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Quantitative spectroscopic studies on the infrared absorption by water vapor and liquid water

Citation

Goldstein, Robert (1964) Quantitative spectroscopic studies on the infrared absorption by water vapor and liquid water. Dissertation (Ph.D.), California Institute of Technology. http://resolver.caltech.edu/CaltechETD:etd-09182002-095900

Abstract

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Measurements have been made of the integrated intensities and spectral absorption coefficients of water vapor in the 1.38[micron], 1,87[micron], 2.7[micron], and 6.3[micron] regions at temperatures up to [...], using sufficient self-broadening to remove the rotational fine structure. The experiments were performed in a specially designed, isothermal high-pressure absorption cell supplied with vapor from a liquid water reservoir submerged in a constant temperature oil bath.

In addition, theoretical calculations of the spectral absorption coefficients of water vapor at elevated temperatures have been performed using a just-overlapping line model and the results have been compared with the experimental data.

The spectral absorption coefficients of liquid water have been measured in the wave number regions from 2200 to 3000 cm[superscript -1] and from 3700 to 7600 cm[superscript -1] at temperatures of 27, 89, 159, and 209[degrees]C. From these data, the integrated intensities of the absorption bands at 1.45[microns] and 1.93[microns] have been determined. The experimental data have also been used, in a highly simplified analysis, for the determination of hydrogen bonding in liquid water on the assumption of clusters containing only zero, one or two hydrogen bonds per molecule.

The change in the infrared absorption of gaseous and liquid water has been further investigated by measuring the transmission of infrared radiation through equal optical depths of liquid water and of water vapor near the limits of saturation.

Item Type:Thesis (Dissertation (Ph.D.))
Degree Grantor:California Institute of Technology
Division:Engineering and Applied Science
Major Option:Engineering and Applied Science
Thesis Availability:Public (worldwide access)
Research Advisor(s):
  • Unknown, Unknown
Thesis Committee:
  • Unknown, Unknown
Defense Date:16 December 1963
Record Number:CaltechETD:etd-09182002-095900
Persistent URL:http://resolver.caltech.edu/CaltechETD:etd-09182002-095900
Default Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:3606
Collection:CaltechTHESIS
Deposited By: Imported from ETD-db
Deposited On:18 Sep 2002
Last Modified:26 Dec 2012 03:01

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