Reston’s Hot Zone ─ 20 Years Later

10.5580/260e ◽  
2011 ◽  
Vol 1 (1) ◽  
Keyword(s):  
Hot Zone

SEMI-CLASSICAL DESCRIPTION OF HOT ZONE DECAY

1987 ◽  
Vol 48 (C2) ◽  
pp. C2-211-C2-214
Author(s):  
J. N. DE ◽  
C. GREGOIRE
Keyword(s):  
Classical Description ◽  
Hot Zone

Entering the hot zone

2006 ◽  
Author(s):  
A. Yang ◽  
R. Chandra ◽  
S. Burke ◽  
J. A. DeLaCruz ◽  
S. Santhanam ◽  
...  
Keyword(s):  
Hot Zone

Small scale boilover and visualization of hot zone

2016 ◽  
Vol 44 ◽  
pp. 232-240 ◽  
Author(s):  
Wan Nurul Izzah Wan Kamarudin ◽  
Azizul Buang
Keyword(s):  
Small Scale ◽  
Hot Zone

Analysis of SiC CVD Growth in a Horizontal Hot-Wall Reactor by Experiment and 3D Modelling

2007 ◽  
Vol 556-557 ◽  
pp. 61-64
Author(s):  
Y. Shishkin ◽  
Rachael L. Myers-Ward ◽  
Stephen E. Saddow ◽  
Alexander Galyukov ◽  
A.N. Vorob'ev ◽  
...  
Keyword(s):  
Growth Rate ◽  
Growth Process ◽  
Three Dimensional ◽  
Chemical Species ◽  
3D Modelling ◽  
Complete Model ◽  
Cvd Growth ◽  
Dimensional Simulation ◽  
Insight Into ◽  
Hot Zone

A fully-comprehensive three-dimensional simulation of a CVD epitaxial growth process has been undertaken and is reported here. Based on a previously developed simulation platform, which connects fluid dynamics and thermal temperature profiling with chemical species kinetics, a complete model of the reaction process in a low pressure hot-wall CVD reactor has been developed. Close agreement between the growth rate observed experimentally and simulated theoretically has been achieved. Such an approach should provide the researcher with sufficient insight into the expected growth rate in the reactor as well as any variations in growth across the hot zone.

The Influence of Various Gypsum Dosage, Specific Area of Cement and Water Reducers on Bleeding of Fresh Cement Paste Using Low-Field NMR

2021 ◽  
Vol 1036 ◽  
pp. 255-262
Author(s):  
Yan Liang Ji ◽  
Zhen Ping Sun ◽  
Min Pang
Keyword(s):  
Cement Paste ◽  
Specific Area ◽  
High Water ◽  
Low Permeability ◽  
Cement Pastes ◽  
Bleeding Rate ◽  
Low Field ◽  
Low Field Nmr ◽  
Type Water ◽  
Hot Zone

Based on the low-field NMR, this study inveitigated bleeding property of the fresh cement pastes mixed with various gypsum dosage, specific area of cement and water reducers. Results showed that the gypsum dosage between 3 % and 5 % will cause an decrease bleeding and a lower bleeding velocity, while a 1 % gypsum dosage will increase the bleeding as a function of time. The increase of the cement surface will lead to a less bleeding rate. This can be explained that the finer particle will contribute to the packing which will form a low permeability of the cement paste, as a result less bleeding water is observed. The PCEs-made sample has smaller hot zone area which indocated the PCEs has good bleeding stability when varing water cement ratio. Furthermore, bying comparing with the NPE, it was found the ACS type water reducer has higher bleeding sensitivity when high water cement ratios were used.

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