This paper evaluates the potential benefits of applying hybrid parallel propulsion architectures to future turboprop aircraft that are expected enter into service in 2030. Two baseline models established by infusing viable 2030 airframe and engine technologies on state-of-the-art 19-passenger 50-passenger models. parametric proposed applied both size classes: Architecture 1 has two propellers, each driven an electric motor parallel, allows in-flight recharging; 2 four either or motor,...

This paper explores the design spaces of a thin-haul and regional aircraft with parallel hybrid-electric propulsion architectures for 2030 entry into service date. Notional technology reference models were developed 19- 50-passenger based on publicly available data Beechcraft 1900D ATR 42-600, respectively. A set airframe system technologies projected to reach maturity by was infused models. Parametric, physics-based created charge-depleting hybrid architecture. Different modes operation...

Distributed electric propulsion (DEP) concepts leverage the synergistic benefits of aeropropulsive coupling and improve overall flight efficiency by placing propulsors at optimal locations, such as wingtip. However, far away from aircraft centerline may bring difficulties in complying with critical-engine-inoperative certification rules. To investigate impact requirements on DEP design, this paper takes NASA’s PEGASUS concept a use case presents study certification-constrained vertical tail...

With the rapid development of distributed generations (DGs) and interruptible loads (ILs), distribution network company can actively purchase electricity in market instead playing as a traditional passive purchaser. This study proposes stochastic bi‐level model‐based strategic trading model for an active (ADisCo) which operates (ADN) to maximise its profit market. Uncertainties pertaining bidding offering prices other rivals’, imbalance balance productions DGs are considered via programming....

This paper explores the design spaces of a thin-haul and regional aircraft with parallel hybrid electric propulsion architectures an entry into service date 2030. Notional technology reference models were developed for 19- 50-passenger based on publicly available data Beechcraft 1900D ATR 42-600, respectively. Advanced by infusing set selected airframe system technologies projected to reach maturity by2030. Matlab NPSS-based parametric, physics-based created charge depleting architecture....

This paper presents a parametric modeling and integrated sizing approach for charge-depleting parallel hybrid electric aircraft. The powertrain model is within regional aircraft with an entry-into-service of 2030-2035. In addition to the physical architecture, different operational modes enabled by hybridization propulsion system are modeled parametrically. operation presented in this peak power shaving, climb boost, in-flight battery recharging, taxi. performed multidisciplinary analysis...

Airworthiness certification is a mandatory but expensive process in aircraft development. To reduce cost, it desired to incorporate considerations into early design stages. The tradeoff between performance and constraints the interactions behind-the-scene disciplines require multidisciplinary optimization (MDO) method implemented considerations. Several MDO frameworks currently exist with mixing levels of fidelity coupling. However, few them capture impacts on overall performance. Moreover,...

The aerospace industry's current trend towards novel or More Electric architectures results in some unique challenges for designers due to both the scarcity absence of historical data and a potentially large combinatorial space possible architectures. These add already existing attempting optimize an aircraft design presence multiple objective functions while avoiding overly compartmentalized approach. This paper uses Integrated Subsystem Sizing Architecture Assessment Capability pursue...

The use of active flow control technology for augmentation aircraft aerodynamic performance is considerable interest to the aerospace industry. Research date has included subscale and full-scale wind-tunnel experiments as well limited flight-test demonstrations. Out several possible applications commercial aircraft, this paper focuses on its application high-lift devices, which may permit weight drag reduction through simplification flap mechanism. These, however, must be traded off against...

Following the conceptual phase of aircraft design, sizing and performance estimations shift from historical-based empirical equations to physics-based simulations. The initial configuration is refined with a larger number objectives requirements, certification regulations play critical role in defining these. Analysis tools early phases preliminary design have an important trade-off between accuracy, complexity, computational efficiency. A analysis frameworks currently exist varying levels...

Electrified aircraft propulsion concepts are rapidly emerging due to their huge potential in fuel saving and mitigating negative environmental impact. In order perform a linear technology progression fairly assess the impacts of powertrain electrification, it is important first establish parametric state-of-the-art baseline vehicle models with advanced technologies matured by 2030. For thin haul (19-passenger) turboprop size class regional (50-passenger) class, current reference (TRA)...

The hybrid wing body (HWB) configuration is a paradigm shift in commercial transport aircraft design terms of environmentally responsible characteristics and significant performance improvements over the conventional tube-and-wing configuration.However, sizing methods analysis tools used conceptual are not fully compatible with HWB due to highly integrated fuselage wing.This paper proposes novel approach perform parametric optimization at phase, develops an interdisciplinary framework which...

With widely utilization of distributed generations (DGs) and demand response (DR), the active distribution network (ADN) becomes a more proactive strategic consumer in electricity markets to procure its energy needs at minimum cost. Under this background, paper proposes bi-level trading model for ADN minimize operation cost day-ahead market. The upper level represents minimization acquisition with consideration DR, lower includes market clearing. Based on complementarity theory linearization...

View Video Presentation: https://doi.org/10.2514/6.2022-3204.vid The Parallel Electric-Gas Architecture with Synergistic Utilization Scheme (PEGASUS) is a regional aircraft concept developed by NASA's Aeronautics Systems Analysis Branch to explore the opportunities created technology of electric propulsion. It features distributed parallel hybrid-electric propulsion architecture two wingtip-mounted propulsors, inboard motors, and one aft boundary layer ingestion motor. Although PEGASUS has...

This paper presents a parametric modeling and integrated sizing approach for 50-passenger regional short takeoff landing propeller aircraft with parallel hybrid electric powertrain. In order to isolate the impact due powertrain hybridization component technologies, an advanced baseline model conventional is first established by infusing viable 2030 airframe engine technologies on based De Havilland DHC-7 aircraft. A parametric, physics-based true-parallel then developed which can operate in...

This article proposes a short-term operation model for an active distribution company (ADisCo) acting as producer to maximize its profit from selling energy in electricity markets. The is constructed based on 3-stage stochastic programming framework represent the trading day-ahead market, adjustment and real-time well uncertainties about market prices distributed generations (DGs). A novel optimal of network developed integrated into address securities congestions voltage violations because...

The aerospace industry's current trend towards novel or More Electric architectures results in some unique challenges for designers due to both a scarcity absence of historical data and potentially large combinatorial space possible architectures.These add the already existing attempting optimize an aircraft design presence multiple objective functions while avoiding overly compartmentalized approach.This paper uses Integrated Subsystem Sizing Architecture Assessment Capability pursue...