Boundary Layer Ingesting Turbo-Electric Distributed Propulsion Systems—Innovations and Challenges

A special issue of Aerospace (ISSN 2226-4310).

Deadline for manuscript submissions: closed (31 January 2018) | Viewed by 18790

Special Issue Editors


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Guest Editor
Centre for Propulsion Engineering, Cranfield University, Cranfield MK43 0AL, UK
Interests: gas turbines and propulsion; power systems and turbines
Special Issues, Collections and Topics in MDPI journals

E-Mail Website
Guest Editor
Centre for Propulsion Engineering, Cranfield University, Cranfield MK43 0AL, UK
Interests: energy and the environment; environmental impacts; gas turbines and propulsion; power systems and turbines

Special Issue Information

Dear Colleagues,

To achieve the next level of performance improvements, the aerospace industry is shifting its focus towards highly integrated propulsion systems. This will necessarily entail a significant change in aerodynamic design and system integration aspects of the technology. With an impetus on “clean green technology”, great strides are today being made in the incorporation and adaptation of more distributed hybrid electric propulsion concepts with additional benefits, through integrated boundary layer ingesting systems.

Given the highly integrated nature of these systems, a significant number of new design innovations and integration concepts have evolved in the recent past. Through the introduction of this Special Issue, we are hoping to bring to the fore some of the latest propulsion concepts and system integration aspects, while touching upon the key innovations required and the challenges that we may face in realising the technology and its potential. The breadth of coverage will range from aerodynamics of integrated propulsion systems to the design of turbo-electric/hybrid system architecture.

Authors are encouraged to submit manuscripts relating to analytical and/or experimental work in the field of distributed hybrid/turbo-electric and boundary layer ingesting propulsion systems research. The topics of interest may include propulsion system integration aerodynamics; the effects of distortion on fan performance; inlet duct design and boundary layer flow control; the design and integration of distributed propulsor/propeller to improve wing performance through the introduction of novel concepts (e.g., diverted slip stream and flap blowing concepts); and the influence of boundary layer ingesting propulsors on aircraft performance and design. This Special Issue also invites papers on topics related to system design and engineering. These may include designs and assessments of hybrid architectures (parallel/serial), electric motor and energy storage solutions, hybrid power generation, distribution and management on-board aircraft.

Dr. Panagiotis Laskaridis
Dr. Devaiah Nalianda
Guest Editors

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Keywords

  • distributed propulsion
  • hybrid/turbo-electric propulsion
  • boundary layer ingesting systems
  • propulsion system integration
  • electric system design
  • electric system architecture

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Published Papers (1 paper)

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Research

6139 KiB  
Article
Hybrid Electric Aircraft Propulsion Case Study for Skydiving Mission
by Richard Glassock, Michael Galea, Warren Williams and Tibor Glesk
Aerospace 2017, 4(3), 45; https://doi.org/10.3390/aerospace4030045 - 18 Aug 2017
Cited by 29 | Viewed by 17588
Abstract
This paper describes a case study for applying innovative architectures related to electrified propulsion for aircraft. Electric and hybrid electric propulsion for aircraft has gained widespread and significant attention over the past decade. The driver for industry interest has principally been the need [...] Read more.
This paper describes a case study for applying innovative architectures related to electrified propulsion for aircraft. Electric and hybrid electric propulsion for aircraft has gained widespread and significant attention over the past decade. The driver for industry interest has principally been the need to reduce emissions of combustion engine exhaust products and noise, but increasingly studies revealed potential for overall improvement in energy efficiency and mission flexibility of new aircraft types. In this work, a conceptual new type for a skydiver lift mission aircraft is examined. The opportunities which electric hybridisation offers for this role is analysed in comparison with conventional legacy type propulsion systems. For a conventional commercial skydiving mission, an all-electric propulsion system is shown as viable, and a hybrid-electric system is shown to reduce aircraft fuel costs and CO2 emissions whilst maintaining conventional aero-engine operational benefits. The new paradigm for aircraft development which hybrid electric propulsion enables has highlighted significant issues with aircraft certification practices as they exist today. The advancement of aircraft design and production to harness the value of new propulsion systems may require adaption and development of certification standards to cater for these new technologies. Full article
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