[ Identification | Description | Input parameters | Output parameters | Links ]

The V_selector component

Velocity selector.

Identification

• Author: KL
• Origin: McStas release
• Date: Nov 25, 1998
• Version: 1.11
• Modification history:
  • KL, Jan 22, 1999

Description

Velocity selector consisting of rotating Soller-like blades
defining a helically twisted passage.
Geometry defined by two identical, centered apertures at 12 o'clock
position, Origo is at the centre of the selector.
Transmission is analytical assuming a continuous source.

Input parameters

Parameters in boldface are required; the others are optional.

Name	Unit	Description	Default
width	m	Width of aperture
height	m	Height of aperture
l0	m	Distance between apertures
r0	m	Height from aperture centre to rotation axis
phi	rad	Twist angle along the cylinder
l1	m	Length of cylinder (less than l0)
tb	m	Thickness of blades
rot	rpm	Cylinder rotation speed, counter-clockwise
nb	1	Number of Soller blades

Output parameters

None.

Links

• Source code for V_selector.comp.

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[ Identification | Description | Input parameters | Output parameters | Links ]

Generated automatically by McDoc, Kristian Nielsen <kristian.nielsen@risoe.dk> / Jan 22 2001

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Last Modified: Tuesday, 22-Jun-2004 14:04:09 CEST