Date: March 1, 1996
Creator: Kadambi, J.R.; Yurteri, C. & Assar, M.
Description: This report describes the work done in the fifth year of this project. The objectives of this five year plan of study were to experimentally obtain a basic understanding of (1) turbulent flow structure of the mixing zone and its influence on particle dispersion, (2) the effect of particle loading on turbulent properties and mixing, (3) the effect of jet entrainment, (4) water spray-sorbent interaction, sorbent wetting and mixing, (5) investigate the flow field where certain ratios of jet velocity to flue gas velocity result in regions of negative flow and define onset of negative flow, and (6) sorbent reactivity in immediate mixing zone. Some of the highlights for this period are: sorbent injection facility was modified by adding a heater so as to simulate the higher flue gas temperatures; spray cocurrent flow interaction tests were conducted at the higher temperatures; tests were conducted with particle laden jet to understand the cocurrent flow particle interactions and flow reversals; tests were conducted on two new swirl nozzles and the simple nozzle; test data indicated better mixing characteristics for the swirl nozzles; test results with simulated flue gas indicate substantial improvement, up to 140%, in sulfur capture by lime when swirl nozzle ...
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