Numerical simulations of mixing flows of supercritical (SC) water and water liquid in a 3-D T-shaped circular pipe and a 3-D cross pipe are conducted using the numerical method developed by our group. The 3-D geometry is generated by Building-Cube Method (BCM) with the stepwise wall treatment. Numerical results of mixing flows in the two pipes are compared and the effect of the inlet temperature is evaluated. In the T-shaped circular reactor, the mixing is periodic and a vortex is observed at the mixing point. The mixing form certainly depends on the SC water temperature. In the counter flow reactor, the SC water flow becomes unsteady and is mixed with water liquid asymmetrically due to the rapid change of thermophysical properties and the buoyancy effect.
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ASME/JSME/KSME 2015 Joint Fluids Engineering Conference
July 26–31, 2015
Seoul, South Korea
Conference Sponsors:
- Fluids Engineering Division
ISBN:
978-0-7918-5732-8
PROCEEDINGS PAPER
Numerical Simulation of Three-Dimensional Supercritical Water Flows in Hydrothermal Synthesis Reactors With Arbitrary Geometry Available to Purchase
Takashi Furusawa,
Takashi Furusawa
Tohoku University, Sendai, Japan
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Satoru Yamamoto
Satoru Yamamoto
Tohoku University, Sendai, Japan
Search for other works by this author on:
Takashi Furusawa
Tohoku University, Sendai, Japan
Shibo Qi
Tohoku University, Sendai, Japan
Satoru Yamamoto
Tohoku University, Sendai, Japan
Paper No:
AJKFluids2015-03096, V01AT03A002; 7 pages
Published Online:
April 4, 2016
Citation
Furusawa, T, Qi, S, & Yamamoto, S. "Numerical Simulation of Three-Dimensional Supercritical Water Flows in Hydrothermal Synthesis Reactors With Arbitrary Geometry." Proceedings of the ASME/JSME/KSME 2015 Joint Fluids Engineering Conference. Volume 1A: Symposia, Part 2. Seoul, South Korea. July 26–31, 2015. V01AT03A002. ASME. https://doi.org/10.1115/AJKFluids2015-03096
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