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Title of Journal: Int J Thermophys

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Abbravation: International Journal of Thermophysics

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Springer US

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DOI

10.1016/0011-2240(72)90175-7

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1572-9567

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Study on Reducing the SizeofSource Effect of Pyr

Authors: X Lu Z Yuan X Hao
Publish Date: 2011/11/24
Volume: 32, Issue: 11-12, Pages: 2579-2586
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Abstract

The sizeofsource effect SSE is an important uncertainty source in radiation thermometry when radiation targets with different sizes are measured In this article a test pyrometer was established to study the way to reduce the SSE The most dominant factors that influence the SSE include the quality and surface condition of the objective lens the placement and diameter of the aperture stop and the inner baffles Through an optimized lens and redesign of the aperture stop and baffles the SSE of the test pyrometer is reduced to 2 × 10−4 when a 50 mm diameter radiance source with a 4 mm diameter central obscuration is used The improvement method is applied to the primary standard pyrometer for which the SSE is reduced to less than 1 × 10−4

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  2. Measurements and Correlations of cis -1,3,3,3-Tetrafluoroprop-1-ene (R1234ze(Z)) Subcooled Liquid Density and Vapor-Phase PvT
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  4. Radiative Properties of Gold Surfaces with One-Dimensional Microscale Gaussian Random Roughness
  5. Measurements of the Liquid Viscosities of Mixtures of n -Butane, n -Hexane, and n -Octane with Squalane to 30 MPa
  6. Development and Applications of Continuous-Wave Cavity Ring-Down Spectroscopy
  7. Correlation and Prediction of Dense Fluid Transport Coefficients. IX. Ionic Liquids
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  9. Thermal Radiation Phenomena of Surfaces of Chromium and Palladium in a High-Temperature Environment
  10. Comsol Simulations as a Tool in Validating a Measurement Chamber
  11. A Differential Temperature-Dependent Dielectric Relaxation Study of Organoclay Cloisite$$^{\mathrm{}}$$
  12. A Study of Some Thermophysical Parameters in Glassy $$\mathrm{{Se}}_{80}\mathrm{{Te}}_{20}$$ and $$\mathrm{{Se}}_{80}\mathrm{{Te}}_{10}\mathrm{{M}}_{10}$$Se80Te10M10 (Cd, In, and Sb) Alloys
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