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Apparatus to measure emissivities of metallic films between 90K and room temperature

Journal Article:

Abstract

The development of multilayer insulations is aerospace and cryogenic required to know the emissivity of the metallic films used as reflective layers. This work describes an emissometer that measures the total hemispherical emissivity of metallic films evaporated on polyester substrates. The apparatus works at liquid oxigen temperatures and permits to get emissivities from 90K to room temperatures within a 15% precision. The emissometer construction and operation are described in detail. Results of measurements done on Single Aluminized Mylar are presented.
Authors:
Bekeris, V I; [1]  Ramos, E D; [2]  Sanchez, D H [3] 
  1. Nunez Univ. Nacional (Argentina). Faculdad de Ciencias Exactas Y Naturales
  2. Santa Rosa Univ. Nacional (Argentina). Facultad de Ciencias Exactas Y Naturales
  3. Comision Nacional de Energia Atomica, San Carlos de Bariloche (Argentina). Centro Atomico Bariloche
Publication Date:
Sep 01, 1975
Product Type:
Journal Article
Reference Number:
AIX-10-430877; EDB-79-100455
Resource Relation:
Journal Name: Rev. Bras. Tecnol.; (Brazil); Journal Volume: 6:3
Subject:
36 MATERIALS SCIENCE; CRYOGENICS; THERMAL INSULATION; EMISSIVITY; FILMS; LAYERS; OPERATION; PLANNING; TEMPERATURE DEPENDENCE; OPTICAL PROPERTIES; PHYSICAL PROPERTIES; SURFACE PROPERTIES; 360603* - Materials- Properties
OSTI ID:
6389035
Country of Origin:
Brazil
Language:
English
Other Identifying Numbers:
Journal ID: CODEN: RBTNA
Submitting Site:
INIS
Size:
Pages: 235-242
Announcement Date:
May 01, 1979

Journal Article:

Citation Formats

Bekeris, V I, Ramos, E D, and Sanchez, D H. Apparatus to measure emissivities of metallic films between 90K and room temperature. Brazil: N. p., 1975. Web.
Bekeris, V I, Ramos, E D, & Sanchez, D H. Apparatus to measure emissivities of metallic films between 90K and room temperature. Brazil.
Bekeris, V I, Ramos, E D, and Sanchez, D H. 1975. "Apparatus to measure emissivities of metallic films between 90K and room temperature." Brazil.
@misc{etde_6389035,
title = {Apparatus to measure emissivities of metallic films between 90K and room temperature}
author = {Bekeris, V I, Ramos, E D, and Sanchez, D H}
abstractNote = {The development of multilayer insulations is aerospace and cryogenic required to know the emissivity of the metallic films used as reflective layers. This work describes an emissometer that measures the total hemispherical emissivity of metallic films evaporated on polyester substrates. The apparatus works at liquid oxigen temperatures and permits to get emissivities from 90K to room temperatures within a 15% precision. The emissometer construction and operation are described in detail. Results of measurements done on Single Aluminized Mylar are presented.}
journal = {Rev. Bras. Tecnol.; (Brazil)}
volume = {6:3}
journal type = {AC}
place = {Brazil}
year = {1975}
month = {Sep}
}