wall effect

wall effect

[′wȯl i‚fekt]
(electronics)
The contribution to the ionization in an ionization chamber by electrons liberated from the walls.
References in periodicals archive ?
As the amount of fine sand is reduced, fewer small particles are involved in the wall effect [65] and the wedging effect [63], resulting in the increase in the dead volume (zones free of small particles) close to the contact points of the large particles and the voids formed by the large particles.
The wall effect was considered as a function of (R/r), which is a coating bath radius over the cylindrical substrate radius.
"The North East has a 'wall effect' that people can't get past and there is always a focus on London and those larger markets.
The light can be set up against a wall to create a wash wall effect or be placed in the center of the room or party as a conversational piece.
This helps to stagger the seams in each block, and creates a vertical brick wall effect.
There are numerous studies investigating the wall effect on different-shaped particles settling in Newtonian and non-Newtonian fluids.
Parents tell us the usual response is: 'Wow!' "We have had instances where a young person has shown their classmates the finished work and their friends have talked their parents into having their bedrooms done, too "Our Abstract Graffiti Bedroom - with name, silhouettes, stars and favourite team badge - costs PS145, while the Street Graffiti Bedroom also features a brick wall effect, to give street edge, and costs PS245.
Right: A transfer image on a cupboard featured in Colour Recipes For Painted Furniture And More and, far right, a painted panel wall effect. Inset Annie Sloan
VINTAGE: Painted panel wall effect featured in Colour Recipes for Painted Furniture And More by Annie Sloan, published by Cico Books, PS14.99