What is Container: Definition and 346 Discussions

A container is any receptacle or enclosure for holding a product used in storage, packaging, and transportation, including shipping.
Things kept inside of a container are protected by being inside of its structure. The term is most frequently applied to devices made from materials that are durable and are usually at least partly rigid.
A container can also be considered as a basic tool, consisting of any device creating a partially or fully enclosed space that can be used to contain, store, and transport objects or materials.

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  1. M

    The Pressure at the Bottom of a Container

    Homework Statement My physics textbook states that the pressure at some point in a fluid filled container a distance h below the fluid air interface is dependent only upon h, the density of the fluid, and the acceleration due to gravity. If this is the case, then the pressure at the bottom of...
  2. L

    Boiling liquid in a sealed container

    Suppose I have a sealed container of fixed volume containing 3/4 air and 1/4 of some liquid by volume at room temperature (22C). I wish to boil the liquid by applying external heat. As I apply heat to the container, the pressure inside the container will rise, which will change the boiling...
  3. Feodalherren

    Mechanical Engineering - Thermodynamics - rigid container

    Homework Statement Homework Equations The Attempt at a Solution So part A is correct. I'm completely stumped for part B. I feel like not enough information is given. All I know is the temperature. I tried using ratios but it didn't give me the right answer. How am I supposed to...
  4. powerof

    Calorimetry: mix of ice, water vapor inside a copper container

    Homework Statement We insert into a copper container (weighing 1.5 Kg) 3 Kg of water vapour at 100 ºC. Inside the container there are 10 Kg of ice at -10ºC. Find the ΔT when the system reaches the equilibrium. Known data: the specific heats of water, copper and ice and the latent heat of...
  5. J

    Compressed air flow rate from pipe to container

    Hello All,I was given a problem today that I could use some guidance on. I have a compressed air pipe flowing into a container. This container has a pressure of 5 psi while the pipe has a pressure of 90 psi. There is a valve that controls when the air is released into the vessel and only...
  6. L

    Water in an open container immersed in a heat bath at BP

    I realize this is probably pretty basic, but it has me stumped: An open test tube containing water is immersed in a heat bath of boiling water. The water in the test tube does not boil. Why? Would this be because the water in the test tube is at a temperature where it two phases (liquid and...
  7. N

    H20, CO2 and O2 in a Closed Container for a Long Time

    How much oxygen would make it's way down to the water if no mixing happens when put into container? I always hear of blanket of CO2 over a liquid. I'm trying to relearn some thermodynamics principles. Would the partial pressure between the CO2 never allow the oxygen diffuse into the water if...
  8. N

    Structural Engineering Analysis: Intermodal Shipping Container

    Hello, For a structural analysis term project I'm currently working on, my team has come across a problem. Here's the setup: Intermodal shipping containers (dimensions 8ft height, 8ft width, 40 ft length) can (according to company sources) be filled to a max load that grossly weighs 66...
  9. S

    Heat transfer from a container of water in a freezer

    I’m trying to understand the difference between how two styrofoam boxes of water cool when placed in a freezer. see attachment for picture Both boxes are 6’’ wide, 10’’ long and 6’’ high. Both boxes have an internal cavity of 4x8x4 (1 inch of insulation on all 6 sides) Box 2 has an...
  10. A

    Equations of movement of partical that slides inside a container

    Hello I'm trying to solve the following problem: "Find the equations of movement of a particle of mass m that slides on the inner surface of a spherical container given by the equation x^2 +y^2 + z^2 = 1, z≤0" I know I have to use F=ma and I've tried derivating the equation but I...
  11. U

    Acceleration of the container

    Homework Statement A light container is kept on a horizontal rough surface of coefficient of friction μ=Sh/V. A very small hole of area S is made at depth 'h'. Water of volume 'V' is filled in the container. The friction is not sufficient to keep the container at rest. The acceleration of the...
  12. B

    Vapor Pressure, Open Container, and Boiling

    I've been confused about this for a while now and haven't found anything that directly addresses this problem. Please correct any faults you see in my reasoning. My understanding of vapor pressure is that it is the pressure exerted by the vapor phase of a substance above the liquid phase...
  13. W

    Water Speed From a 1.5m Height Container

    A container is filled with water to a height of 1.5m. A hole at the bottom let's water squirt out horizontally at a height of 2m above the ground. How fast is the water moving that shoots out the hole?
  14. S

    Suitable Container Materials for Plasma

    Hi everyone, This is my first post here, so go easy on me. :) I am looking towards investigating the properties of plasma antennas, where a plasma is created in a sealed container, and the RF signal is either capacitively or inductively coupled and the transmitted. However, I am wanting...
  15. jdawg

    Water poured into leaky container

    Homework Statement Water is poured into a container that has a leak. The mass m of the water is given as a function of time t by m = 5.3t0.8 - 3.2t + 22, with t ≥ 0, m in grams, and t in seconds. (a) At what time is the water mass greatest, and (b) what is that greatest mass? What is the...
  16. K

    Absolute pressure at the bottom of a container

    Homework Statement A container is filled to a depth of 20.0 cm with water. On top of the water floats a 29.0-cm-thick layer of oil with specific gravity 0.800. What is the absolute pressure at the bottom of the container? (Answer in Pa) Homework Equations P= ρgh+ P(atmospheric) The...
  17. N

    Mixture of hydrogen and oxygen in container

    Homework Statement In a closed container with a volume of V = 5 50 l is a mixture of hydrogen and oxygen with the total mass m = 50 g. The container have pressure p = 300 000 Pa and the temperature t_1 = 20 ° C. A) What is the number of moles n_1 (hydrogen) and n_2 (oxygen) in the container...
  18. B

    Calculate pressure inside closed container

    A small container is filled with water (30ml). Next it is heated at 140°C. I need to determine the internal pressure caused by the heating process. The containers dimensions: height : 100mm Diameter: 39 mm Volume= circa 0,0203 m³ First thing I did was to look it up at steamtables. For...
  19. andyrk

    Why Does the Surface of a Liquid Slope When the Container is Accelerated?

    Homework Statement When a vessel containing a liquid is accelerated as shown in the attachment its surface slopes as shown, making an angle θ with the horizontal. Does this happen? Homework Equations Consider a differential mass element inside the liquid. It experiences forces F1 and F2...
  20. M

    Lifting an object to put it into a container

    I'm trying something similar, it's a mechanism to lift/tilt a cylinder, in order to drop whatever is inside the cylinder into another box. (the substance cannot be pumped) The cylinder is about 250kg heavy, and I'd have to lift it around 1,5m, then tilt it. I'm afraid I can't lift it with...
  21. Q

    Find the height of fluid in a U-tube container?

    Homework Statement A block of mass 20 g sits at rest on a plate that is at the top of the fluid on one side of a U-tube as shown below. The U-tube contains two different fluids with densities ρ1 = 1070 kg/m3 and ρ2 = 650 kg/m3 and has a cross sectional area A = 4.6 * 10-4 m2. The surfaces...
  22. G

    Bubbles Escaping from Submerged Container

    Hi We have a problem at work where we need to store a metal container under water. The container is to have small holes in the lid to ensure that it floods when submerged but we must minimise the size of these holes. Intuitively, if you have more than one hole in the lid then water will enter...
  23. B

    Calculate pressure inside closed container

    Homework Statement For the design of a reactor I need to calculate the pressure inside the closed reactor. Reactor volume = 75,36 ml Mixture inside the reactor = 30 ml H[2]SO[4] (5%) Temperature = 150 °C The Attempt at a Solution I was thinking I will need the steam tables for water -...
  24. C

    Final Temperature of Ideal Gas in Constant Pressure and Volume Compression

    Homework Statement A container of gas at 3.90atm pressure and 136 ∘C is compressed at constant temperature until the volume is halved. It is then further compressed at constant pressure until the volume is halved again. What is the final temperature of the gas? Homework Equations PV=nRT...
  25. S

    Method of determining volume of water in an arbitrary container

    All- I'm trying to work through a problem in my head and am looking for a little guidance. I want to build a system that can be used to measure the volume of water inside a container of arbitrary size and shape. The application, in case you're curious, is the drinking water tanks of a...
  26. W

    Temperature of shipping container

    How do I calculate the surface temperature of a shipping container's roof over 24 hours? All weather and sun parameters are known and I use an energy balance equation, but the contribution of the inside of the container causes the calculated values (rise too fast) to differ from the measured ones.
  27. C

    Mass Flow at the Mid-Plane in a closed container

    Hi there. I am designing a type cilindrical can full of a fluid, with a temperature difference between the top and bottom. Now, after the simulation of the free convection phenomenom in COMSOL, I wanted to understand the effect of varying the temperatures, to the "fluid movement" (fluid...
  28. C

    Gas Leak from Container: Calculating Work Done Against Atmosphere

    Homework Statement A metal container of volume ##V## and with diathermal walls contains ##n## moles of an ideal gas at high pressure. The gas is allowed to leak out slowly from the container through a small valve to the atmosphere at a pressure ##P_0##. The process occurs isothermally at the...
  29. G

    Container with two gases and equation of state

    Homework Statement We have a cylindrical container filled with a gas: the container has an upper compartment with 2 moles of this gas, and another compartment below with 1 mole of the same gas, separated by a diathermic boundary, and also has an adiabatic mobile plunger over the upper...
  30. J

    Calculating Steam Pressure in Closed Container

    I am trying to calculate the volume of liquid water i need to place in a sealed container in order to obtain 10 psi of steam pressure in that closed container. Here are the numbers: Temp: 816 C Volume of steel pipe: 154.497 ml Final pressure: 10 psi If I left out a required number...
  31. B

    Water entering in the container while at 30m depth

    Hi, It may not be the best title chosen but here is the question. If I have one container that has two compartments, one has a battery pack built from several alkaline cells and the second compartment has some pcb, wiring etc. The two compartments are separated each other with a plug, no...
  32. S

    Boyle's Law and collisions by the ideal gas molecules on the container

    When we use Boyle's Law it means that as pressure increases the volume of the container would decrease. In my notes they stated that if I were to halve the volume there would be two times the number of collisions per second which implies that the force exerted is doubled. But why is this so? I...
  33. M

    How long can I heat up a container?

    hi guys, I have a little cabin in my backyard. Recently, i have dug out a 1000 Watt air heater and installed in the cabin. I like to find out how long i need to run the heater to warm up to the room temperature of 21 ºC from the ambient of 12 ºC. Either the heater needs to be bigger or...
  34. S

    Stainless steel cooling container, need some help with the maths

    Hi guys, I'm designing a cooling device as part of a project and need a little help with the maths. OK, so the scenario is this, take boiling water, put it in a stainless steel container with Thermal Conductivity of 8.7 Btu/h ft °F and dimensions of 15.811cm x 15.811cm x 1 cm to store 250ml...
  35. N

    How do you determine the volume of gas in a container?

    Homework Statement I have a container filled with argon and I need to find the volume and amount of gas in the container. I don't know the mass or volume, but the measured pressure was 16.45psi, and the temperature was 298.59K. Homework Equations PV=nRT P = pressure V = Volume...
  36. E

    Heat Transfer Through a Styrofoam Container

    Homework Statement A styrofoam cooler is in the shape of a rectangular box. Its interior dimensions are 30×40×60 cm. Its walls are 1.5 cm thick. It contains 4.0 kg of ice with the remaining space filled with water. The ice and water are in thermal equilibrium. The outside temperature is...
  37. D

    Work done by compressing a container of gas

    I want to show that the work done by compressing a container of gas with uniform pressure is -\int_{V_i}^{V_F} p(V)dV, where p(V) is the pressure of the gas as a function of volume. This equation was derived in my text for the special case of a piston, but I wanted a more general derivation...
  38. C

    Force / Thrust from Compressed Air Container 90ci/4500psi

    Hello All, I was wondering that what is the force/thrust we can get from 90ci/4500psi compressed air container, which are available in market for Air guns. Also how long that force will last continuously (2 min or 5 min or more) ? For more info about the container ...
  39. P

    Heat loss of a cargo container in space

    I'm new here. I am working on a fictional space commerce system using containers to transport things between planets. The container size is 4x4x8 meters and most often it would be colored but call it grey for the purpose of the question. I don't know what you would make it from, I suppose...
  40. C

    Weightless Vacuum Container maximum height

    Assume you have a weightless constant volume container "filled with" vacuum. If you let it float in the atmosphere, how "high" would it go? I guess at some point Archimedes' principle should fail. What do you think?
  41. D

    Ideal Gase Rigid Container Experiment

    Let's assume that we have a non insulated glass container where there is any gas inside. If the beginning pressure is equal to the atmospheric pressure and then the gas is pressurized at ,say, 3 Bar . Then what kind of process would occur if we let a small amount of gas escape over a very...
  42. L

    Pulley system to lift container. How much force?

    1. I am stuck. Could anybody push me in the right direction? Best Regards Lasse
  43. M

    Surface of 2 rotating fluids in a cylindrical container

    Homework Statement In a cylindrical container (with radius R) there are 2 fluids (separated like water and oil, fluid 1 lies under fluid 2) with given volumes V_i, given densities ρ_i. You let them rotate with respective angular frequencies ω_i. There is no friction. Find the functions of...
  44. R

    A rotating container injected with a liquid

    Homework Statement A massive cylindrical container of inner radius ##R## is rotating freely with an initial angular velocity ##w_0##. A liquid of density ρ is slowly injected into the container, until the container is fully filled except the center of the container. The angular velocity of the...
  45. M

    Volume in container after flow

    Homework Statement Technically not homework, but could still qualify as one. Let's say we have container being filled (with an incompressible fluid for completeness sake) by a pipe of radius r. We have the initial present volume(expressed as x0 seems best in light of the latter parts of the...
  46. R

    SHO of Water Sloshing in a Container

    Homework Statement Consider a rectangular container, dimensions L x b, filled to level h with water. Water sloshes at low amplitude, y0 << h so that its surface remains always flat. Assuming the water has a density of δ, show that the potential energy is U(y) = \frac{1}{6} b δ g L y^2...
  47. A

    PV=nRT: Volume of Container or Gas? Impact on Temperature?

    i had a question PV=nRT is the V the volume of the container or the gas and if it was the container and i had a balloon and i squeezed it decreasing the volume increasing the pressure will that increase the temperature? thank you
  48. A

    Pressure build up profile in gas container

    I have methane leaking into a gas container from a connected reservoir cylinder. If the volume of the container is fixed and the initial pressure is known (say atmospheric), how can I determine the leak rate from the pressure build-up versus time relationship. The pressure versus time profile...
  49. A

    Calculate new water height in container after adding floating object

    Hi all, I've been looking at some buoyancy problems and one continues to vex me, how to calculate the new fluid height within a container after a floating solid is added to it. I understand that for a completely submerged solid Archimedes comes into play, volume of the solid equals volume...
  50. V

    Wall Strength of a Shipping Container

    I'm going to bolt some hooks to the inside walls of 20ft and 40ft shipping containers. What I'm wondering is, what would be the easiest way to determine the stress on the corrugated steel walls, excerted on it by placing things on these hooks?. The hooks are 280mm apart and the force will be...
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