Provider: ingentaconnect
Database: ingentaconnect
Content: application/x-research-info-systems
TY - ABST
AU - Montalvo, Joseph G.
TI - A Comparative Study of NIR Diffuse Reflectance of Cottons Grouped According to Fiber Cross-Sectional Dimensions. Part II: Optical Path Simulations
JO - Applied Spectroscopy
PY - 1991-06-01T00:00:00///
VL - 45
IS - 5
SP - 790
EP - 794
KW - Near-infrared reflectance spectroscopy
KW - Simulations
KW - Comparative reflectance model
KW - Cotton fiber dimensions
KW - Optical path
N2 - In Part I of this series, a model was proposed to predict the comparative NIR reflectance of cottons grouped according to cross-sectional dimensions. The critical assumption in the model is that total fiber length in the diffuse reflectance optical path is constant among cottons of
the same perimeter. This paper introduces an alternative assumption: that the volume of solid cellulose (i.e., mass) in the diffuse reflectance optical path is constant for cottons of the same perimeter. Optical path simulations are used to predict the consequences of either assumption. One
method of simulation is based on diffuse reflectance calculations and the other on relating diffuse reflectance to diffuse transmittance. In the diffuse reflectance calculations, 13 variables are included in the simulation model. Relating reflectance to transmittance is justified because sample
weights for the latter can be selected *a priori* to produce either a constant total fiber length or a constant volume of solid cellulose in the optical path. The simulations support the premise that the critical assumption in the comparative reflectance model is correct. The study goes
further to produce diagnostic criteria from the simulation results for testing the assumptions.
UR - http://www.ingentaconnect.com/content/sas/sas/1991/00000045/00000005/art00013
M3 - doi:10.1366/0003702914336606
UR - http://dx.doi.org/10.1366/0003702914336606
ER -