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HomeMy WebLinkAboutSP-18-57 - Supplemental - 1200 Airport Drive (4)Breakaway Thrust CFD Simulation Boeing B737-900 & BDI G14NB JBD Richard Kirkman, PhD Blast Deflectors, Inc 11/13/18 Model Description •Boeing 737-900 with both engines running at breakaway thrust •BDI G14NB taxi/breakaway jet blast deflector (JBD) •JBD: Approximately 14 ft tall and 600 ft wide •Aircraft tail 100 ft from front edge of JBD •Simulation performed with computational fluid dynamics (CFD) using a compressible flow algorithm •Velocity magnitude data are given in the following images in miles per hour Flow Field Overview (front) Streamlines of jet engine efflux Flow Field Overview (rear) Streamlines of jet engine efflux Flow Field in Vertical Cut-Plane Through Engine 1 Centerline Jet Blast Deflection Envelope Flow Field in Vertical Cut-Plane 80 ft Behind JBD Maximum Velocity Magnitude is 19.16 MPH in the vertical plane, and well above ground level SUPPLEMENTARY SLIDES Flow Field Overview (front) Streamlines of jet engine efflux Flow Field in Vertical Cut-Plane 80 ft Behind JBD Maximum Velocity Magnitude is 19.16 MPH in the vertical plane, and approximately 112’ above ground level JBD 14’tall