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Effectiveness of the Compound Helicopter Configuration in Rotorcraft Performance Increase
transactions on aerospace research 4(261) 2020, pp.81-106 DOI: 10.2478/tar-2020-0023 eISSN 2545-2835 effectiveness of the compound helicopter configuration in rotorcraft performance increase Jarosław stanisławski Retired doctor of technical sciences [email protected] • ORCID: 0000-0003-1629-4632 abstract The article presents the results of calculations applied to compare flight envelopes of varying helicopter configurations. Performance of conventional helicopter with the main and tail rotors, in the case of compound helicopter, can be improved by applying wings and pusher propellers which generate an additional lift and horizontal thrust. The simplified model of a helicopter structure, consisting of a stiff fuselage and the main rotor treated as a stiff disk, is applied for evaluation of the rotorcraft performance and the required range of control system deflections. The more detailed model of deformable main rotor blades, applying the Galerkin method, is used to calculate rotor loads and blade deformations in defined flight states. The calculations of simulated flight states are performed considering data of a hypothetical medium class helicopter with the take-off mass of 6,000kg. In the case of both of the helicopter configurations, the articulated main rotor hub is taken under consideration. According to the Galerkin method, the elastic blade model allows to compute blade deformations as a combination of the blade bending and torsional eigen modes. Introduction of additional wing and pusher propellers allows to increase the range of operational speed over 300 km/h. Results of the simulation are presented as time- runs of rotor loads and blade deformations and in a form of disk distribution plots of rotor parameters. -
Australian ANTARCTIC Magazine ISSUE 18 2010 Australian
AusTRALIAN ANTARCTIC MAGAZINE ISSUE 18 2010 AusTRALIAN ANTARCTIC ISSUE 2010 MAGAZINE 18 The Australian Antarctic Division, a Division of the Department of the Environment, Water, Heritage and the Arts, leads Australia’s Antarctic program and seeks CONTENTS to advance Australia’s Antarctic interests in pursuit of its vision of having ‘Antarctica valued, protected EXPLORING THE SOUTHERN OCEAN and understood’. It does this by managing Australian government activity in Antarctica, providing transport Southern Ocean marine life in focus 1 and logistic support to Australia’s Antarctic research Snails and ‘snot’ tell acid story 4 program, maintaining four permanent Australian research stations, and conducting scientific research Science thrown overboard 6 programs both on land and in the Southern Ocean. Antarctica – a catalyst for science communication 8 Australia’s four Antarctic goals are: First non-lethal whale study answers big questions 9 • To maintain the Antarctic Treaty System Journal focuses on Antarctic research 11 and enhance Australia’s influence in it; • To protect the Antarctic environment; BROKE–West breaks ground in marine research 11 • To understand the role of Antarctica in EAST ANTARCTIC CENSUS the global climate system; and Shedding light on the sea floor 13 • To undertake scientific work of practical, economic and national significance. Plankton in the spotlight 15 Australian Antarctic Magazine seeks to inform the Sorting the catch 16 Australian and international Antarctic community Using fish to identify ecological regions 17 about the activities of the Australian Antarctic program. Opinions expressed in Australian Antarctic Magazine International flavour enhances Japanese research cruise 18 do not necessarily represent the position of the Australian Government. -
Australian ANTARCTIC Magazine ISSUE 12 2007
AUStraLian ANTARCTIC MAGAZinE ISSUE 12 2007 THE INTERNATIONAL POLAR YEAR www.aad.gov.au AUStraLian ANTARCTIC MAGAZinE ISSUE 12 2007 Contents The Australian Antarctic Division (AAD), an agency Welcome to the International Polar Year 1 of the Department of the Environment and Water Resources, leads Australia’s Antarctic programme Celebrating a common vision 2 and seeks to advance Australia’s Antarctic interests Around the world in 365 days 4 in pursuit of its vision of having ‘Antarctica valued, protected and understood’. It does this by managing Long-hidden seabed life uncovered 6 Australian government activity in Antarctica, providing transport and logistic support to Australia’s Understanding the role of the Southern Ocean in climate 8 Antarctic research programme, maintaining four Getting the measure of sea ice 10 permanent Australian research stations, and conducting scientific research programmes both Taking the Antarctic Arctic Polar Pulse 11 on land and in the Southern Ocean. Aliens in Antarctica 11 Australia’s four Antarctic goals are: Antarctic ozone: New insights from the International Polar Year 12 • To maintain the Antarctic Treaty System and enhance Australia’s influence in it; International Antarctic Institute 14 • To protect the Antarctic environment; Surfing the building technology wave 14 • To understand the role of Antarctica in the global climate system; and Davis station turns 50 15 • To undertake scientific work of practical, Aurora Australis continues her Antarctic service 15 economic and national significance. From Hobart to Antarctica and back again 16 Australian Antarctic Magazine seeks to inform the Australian and international Antarctic community Solar linkages to atmospheric processes 18 about the activities of the Australian Antarctic Aviation in Antarctica reaches new heights 20 programme. -
HIAPL MDP Issue FINAL__Co
Contents Page Executive Summary 1 1 Introduction 3 1.1 Project overview and background 3 1.2 Aircraft Code 4 1.3 Project Proponent 7 1.4 Report Structure 7 2 Project description 9 2.1 Project rationale and objectives 9 2.2 Location of proposed development 13 2.3 Proposed design 13 2.4 Construction methodology 24 2.5 Project staging and timing 25 3 Legislative context 27 3.1 Introduction 27 3.2 Consistency with Commonwealth legislation 27 3.3 Consistency with Airport Lease 32 3.4 National Airports Safeguarding Framework 33 3.5 Consistency with Airport Master Plan 34 3.6 Consistency with Airport Environment Strategy 37 3.7 Consistency with State and Local Government Planning 38 4 Assessment methodology 47 4.1 Assessment scope 47 4.2 Assessment technique 47 5 Assessment of impacts and proposed mitigation measures 50 5.1 Introduction 50 5.2 Resource use 52 5.3 Land use 53 5.4 Geology and soils 56 5.5 Surface and groundwater 63 5.6 Biodiversity 66 5.7 Cultural Heritage 73 5.8 Air Quality 74 5.9 Aircraft Noise 79 5.10 Ground-based noise 93 Hobart International Airport Major Development Plan 5.11 Hazardous materials 95 5.12 Traffic and transport 96 5.13 Social 105 5.14 Economy and employment 108 5.15 Visual Impact Assessment 115 5.16 Aviation safety 125 5.17 Services 133 6 Impact Summary 136 7 Consultation 143 7.1 Informal consultation 144 7.2 Formal pre-release consultation 145 7.3 Formal public comment period consultation 145 8 Conclusion 147 9 References 148 Tables Table 1: Aerodrome Reference Code 4 Table 2: The Project’s compliance with -
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Antarctic express Flying Australia’s Antarctic airlink A319 to the ice story and photos by Dan Colborne Eighty-one years ago a ski- scientists and also reducing the environ- to Hobart with fuel reserves intact. This equipped black Lockheed mental footprint of ship transport. capability overcame the three primary hur- Vega took off from the sea ice The need for an airlink to access the dles in establishing the airlink – it removed Australian Antarctic Territory – an area of the safety concerns associated with weather on the Antarctic Peninsula on just under six million square kilometres or deteriorating past points of no return asso- the first flight over the frozen 43 per cent of the icy continent – had been ciated with C-130 type aircraft; it removed continent. Its pilot, the then identified for several decades. However, the the environmental concerns about trans- famous Australian adventurer challenges of overcoming a combination of porting and storing large amounts of fuel the long distance from Australia to Antarc- within the pristine Antarctic environment; Sir Hubert Wilkins, could never tica, no alternate landing sites near Casey, and it saved the large expense of establish- have imagined that one day strong headwinds, frequent poor weather ing an alternate aerodrome and facilities at a passenger jet would run a and environmental concerns over runway Bunger Hills, 250nm away. construction delayed the implementation of In time, the opportunities that an inter- weekly service to a runway the Australian airlink until recently. continental aircraft could offer both the bearing his name carved out of In 1999, the AAD began a tender process AAD and other nations’ research programs solid blue ice on a large glacier. -
Russian Helicopters to Make Aircraft for Regional
www.aeromag.in n March - April 2018 | Vol 12 | Issue 2 HAL Invites Private Players to Manufacture ALH Dhruv in association with Society of Indian Aerospace Technologies & Industries Advertising is all about visibility We provide you the Maximum Advertise with AEROMAG Official Show Dailies For details Contact : Preethi M | Email: [email protected] | [email protected] Mob: +91 9448447509 1 AEROSPACE th 5 DEFENCE Edition DIRECTORY A Compendium of Aerospace & Defence Industries in association with SOCIETY OF DEFENCE TECHNOLOGISTS 2018 -19 4A Unique Platform Connecting Aerospace & Defence Industries Globally 4More than 1200 Company Profiles 4Contact Address, Product Details 4Details of R & D Facilites 4List of Indian and Overseas Partners 4Certification Details 4Joint Venture Partner Details Pre - Publication Offer 4DPSU, DRDO, Private Industry Listing Cost : Rs. 2000 + 12% GST 4Product, Category Wise Indexing For Copies of the Directory Please Contact: Email : [email protected] Mob : +91 9448447509 / 9449061925 / 9480551925, Tel : +91 - 80-25284145 AEROMAG ASIA Aeronautical Society of India Building, Suranjandas Rd, Off Old Madras Rd, Bangalore - 560 075, Karnataka, India EOS GmbH India Branch Office( Electro Optical Systems)No.36, Sivananda Nagar, Kolathur| T : +91 80 25604055 / 9449061925. Email :[email protected] | www.aeromag.in 2 Chennai-600 099, IndiaPhone +91 443 964 8000 | 3 Fax +9144 3964 8099 | Mobile:+91984 003 3223 formnext_AufstellerA5_Linde.Liebherr.Ariane.Nextgeneration.Tireapplication.indd 3 09.11.2017 11:24:25 EDITORIAL The tenth edition Def expo India , the biennial Land, Naval and Internal Homeland Security Systems Exhibition, to be held at Chennai, Tamil Nadu, Content Editorial Advisory Board from 11th to 14th April 2018 offers an excellent 6 Countdown Begins for Defexpo 2018 Dr. -
FAST Magazine 42
TECHNOLOGY SUPPORT AIRWORTHINESS FLIGHT 2008 JULY F AST 42 AIRBUS TECHNICAL MAGAZINE FAST 42 CUSTOMER SUPPORT AROUND THE CLOCK... AROUND THE WORLD Dear Airbus friends, What makes a technical magazine a ‘good’ technical magazine? No doubt one of the most important ingredients is the relevancy and quality of its contents, but so is the quality of its layout. A good technical article is one that conveys accurate, sometimes complex, and useful data in a meaningful and easy way to understand. This is where the quality of the layout, design and illustrations play an important role. These three attributes serve the article to make it easy to read and help the writers pass on their complex technical messages to the reader. The layout must render complex subjects WORLDWIDE more accessible and the photos and illustrations must contribute Bruce Jones to a better understanding of the article. Senior Vice President Services & Customer Support Tel: +33 (0)5 61 93 35 04 You may wonder why I am writing an editorial about this today? Fax: +33 (0)5 61 93 41 01 Indeed, we very seldom include an editorial in regular issues USA/CANADA of FAST magazine and only do it for very special occasions. François Mourareau Well, this is the case today… at least in FAST magazine history! Senior Vice President Customer Services Tel: +1 (703) 834 3506 I would like to pay tribute to a person without whom Fax: +1 (703) 834 3463 this magazine would not be what it is today. CHINA Customer support centres This is Mrs Agnès Massol-Lacombe - the art director of FAST. -
Daily News the European Rotorcraft Technology Launchpad
DAILY NEWS THE EUROPEAN ROTORCRAFT TECHNOLOGY LAUNCHPAD Airbus dominates DAY THREE 18 OCT 2018 show orders count HIGHLIGHTS Safe and sound Page 14 Ensuring the safety of helicopter crews can be achieved through a variety of measures that industry is continuously developing. Photo: Tony Skinner Having announced an impressive haul of 19 position, with 70% share – which is, of orders during Helitech International, largely course, great for the company,’ he said. buoyed by light single and light twin returns, ‘At the same time, when it comes to oil and Airbus continues to consolidate its strong gas, things are still challenging but showing Heavy metal global civil helicopter market position. signs of recovery. From my perspective, it will Page 20 Breaking the contracts down, the company take time. There is still over-capacity in the is set to deliver up to six H135s to air rescue market and real demand will take time.’ Are we likely to see heavy operator Royal Dutch Touring Club ANWB, as Stressing the need to address the entire models fade away as focus part of a framework agreement signed this helicopter market across light, medium and shifts towards the next week, while a split of three light single and heavy types, Even explained that Airbus will generation of fl ight? three light twin aircraft have been agreed not simply prioritise one segment over another. with French Alps civil operator SAF Group. ‘The core of our strategy is to be in a position to A further four H125s have been ordered address – with our large portfolio of products – by Norwegian operator Helitrans and will be all the needs of the market. -
Attachment 2
Contact us Connecting Australia Australian Airports Association Unit 9, 23, Brindabella Circuit Brindabella Park ACT 2609 The economic and social Tel: +61 6230 1110 contribution of Australia's airports Fax: +61 6230 1367 C Email: [email protected] Prepared for Australian Airports Association M www.airports.asn.au May 2012 Y CM Deloitte Access Economics MY Level 1, 9 Sydney Avenue CY Barton ACT 2600 CMY PO Box 6334 Kingston ACT 2604 K Australia Tel: +61 2 6175 2000 Fax: +61 2 6175 2001 Email: [email protected] www.deloitteaccesseconomics.com.au The economic and social contribution of Australia’s airports Contents Acronyms ................................................................................................................................... i Key points ................................................................................................................................. ii Executive summary ................................................................................................................... v 1 Introduction .................................................................................................................... 1 2 Australia’s airport sector ................................................................................................. 3 2.2 Composition and structure of the industry ........................................................................ 5 2.3 Role of airports in the economy ....................................................................................... -
Delft University of Technology Aerodynamic Installation Effects Of
Delft University of Technology Aerodynamic installation effects of lateral rotors on a novel compound helicopter configuration Stokkermans, Tom; Soemarwoto, Bambang; Voskuijl, Mark; Fukari, Raphaël; Veldhuis, Leo; Eglin, Paul Publication date 2018 Document Version Accepted author manuscript Published in Annual Forum Proceedings - AHS International Citation (APA) Stokkermans, T., Soemarwoto, B., Voskuijl, M., Fukari, R., Veldhuis, L., & Eglin, P. (2018). Aerodynamic installation effects of lateral rotors on a novel compound helicopter configuration. Annual Forum Proceedings - AHS International, 2018-May. Important note To cite this publication, please use the final published version (if applicable). Please check the document version above. Copyright Other than for strictly personal use, it is not permitted to download, forward or distribute the text or part of it, without the consent of the author(s) and/or copyright holder(s), unless the work is under an open content license such as Creative Commons. Takedown policy Please contact us and provide details if you believe this document breaches copyrights. We will remove access to the work immediately and investigate your claim. This work is downloaded from Delft University of Technology. For technical reasons the number of authors shown on this cover page is limited to a maximum of 10. Aerodynamic Installation Effects of Lateral Rotors on a Novel Compound Helicopter Configuration Tom Stokkermans Mark Voskuijl Leo Veldhuis PhD Candidate Assistant Professor Full Professor Delft University of Technology Delft University of Technology Delft University of Technology Delft, the Netherlands Delft, the Netherlands Delft, the Netherlands Bambang Soemarwoto Raphael¨ Fukari Paul Eglin Senior Scientist Engineer Aeromechanics senior expert Netherlands Aerospace Centre NLR Airbus Helicopters Airbus Helicopters Amsterdam, the Netherlands Marignane, France Marignane, France ABSTRACT Installation effects of the lateral rotors for a compound helicopter were investigated by means of unsteady CFD sim- ulations. -
Bell Unveils Air-Taxi Concept
PUBLICATIONS Vol.50 | No.2 $9.00 FEBRUARY 2019 | ainonline.com The Bell Nexus will initially feature human operation and a hybrid- electric propulsion system powering six ducted fans. Airshows New models on deck for Heli-Expo page 43 Safety U.S. bizjet accidents rise in 2018 page 14 Maintenance Industry looks to build tech pipeline page 51 Industry One Aviation works on bankruptcy page 27 Bell unveils air-taxi concept ATC First digital tower opens by Rob Finfrock in the UK page 12 Highlighting the increasing awareness and challenges in the vertical dimension,” said landing skids, and a modified V tail topped by appeal of vertical takeoff and landing (VTOL) Bell president and CEO Mitch Snyder. “We a short horizontal stabilizer. The flight model solutions outside the traditional domains of believe the design, taken with our strategic will use a hybrid/electric distributed propul- the rotorcraft industry, Bell returned to the approach to build this infrastructure, will sion system feeding six tilting ducted fans, annual Consumer Electronics Show (CES) in lead to the successful deployment of the each powered by individual electric motors. Las Vegas last month with its “full vision” of a Bell Nexus to the world.” The six-fan design is a compromise practical urban air taxi, dubbed the Bell Nexus. The full-scale Nexus display builds upon between quad- and octo-rotor configurations “As space at the ground level becomes the fuselage mockup unveiled at last year’s seen on other urban VTOL designs to provide limited, we must solve transportation CES and features a central wing, integrated continues on page 16 Read Our SPECIAL REPORT Shutdown weighs on bizav Amazing apps by Kerry Lynch It has been less than a decade since the introduction of Apple’s iPad, but the The failure of the White House and Con- withheld, and deliveries delayed, industry device—and those that followed—has gress to reach agreement on border wall groups reported as the shutdown became been embraced by operators, who are funding in late December touched off a the longest in history. -
Australia in Antarctica the Australian Antarctic Program the Australian Antarctic Division Head Office Is Located in Kingston, Tasmania
1 AUSTRALIA IN ANTARCTICA THE AUSTRALIAN ANTARCTIC PROGRAM The Australian Antarctic Division head office is located in Kingston, Tasmania. (Photo: Wendy Pyper) 2 ORGANISATIONAL STRUCTURE Territories, Environment & Treaties Strategies General Manager Corporate Communications Branch Business Support Financial Services Operations Support General Manager Center People Support Information & Communications Technology Asset Management Mechanical Engineering Supply Services Antarctic Infrastructure Director Polar Medicine Property & Security Climate Processes & Change Science Chief Scientist Parliamentary & Branch Terrestrial & Nearshore Ecosystems Ministerial Liaison Southern Ocean Ecosystem Change Wildlife Conservation & Fisheries Science Planning & Coordination 2 Antarctic Modernisation Modernisation Program Manager Science Technical Support Taskforce Australian Antarctic Data Centre Our Vision...Antarctica: valued, protected and understood 20 YEAR STRATEGIC PLAN The Australian Government initiated a 20 year Australian Antarctic Strategic © Commonwealth of Australia Plan in November 2013, led by Dr Tony Press, CEO of the Antarctic Climate and Ecosystems Cooperative Research Centre. The plan is focused on the Australian Antarctic Division long term strategic challenges and needs for Australia in the Antarctic and 203 Channel Highway addresses the following issues: Kingston, TAS 7050, Australia • Expanding the role of Tasmania as the gateway for Antarctic expeditions Phone: +613 6232 3209 and scientific research; Email: [email protected] • Ensuring robust and reliable access to the Australian Antarctic Territory (AAT); Editor: Wendy Pyper • Extending Australia’s reach across the AAT; Design: giraffe.com.au • Undertaking nationally and globally significant science; and www.antarctica.gov.au • Exercising influence in the region through the Antarctic Treaty system. The Australian Antarctic Division’s instrument Different phytoplankton species are grown to feed krill in the workshop at its head office.