Braithwaite, DJ
1988
Effective Sorbent Mixing in a Simulated Entrained-Flow Reactor: A Cold Flow Study
Braithwaite, D.J. and Hedman, P.O.
AIChE Annual National Meeting, Washington, DC, 1988. Funded by ACERC (National Science Foundation and Associates and Affiliates).
The injection of sorbent particles into an entrained-flow coal reactor was simulated by the injection of a jet normal to a fully developed airflow. Effects investigated were the free stream Reynolds number, jet size and velocity, and number of jets. Test techniques included smoke injection for flow visualization, tracer gas extraction, and laser-Doppler velocity measurements. The results showed that the trajectory of a jet in cross flow is dependent on the jet to main flow momentum ratio, as well as the size of the jet. Buoyancy played an important role in jet behavior at low free stream Reynolds numbers. Greater turbulence intensity and enhanced mixing occurred when the jet momentum was sufficient to cause the jet to impinge on the opposing wall or another jet.
Braithwaite, DJ
1988
Effective Sorbent Mixing in a Simulated Entrained-Flow Reactor: A Cold Flow Study
Braithwaite, D.J. and Hedman, P.O.
AIChE Annual National Meeting, Washington, DC, 1988. Funded by ACERC (National Science Foundation and Associates and Affiliates).
The injection of sorbent particles into an entrained-flow coal reactor was simulated by the injection of a jet normal to a fully developed airflow. Effects investigated were the free stream Reynolds number, jet size and velocity, and number of jets. Test techniques included smoke injection for flow visualization, tracer gas extraction, and laser-Doppler velocity measurements. The results showed that the trajectory of a jet in cross flow is dependent on the jet to main flow momentum ratio, as well as the size of the jet. Buoyancy played an important role in jet behavior at low free stream Reynolds numbers. Greater turbulence intensity and enhanced mixing occurred when the jet momentum was sufficient to cause the jet to impinge on the opposing wall or another jet.