STUDIES ON SUBLIMATION COEFFICIENT OF ICE
نویسندگان
چکیده
منابع مشابه
The Sublimation of Ice in Vacuum
A n a c c o u n t is g iven of e x p e r i m e n t s on t h e r a t e of s u b l i m a t i o n of ice in v a c u u m a n d in t he p r e sence of a sma l l a m o u n t of air. T h e r e su l t s s h o w t h a t t h e g a s k ine t i c a c c o m o d a t i o n coef f ic ien t of t h e ice b e t w e e n 4 0 a n d 6 0 ° C lies n e a r u n i t y . Also i t a p p e a r s t h a t t h e m a x i m u m s...
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A remnant of Taylor Glacier ice rests beneath a 40-to-80-cm-thick layer of sublimation till in central Beacon Valley, Antarctica. Our 1-D vapor diffusion model, with input from micrometeorological data collected during the 2004 austral summer, shows that vapor flows into and out of sublimation till at rates dependent on the non-linear variation of vapor concentration with depth. Although measur...
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In their pioneering work, Leighton and Murray argued that the Mars atmosphere, which at present is 95% carbon dioxide, is controlled by vapor equilibrium with a much larger polar reservoir of solid carbon dioxide. Here we argue that the polar reservoir is small and cannot function as a long-term buffer to the more massive atmosphere. Our work is based on modeling of the circular depressions com...
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The outside convective heat transfer coefficient (CHTC) of building roof is an important parameter for accurately calculating heat transfer through roof and simulating airflow around buildings. However, the correlations concerning CHTC in various studies seem to be discrepant. The experiment using naphthalene method to measuring CHTC was carried out on a nine-story building roof during 15 Augus...
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Introduction: The McMurdo Dry Valleys of Antarctica have commonly been used as an analog for Mars; analogies are due in part to the regions hyperarid and cold climate as well as its abundance of similar-appearing microscale and macroscale morphological features such as gullies, lineated valley fill, and polygons [eg. 1,2,3]. With the recent direct observations of water ice on Mars from the NASA...
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ژورنال
عنوان ژورنال: JOURNAL OF CHEMICAL ENGINEERING OF JAPAN
سال: 1975
ISSN: 0021-9592,1881-1299
DOI: 10.1252/jcej.8.277