Velocity distribution of water molecules in pores under microwave electric field

LISHCHUK, Sergey and FISCHER, Johann (2001). Velocity distribution of water molecules in pores under microwave electric field. International Journal of Thermal Sciences, 40 (8), 717-723.

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In order to understand the transport of water in pores under the influence of a microwave electric field the velocity distribution function of the water molecules is thought to be a key quantity. First, bulk water under the influence of an alternating electric field is studied by using a kinetic equation. As rotation occurs on a faster time scale and translation on a slower time scale it is argued that the velocity distribution for the bulk water is a Maxwell-Boltzmann distribution. Next, the non-equilibrium molecular dynamics simulation method is applied to study the behaviour of TIP3P water molecules under microwave electric field in a slit pore with thermostated walls. The water heats up till it reaches a steady state temperature. It is found that in the transient process as well as in the steady state the velocity distribution function is a Maxwell-Boltzmann distribution for the corresponding temperature. Hence, there is no convective mass transport due to a direct influence of the electric field.

Item Type: Article
Research Institute, Centre or Group - Does NOT include content added after October 2018: Materials and Engineering Research Institute > Modelling Research Centre > Materials Modelling group
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Page Range: 717-723
Depositing User: Sergey Lishchuk
Date Deposited: 10 Nov 2016 16:36
Last Modified: 18 Mar 2021 22:30

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