Container Definition and 347 Threads

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. 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...
  2. P

    Inside a container with non-pure helium

    Is helium miscible with O2, N2 or any of the other gases in air? If a container were filled with 95% helium and 5% O2, would the O2 gas settle to the very bottom of the container, leaving very pure helium gas at the top?
  3. S

    Shock load due to high pressure gas flowing into container

    Hello, I am new here so I apologize in advance if my question is not formatted as it should. I have an application where a large pressurized vessel is releasing part of its contents (gaseous) into an "empty" container (air), much smaller, that is at atmospheric pressure. I need to know if the...
  4. C

    Container Size and Constant Flow

    I was wondering if anyone could help me with calculating the size of a liquid container containing Electrolyte Fluid. Background to it is, the electrolyte is transferred through a pump and a spindle to a work surface at the flow of 0.1 litres/minute (33.9 m/s). The fluid is then filtered to...
  5. P

    Weight of system: water container and rock

    Homework Statement Container filled with water is placed on a scale. case #1 Lid is closed. Rock is placed on top of the lid. case #2 Rock is placed inside the water container, it sinks to bottom. Lid is closed. How does the weight (reading on the scale) compare in the two...
  6. B

    Why does pressure in an enclosed container go up under the sea?

    Ok stupid question I know but I'm probably just thinking about it all wrong. If I have a container that can't be compressed in any way filled with air and I bring it to the bottom of the sea why would the air pressure inside increase? The way I'm thinking is that it is separated from any...
  7. J

    Pressure drop w.r.to time through a orifice dia(D) in a container of volume (V)

    Let initial preasure (P) = 10 bar,volume of container (V)=100000 cubic cm. At what time period pressure will become 5 bar.
  8. P

    Finding the exerting forces in a container

    Homework Statement A sealed cubical container 20.0 cm on a side contains three times Avogadro’s number of molecules at a temperature of 20.0°C. Find the force exerted by the gas on one of the walls of the container.Homework Equations PV=nRT P=F/AThe Attempt at a Solution Hello people, here is...
  9. D

    Force exerted on the wall of a container.

    I am doing a question about oxygen in a cubical container, and am being asked to find the average force a molecule exerts on one of the walls of the container. I know the force is equal (in magnitude) to the rate of change of momentum of the molecule, but how can I know the duration of the...
  10. M

    Ideal Gas Law with spring, no numbers, closed container

    Homework Statement The closed cylinder of the figure has a tight-fitting but frictionless piston of mass M. the piston is in equilibrium when the left chamber has pressure p0 and length L0 while the spring on the right is compressed by ΔL. a. What is ΔL in terms of p0, L0, A, M, and k...
  11. A

    Temp to raise fluid temp inside a container - Heat transfer & thermodynamics

    Homework Statement Hi all, I have this problem statement with variables: 20" Diameter, 2000mm (length, L) cylindrical container with 8mm thickness made of plastic Container 3/4 filled with gasoline. Question: What is the immediately surrounding temperature required outside the container to...
  12. J

    Thought experiment: Rising bubble in rigid container

    I came across a blog which posted a paradox and it really got me thinking. This is what it read: You have a perfectly rigid jar, which is sealed and filled with a perfectly incompressible liquid. Within the liquid, at the bottom of the jar is a small bubble filled with an ideal gas. Since...
  13. B

    Find the Highest Pressure Point in this Conjoined Container

    Homework Statement In this conjoined container, water is filled up to the top at all three openings. Which letter point shows the highest point of pressure in this conjoined container? ````/~\``````````|~~~|`````\~~~~~~~/ ``` /~~\`````````|~~~|``````\~~~~~~/...
  14. B

    Calculating Piston Movement in a Container

    in a container there are some pistons of different areas. If we apply a force at one of the pistons and move it a distance. How can we determine the distance moved by the other pistons?
  15. L

    Understanding a Sealed Container with a Heater & Fan

    Hi, I would really like some insight here, I don't know what I'm doing! also, sorry if i get the terms wrong and miss the obvious, this isn't my field. I will try to keep this short: I think that if you have a solid object, with a Heating element in the centre, and the surface in ambient...
  16. C

    Sloshing in a Rectangular Container: Finding Time Period

    Homework Statement A rectangular container partly filled with water up to height , after being slightly disturbed , the urface of water begins to slosh . Assume that the water surface remains practically flast during sloshing , find the time period of the sloshing mode. take width to be...
  17. Femme_physics

    Entrance to centrifugal pump = pressure lost in entrance to container?

    Does the local pressure lost endured in an entrance to a container (k =1) equal to the same local pressure lost of an entrance to a hydraulic Centrifugal pump (in basic hydraulic with mostly ideal conditions - neglecting friction). Or do we ignore it as local pressure lost?
  18. S

    What’s happening and why (water flow within a container)

    Hi all I’m from a design background and I have a number of questions in relation to water flow within a container (e.g. coke bottle and larger). I punch a few small holes in the base of the (PET) coke bottle and then I fill it up with water, once I have done that, I place the cap back on the...
  19. E

    Container filled with gas - interaction between the molecules

    Hello there, I'm studying thermodynamics right now, and a question popped into my mind for which I haven't found a decent and detailed explanation so far. Say that we have a container filled with any kind of gas, and we can control the temperature of the wall of the container. If we increase...
  20. P

    Determine Moles of Gas in a Container

    Homework Statement 10. An ideal gas in a container has a pressure of 2.50 atm and a volume of 1 m3 at a temperature of 30oC. How many moles of gas are in the container? a. 20 moles b. 45 moles c. 62 moles d. 83 moles e. 100 moles Homework Equations PV=nRT The Attempt at a...
  21. B

    Pressure of Liquid in Slanted Container at Depth

    what would the pressure of liquid at a depth be in a container which is slanted?
  22. T

    Egg Drop Project: Prepping the Container for a Successful Fall

    I have an egg drop project, in which we make a container on the ground that can cushion the fall of the egg. The limits are: 8 cm height max, and 45 x 45 cm box max area and the egg must not break even if it bounces out after hitting the container. It'll be dropped first from a height of 2...
  23. DaveC426913

    Incompressibility and pressure on a container

    I want to understand the factors and terminology associated with pressure in the following scenario. I have a balloon filled with water. Inside this balloon is an irregular vessel, say a corked glass test tube, also filled with water. I can poke and squeeze the balloon with impunity, knowing...
  24. E

    Heat power needed to partially evaporate water from a water container

    Homework Statement So in the context of a practical project, I am tasked with selecting an appropriate hot plate with a specific power rating able to evaporate 1 kg of water in an hour, from a container that initially contains 3 kg of water. Homework Equations - P = Q/Δt - Q = mcwaterΔT...
  25. P

    Absolute pressure with container

    Homework Statement A 1.00m tall container is filled to the brim, partway with mercury and the rest of the way with water. The container is open to the amosphere. What must be the depth of the mercury so that the absolute pressure on the bottom of the container is twice the atmospheric...
  26. T

    Cheap and relatively efficient insulated container

    I've been given a challenge of designing a cheap and efficient container that allows light into heat something, but doesn't allow the heat out. The cheaper, the better. I thought of several ways, but one that stuck with me was a double paned window. That allows light in but heat out! But how to...
  27. K

    Cylindrical Container Minimum Cost

    Homework Statement An industry is to construct a cylindrical container of fixed volume V, which is open at the top of. Find the quotient of the height by radius of the base of the container so that manufacturing cost can be minimal, given that the unit area of the base costs (b) twice the...
  28. O

    Help! 50% Helium and 50% Argon in a Sealed Container

    Hi all. Just got a question to ask, I'm slightly puzzled by it. Q. Say that you have a sealed container and you put in it 50% helium and 50% argon and you leave it for a few days. Because argon is heavier than helium, would the most of the helium rise to the top part of the container...
  29. D

    Lowest center of mass of a container + fluid

    I have an interesting question, that I've been struggling with for a while now, but I'm somehow messing it up. I haven't found anything on the internet (hard to search for something like this) so I'm wondering if any of you know something useful about it, or do better at finding the solution...
  30. B

    Selecting the Right Vacuum Pump for a 2 Lit Container

    the pressure inside a 2 lit container has to be maintained at 0.01 bar. For this purpose, a vacuum pump will be used to pump the air outside. Also, air from atmosphere is leaking back into the container at 1 lit/min. one of the following pumps has to be selected. A. pumps out 10 lit/min...
  31. S

    If you wanted to put int,double into your own container class would you do it?

    If you wanted to put ints, doubles, strings into your own container class how would you do it?
  32. N

    TERMODYNAMICS - gas leaking from container at T=const

    Homework Statement Tank contain an ideal gas. Known is type of gas, temperature of gas T, volume of tank V=const, pressure of gas in tank p1, and the temperature of surrounding air T (same as temperature of gas in the tank). That is state 1. Tank has small valve that was not closed...
  33. R

    How to keep stable temperature inside an iron container of mm thin

    Can some one give me ideas that how can we do above question.
  34. I

    Condensation in vacuum container

    Hi, I'm building a lens and stupidly rinsed one component before putting the lens body together with epoxy glue. Now when I leave the lens in the sun the trace of water left in the vacuumed lens body turns into condensation and blurs out the vision. I've seen loads of forums suggesting using...
  35. K

    Boyle's Law, does it hold true in a non finite container ?

    If a gas will expand to fill the available space (container) does this still hold true if the "container" is the atmosphere? Assuming the gas(es) can escape (either in molecular or in subs - atoms) from the area around the Earth containing our atmosphere this means that the gas is not...
  36. R

    Small Pressurized Container up to 100,000ft

    Hello, looking for any info out there on building a small pressurized container for weather balloon experiment. Only needs to withstand heights up to 100,000 ft. Anyone have any experience or advice? Thanks
  37. T

    Gas equation of state and shape of container

    Does the equation of state of a gas of interacting particles depend on the shape of the container they are in? For instance, if the interaction force is gravity (a central force) and the particles are in a spherical container, then it seems reasonable that the pressure on the wall of the...
  38. S

    C/C++ Optimal Container for Storing Vectors in C++?

    What is the best container to store vectors in for C++? Is it possible to declare a vector whose elements are vectors? Or is there some other sort of container that can be used? I was thinking of using a vector of vectors because I need to be able to access specific elements while also being...
  39. D

    Let's say I have a container and it has an opening. I drop it into the

    Let's say I have a container and it has an opening. I drop it into the ocean and let it sink to the bottom of the deepest part about 36k feet down. Now it's at the bottom and full of water and I seal it then I bring it back to the surface. If I open it will it decompress pretty violently since...
  40. M

    Optimization question - optimal conical container

    Design the optimal conical container that has a cover and has walls of negligible thickness. The container is to hold 0.5 m^3. Design it so that the areas of its base and sides are minimized. information : 1) areas of the sides = (pi) x r x s 2) areas of the base = (pi) x (r^2) 3)volume of...
  41. T

    Sphere sits at bottom of milk container, find mass?

    Homework Statement A glass ball of radius 2.40 cm sits at the bottom of a container of milk that has a density of 1.03 g/cm3. The normal force on the ball from the container's lower surface has magnitude 7.50 *10^-2 N. What is the mass of the ball? Homework Equations Fb=Mf*g d=M/V...
  42. Femme_physics

    Finding out pressure in a container if you know temp' and state-of-matter ratios

    Let's say you have a container with water in it. Let's say that you know that the temperature inside the container is 150 Celsius. Let's say that you have the ability to see inside the container and see the ratio of gas to liquid. So, if you know the ratio and know the temperature, can you find...
  43. T

    What is the air pressure in the container before it is opened?

    Homework Statement A partially evacuated airtight container has a tight-fitting lid of surface area 78 cm2 and negligible mass. If the force required to remove the lid is 480 N and the outside atmospheric pressure is 1.01*10^5 Pa, what is the air pressure in the container before it is...
  44. D

    Determine what's in a container

    Homework Statement You are given a container with either a battery and a resistor or a capacitor inside it. There is also a positive and negative terminal sticking out of the container. Without looking inside, how will you determine what is inside the container? Materials include a...
  45. C

    How to Determine the Number of Atoms in a Given Volume of Al2O3?

    Homework Statement Given a volume of Al2O3, how many atoms of each element? Homework Equations The Attempt at a Solution
  46. D

    Gas pressure and container shape.

    I've been thinking about the ideal gas law lately and there is something I don't understand. Say you have 2 containers filled with an ideal gas. Both containers contain the same moles of gas, the same temperature of gas, and both containers have the same volume. Therefore, according to the ideal...
  47. 2

    Pressure of water in a sealed container

    If you have water in a sealed container at one temp T1 and the you heat the water to temp T2 how could i find the pressure with just this info. Also assumeing the coefficents of compressibility and thermal expansion are constant.
  48. M

    CO2 gas in a temp-controlled, pressure-controlled container

    The problem: 20 g of dry ice (solid CO2) is placed in a 2.0*10^4 cm^3 container, then all the air is quickly pumped out and the container sealed. The container is warmed to 0 deg C, a temperature at which CO2 is a gas. a) What is the gas pressure? Give your answer in atm. The gas then undergoes...
  49. J

    Rate of fill of a cone-shaped fluid container

    An engineer came to me with the following problem. I'm not convinced the problem is correct - but I've probably just overlooked something, since I haven't done any vaguely practical problems in years. Anyway, here it is. Homework Statement...
  50. F

    How pressure inside container reacting on bolts.

    Homework Statement I am trying to learn how pressure inside a container reacts on bolts holding the container together. This image shows the probleme. I am interested in how to calculate the forces reacting on the bolts. Homework Equations force=pressure*area area circle=...
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