&TYPE=se...
  47. QuarkCharmer

    Fluid Dynamics of saltwater in sealed tank

    Homework Statement A sealed tank containing seawater to a height of 12.8 m also contains air above the water at a gauge pressure of 2.90 atm. Water flows out from the bottom through a small hole. How fast is this water moving? Homework Equations I believe that Bernoulli's equation is...
  48. E

    Calculating Water Height for Pipeline from Tank A to B

    I am designing a water pipeline from tank A to tank B. assuming tank B is empty, how can i calculate the water height going out from the pipe?
  49. Z

    How ti increase R22 gas pressure in the tank?

    dear guys, first of all.., I'm sorry because i not sure my question suitable in this forum or not. if not, mr moderator please move my topics to correct section :redface: my problem is, how to increase the pressure of the r22 gas in the tank diameter 10 inch x 30 inc (length). my tank can...
  50. T

    A centrifugal pump at the source tank sends fluid 200m

    Hi, This is a question regarding my employment. A centrifugal pump at the source tank sends fluid 200m using 3" hoses to a recieval tank. When the automatic valve shuts on the recieval tank the pump stops due to it having a pressure sensor.When the pump stops there is 8 Bar pressure on...
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