Blended Wing Body Unmanned Aerial Vehicle (BWB UAV) Prof. Mostafa El-Sayed & Prof. Fidel Khouli 2019-2020 Project Overview • Peregrine-1 UAV • Peregrine-2 UAV 2 DESIGNS • Blended-Wing-Body Configuration • Additive Manufacturing 4 UNIQUE • Multiscale Design Optimization FEATURES • Autonomous Flight • Design • Build • Test 4 GOALS • Fly Blended Wing Body (BWB) UAV Concepts The Peregrine-1 Concept & Mission Profile The Peregrine-2 Concept & Mission Profile UAS Weight: 8.79 kg (19.4 lb) Wingspan: 2.14 m 0-1 Warm up and takeoff: • Mach 0.04 (24.2 kts) • 8 m (26 ft) 1-2 Climb: • Rate of climb: 4.5 m/s (14.8 ft/s) 2-3 Cruise: • Mach 0.1 (67 kts) • 100 m (328 ft) • 20 mins 3-4 Loiter: • Mach 0.05 (33 kts) 4-5 Landing: • Rate of descent: 0.9 m/s (3 ft/s) The Blended Wing Body (BWB) Configuration Conventional Flying Wing “Tube-and- Aircraft Wing” Aircraft Blended Wing Body Aircraft https://en.wikipedia.org/wiki/Flying_wing, https://www.businessinsider.com/bombardier-c-series-37-billion-air-canada-order-falls-short-of-endorsement-it-needs-2016-2, https://www.wired.com/story/airbus-maveric-blended-wing-jet/ The Blended Wing Body (BWB) Configuration BWB Config For Military Applications Northrop Grumman B-2 Spirit Lockheed F-117 Nighthawk First Flight: 17 July 1989 First Flight: 18 June 1981 Northrop Grumman X-47B UCAS Northrop Grumman B-21 Raider First Flight: 04 February 2011 Under Development https://en.wikipedia.org/wiki/Northrop_Grumman_B-2_Spirit, https://en.wikipedia.org/wiki/Lockheed_F-117_Nighthawk, https://en.wikipedia.org/wiki/Northrop_Grumman_X-47B The Blended Wing Body (BWB) Configuration Potential Benefits of the BWB Config in Civil Aviation http://www.twitt.org/BWBBowers.html The Blended Wing Body (BWB) Configuration Potential Benefits of the BWB Config in Civil Aviation Multiscale Design Optimization (MSDO) ● Reduce weight of the UAV’s airframe ● Increased load-carrying capacity ● Mission specific design of the structure ● Combination of topology optimization and lattice structure design Targeted Webs of Spars in Wings Preliminary Results Additive Manufacturing ● Reduced material wastage ● Rapid implementation of design changes (rapid prototyping) ● Enables use of MSDO and lattice structures ● Fuse Deposition Modelling (FDM) employed Autonomous Flight ● Build & test fly aircraft models ● Implement a clean sheet design of an Autopilot controller ● Simulate various aircraft configurations & flight modes ● Analyze flight data logs for improvements Blended Wing Body Unmanned Aerial Vehicle (BWB UAV) Progress to Date YEAR PROGRESS/OBJECTIVE 1 (2017-2018) • Design of Peregrine-1 and Peregrine-2* • Preliminary analysis of Peregrine-1* 2 (2018-2019) • Review of Peregrine-1 design* • Analysis of Peregrine-1* • Developing the MSDO process* 3 (2019-2020) • Completing the MSDO process and finalize design of the Peregrine-1* • Building the autonomous flight controller* • Manufacture and flight-testing of the Peregrine-1* 4 (2020-2021) • Review of Peregrine-2 design • Analysis of Peregrine-2 • Manufacturing and flight-testing of Peregrine-2 * Denotes items that have been completed or that are in progress Project Team Structure Project Integration* • Technical (x2) • Administrative (x2) Loads Engineering Master-lines Engineering Systems & Performance Engineering Control Laws (x2) Wind Tunnel Engineering Avionics Engineering (x2) Composite Manufacturing (x2) Additive Manufacturing Structure/Stress Engineering (x2) Assembly Engineering (x2) * Project Integrators also take on a technical role 12 Questions? 13.