In a groundbreaking collaboration, BMW and Clemson University have pushed the boundaries of solar-powered automotive design. Their latest prototype, Deep Orange 17, explores the potential of a vehicle producing more energy than it consumes. Dubbed “Luminetta,” this innovative car challenges traditional concepts of energy use in transportation.
Revolutionizing Energy Efficiency
BMW tasked Clemson students in 2024 with the ambitious goal of creating an electric vehicle that generates more energy than it uses during an average day. The resulting prototype, Luminetta, weighs only 1,212 pounds, a mere fraction of the weight of conventional electric vehicles. This significant reduction in weight was achieved through the use of a multi-material structure, incorporating steel, aluminum, carbon-fiber, and 3D-printed metal joints. Such a lightweight design offers both performance and efficiency benefits.
The students optimized various systems, including power electronics, torque distribution, and regenerative braking, to minimize energy losses. This meticulous engineering effort highlights a blend of innovative thinking and traditional automotive excellence.
Harnessing Solar Power
The Luminetta incorporates over 1,700 photovoltaic cells into its body panels, enabling it to generate power even when partially shaded. The design team modeled sunlight and weather conditions from locations like Frankfurt, Madrid, Mumbai, and Greenville, South Carolina, to evaluate the system’s effectiveness. Under these modeled conditions, the car could produce enough solar energy to cover a daily 12-mile commute and still provide an additional 31 miles of range.
A Nod to BMW’s Legacy
The name “Luminetta” reflects both the car’s solar capabilities and BMW’s design heritage. The design subtly nods to the iconic BMW Isetta while incorporating modern features such as Apple CarPlay and Android Auto.
Beyond Production Intent
The Deep Orange 17 project serves as an experiment in pushing technological boundaries rather than a precursor to a production vehicle. Its unique design and construction pose challenges for meeting modern production standards. However, the insights gained from this project could influence future research in solar-cell integration, lightweight construction, and energy management. This collaboration between BMW and Clemson continues a partnership that has spanned over two decades.
This innovative project highlights the potential of integrating renewable energy sources in automotive design, paving the way for more sustainable transportation solutions in the future.
Original Story at www.bmwblog.com
