Blended Body (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 “Tube-and- 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

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?

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