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But why half if the gas is static?Please explain.I referred a few books for momentum transport but all of them used tensors.Is there any book(or other source) in which transport is explained only in 2d?anorlunda said:
Mohankpvk said:
Momentum transport in gases in 2D is the movement of momentum (or force) through a gas in a two-dimensional plane. It is a phenomenon that occurs due to the collisions between gas molecules and the walls of a container or between gas molecules themselves.
Momentum is transported in gases in 2D through random collisions between gas molecules. These collisions cause the molecules to transfer momentum to each other, resulting in a net movement of momentum through the gas.
Studying momentum transport in gases in 2D is important for understanding the behavior of gases in various environments, such as in industrial processes or in planetary atmospheres. It also has applications in fields such as fluid dynamics and heat transfer.
The main difference between momentum transport in gases in 2D and 3D is the dimensionality of the system. In 2D, the movement of gas molecules is confined to a plane, while in 3D, they can move in all three dimensions. This difference can affect the rate and direction of momentum transport.
The factors that can affect momentum transport in gases in 2D include the temperature and pressure of the gas, the size and shape of the container, and the properties of the gas molecules such as their mass and velocity. External forces, such as gravity, can also play a role in momentum transport.
