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[ Identification | Description | Input parameters | Links ]
The Capillary Component
A capillary tube
Identification
- Site:
- Author: Erik B Knudsen
- Origin: DTU Physics
- Date: July 2015
Description
A Capillary tube allowing for reflections along the tube. A material coating can be applied. Multilayer coatings may be handled by generating a reflectivity file (e.g. by IMD) and setting rtable=1. Waviness is implemented using the model described in Wang et.al., J. Appl. Phys., 1996 where the grazing incidence angle $\theta$ is altered as $\theta' = \theta + \delta \theta \in [-min(theta,\Delta\theta,\Delta\theta]$ This ensures that reflected rays will never be scattered into the capillary. \Delta\theta is the value specified by the parameter waviness.
Input parameters
Parameters in boldface are required; the others are optional.| Name | Unit | Description | Default | |
| coating | Name of file containing the material data (i.e. f1 and f2) for the coating | "Be.txt" | ||
| longw | If non-zero, waviness is purely longitudinal in its nature. | 1 | ||
| radius | m | Radius of the capillary. | 1 | |
| length | m | Length of the capillary. | 0.2 | |
| R0 | Fixed constant reflectivity | 0 | ||
| rtable | if nonzero, the coating file contains an E,theta paramterized matrix of raw reflectivities. | 0 | ||
| waviness | rad | The momentaneous waviness is uniformly distributed in the range [-waviness,waviness]. | 0 |
| AT ( | , | , | ) RELATIVE | |||
|---|---|---|---|---|---|---|
| ROTATED ( | , | , | ) RELATIVE |
Links
- Source code for
Capillary.comp.
[ Identification | Description | Input parameters | Links ]
Generated on 2025-03-31 19:18:19
