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Turbulence in the Gulf
Come and see us at the Dubai Airshow on Stand 2018 AEROSPACE November 2017 FLYING FOR THE DARK SIDE IS MARS GETTING ANY CLOSER? HYBRID-ELECTRIC PROPULSION www.aerosociety.com November 2017 Volume 44 Number 11 Volume TURBULENCE IN THE GULF SUPERCONNECTOR AIRLINES BATTLE HEADWINDS Royal Aeronautical Society Royal Aeronautical N EC Volume 44 Number 11 November 2017 Turbulence in Is Mars getting any 14 the Gulf closer? How local politics Sarah Cruddas and longer-range assesses the latest aircraft may 18 push for a human impact Middle mission to the Red East carriers. Planet. Are we any Contents Clément Alloing Martin Lockheed nearer today? Correspondence on all aerospace matters is welcome at: The Editor, AEROSPACE, No.4 Hamilton Place, London W1J 7BQ, UK [email protected] Comment Regulars 4 Radome 12 Transmission The latest aviation and Your letters, emails, tweets aeronautical intelligence, and feedback. analysis and comment. 58 The Last Word Short-circuiting electric flight 10 Antenna Keith Hayward considers the Howard Wheeldon looks at the current export tariff spat over MoD’s planned Air Support to the Bombardier CSeries. Can a UK low-cost airline and a US start-up bring electric, green airline travel Defence Operational Training into service in the next decade? On 27 September easyJet revealed it had (ASDOT) programme. partnered with Wright Electric to help develop a short-haul all-electric airliner – with the goal of bringing it into service within ten years. If realised, this would represent a game-changing leap for aviation and a huge victory for aerospace Features Cobham in meeting or even exceeding its sustainable goals. -
Current Affairs January 2019
VISION IAS www.visionias.in CURRENT AFFAIRS JANUARY 2019 Copyright © by Vision IAS All rights are reserved. No part of this document may be reproduced, stored in a retrieval system or transmitted in any form or by any means, electronic, mechanical, photocopying, recording or otherwise, without prior permission of Vision IAS. 1 www.visionias.in ©Vision IAS Table of Contents 1. POLITY & GOVERNANCE _______________ 4 6.5. Young Scientist Programme ____________ 59 1.1 Citizenship Amendment Bill _____________ 4 6.6. Unispace Nanosatellite Assembly & Training 1.2 Reservation for Economically Weaker Sections programme (UNNATI) ____________________ 59 _______________________________________ 5 6.7. International Year of the Periodic Table of 1.3 Electronic Voting Machine (EVM) Controversy Chemical Elements ______________________ 60 _______________________________________ 7 7. SOCIAL ISSUES ______________________ 61 1.4 Feminisation of Indian politics ___________ 9 7.1. ASER Annual Education Report _________ 61 1.5. North-East Autonomous Councils _______ 10 7.2. National Health Authority (NHA)________ 62 1.6. Bill for Trade Union Recognition ________ 11 7.3. Tribal Health ________________________ 63 2. INTERNATIONAL RELATIONS __________ 13 7.4. National Action Plan for Drug Demand 2.1. 1st India-Central Asia Dialogue _________ 13 Reduction (2018-2023) ___________________ 64 2.2. India & South Africa __________________ 15 7.5. Global Report on Trafficking in Persons – 2.3. Gilgit-Baltistan Issue _________________ 16 2018 __________________________________ 66 2.4. Draft Emigration Bill __________________ 17 7.6. Prevalence of Bonded Labour in India____ 68 2.5. Space Diplomacy ____________________ 19 8. CULTURE ___________________________ 70 2.6. Venezuela Crisis _____________________ 20 8.1. Sanskriti Kumbh _____________________ 70 3. -
Gnc 2021 Abstract Book
GNC 2021 ABSTRACT BOOK Contents GNC Posters ................................................................................................................................................... 7 Poster 01: A Software Defined Radio Galileo and GPS SW receiver for real-time on-board Navigation for space missions ................................................................................................................................................. 7 Poster 02: JUICE Navigation camera design .................................................................................................... 9 Poster 03: PRESENTATION AND PERFORMANCES OF MULTI-CONSTELLATION GNSS ORBITAL NAVIGATION LIBRARY BOLERO ........................................................................................................................................... 10 Poster 05: EROSS Project - GNC architecture design for autonomous robotic On-Orbit Servicing .............. 12 Poster 06: Performance assessment of a multispectral sensor for relative navigation ............................... 14 Poster 07: Validation of Astrix 1090A IMU for interplanetary and landing missions ................................... 16 Poster 08: High Performance Control System Architecture with an Output Regulation Theory-based Controller and Two-Stage Optimal Observer for the Fine Pointing of Large Scientific Satellites ................. 18 Poster 09: Development of High-Precision GPSR Applicable to GEO and GTO-to-GEO Transfer ................. 20 Poster 10: P4COM: ESA Pointing Error Engineering -
Automated Generic Parameterized Design of Aircraft Fairing and Windshield
Automated generic parameterized design of aircraft fairing and windshield Vijaykumar Govindharajan Aakash Narender Singh LIU-IEI-TEK-A-12/01271-SE Department of Management and Engineering Division of Flumes Department of Management and Engineering SE-581 83 Linköping, Sweden i ii Upphovsrätt Detta dokument hålls tillgängligt på Internet – eller dess framtida ersättare – under 25 år från publiceringsdatum under förutsättning att inga extraordinära omständigheter uppstår. Tillgång till dokumentet innebär tillstånd för var och en att läsa, ladda ner, skriva ut enstaka kopior för enskilt bruk och att använda det oförändrat för ickekommersiell forskning och för undervisning. Överföring av upphovsrätten vid en senare tidpunkt kan inte upphäva detta tillstånd. All annan användning av dokumentet kräver upphovsmannens medgivande. För att garantera äktheten, säkerheten och tillgängligheten finns lösningar av teknisk och administrativ art. Upphovsmannens ideella rätt innefattar rätt att bli nämnd som upphovsman i den omfattning som god sed kräver vid användning av dokumentet på ovan beskrivna sätt samt skydd mot att dokumentet ändras eller presenteras i sådan form eller i sådant sammanhang som är kränkande för upphovsmannens litterära eller konstnärliga anseende eller egenart. För ytterligare information om Linköping University Electronic Press se förlagets hemsida http://www.ep.liu.se/. Copyright The publishers will keep this document online on the Internet – or its possible replacement – for a period of 25 years starting from the date of publication barring exceptional circumstances. The online availability of the document implies permanent permission for anyone to read, to download, or to print out single copies for his/her own use and to use it unchanged for non-commercial research and educational purpose. -
Hilton Hotels Milestones
HILTON HOTELS MILESTONES 1919 Conrad Hilton purchases his first hotel, The Mobley, in Cisco, Texas. 1925 Conrad Hilton builds the first hotel to carry the "Hilton" name: "The Hilton," in Dallas. 1938 Hilton operates first property outside Texas: The Sir Francis Drake in San Francisco. 1942 Hilton moves its corporate headquarters to Los Angeles. 1943 Hilton becomes the first coast-to-coast hotel chain in the United States with the purchase of two hotels in New York City: The Roosevelt and The Plaza. 1945 Hilton becomes a major national force in the hospitality industry with the purchase of The Palmer House and The Stevens (now the Chicago Hilton and Towers). The latter was then the largest hotel in the world. 1946 Hilton Hotels Corporation is formed and listed on the New York Stock Exchange (NYSE:HLT), with Conrad N. Hilton as president. 1949 Conrad Hilton leases "the greatest of them all," The Waldorf=Astoria in New York. The first Hilton outside the continental United States opens: The Caribe Hilton in Puerto Rico. Hilton International Co., a wholly owned subsidiary is formed. 1953 The first Hilton opens in Europe: The Castellana Hilton in Madrid. 1954 Hilton consummates the largest real estate transaction to date with the purchase of The Statler Hotel Company for $111 million. 1960 Conrad Hilton named chairman of the board, Hilton Hotels Corporation. 1964 Hilton International spins off as a separate corporation, with Conrad Hilton as president. 1965 Statler Hilton Inns, the corporate franchising subsidiary (now Hilton Inns) is formed. 1966 Barron Hilton becomes president of Hilton Hotels Corporation. -
This Boeing Team's Skills at Producing Delta IV Rocket Fairings Helped
t’s usually the tail end of the rocket that gets all the early atten- other work. But they’d jump at the chance to work together again. tion, providing an impressive fiery display as the spacecraft is Their story is one of challenges and solutions. And they attribute hurled into orbit. But mission success also depends on what’s their success to Lean+ practices and good old-fashioned teamwork. Ion top of the rocket: a piece of metal called the payload fairing “The team took it upon themselves to make an excellent that protects the rocket’s cargo during the sometimes brutal ride product,” said program manager Thomas Fung. “We had parts to orbital speed. issues and tool problems, but the guys really stepped up and took “There’s no room for error,” said Tracy Allen, Boeing’s manu- pride and worked through the issues.” facturing production manager for a Huntington Beach, Calif., team The aluminum fairing team went through a major transition that made fairings for the Delta IV. The fairing not only protects the when Boeing merged its Delta Program with Lockheed Martin’s payload from launch to orbit but also must jettison properly for Atlas Program to form United Launch Alliance in 2006. deployment of the satellite or spacecraft. “There were a lot of process changes in the transition phase Allen and his colleagues built the 65-foot-long (20-meter-long) because we were working with a new company,” Fung said. “We aluminum isogrid fairings for the Delta IV heavy-lift launch vehicle. had part shortages because of vendor issues, and that caused The design was based on 41 similar fairings Boeing made for the an impact to the schedule. -
FAA Advisory Circular 20-97B
Subject: AIRCRAFT TIRE MAINTENANCE Date: 4/18/05 AC No.: 20-97B AND OPERATIONAL PRACTICES Initiated by: AFS-306 Change: 1. PURPOSE. This advisory circular (AC) provides recommended tire care and maintenance practices needed to assure the safety of support personnel and the continued airworthiness of aircraft. Specifically, this AC provides guidance on the installation, inflation, maintenance, and removal of aircraft tires. In addition, this AC provides guidance on those operational practices necessary to maintain safe aircraft operations. This AC is not mandatory and does not constitute a regulation. It is issued for guidance purposes and to outline acceptable tire maintenance and operational practices. In lieu of following this method without deviation, operators may elect to follow an alternative method that has also been found acceptable by the Federal Aviation Administration (FAA). 2. CANCELLATION. AC 20-97A, High-Speed Tire Maintenance and Operational Practices, dated May 13, 1987, is cancelled. 3. RELATED REGULATIONS AND DOCUMENTS. a. Title 14 of the Code of Federal Regulations (14 CFR): (1) Part 21, subpart O, Technical Standard Order Authorizations. (2) Part 23, Airworthiness Standards: Normal, Utility, Acrobatic, and Commuter Category Airplanes. (3) Part 25, Airworthiness Standards: Transport Category Airplanes. (4) Part 27, Airworthiness Standards: Normal Category Rotorcraft. (5) Part 29, Airworthiness Standards: Transport Category Rotorcraft. (6) Part 43, Maintenance, Preventive Maintenance, Rebuilding, and Alteration. (7) Part 145, Repair Stations. b. FAA ACs. Copies of the following ACs may be obtained from the U.S. Department of Transportation, Subsequent Distribution Center, Ardmore East Business Center, 3341 Q 75th Avenue, Landover, MD 20785, and may be downloaded at the following Web site: http://www.faa.gov/avr/afs/acs/ac-idx.htm. -
Comparison of Aircraft Tire Wear with Initial Wheel Rotational Speed
International Journal of Aviation, Aeronautics, and Aerospace Volume 2 Issue 1 Article 2 3-2-2015 Comparison of Aircraft Tire Wear with Initial Wheel Rotational Speed Abdurrhman A. Alroqi University of Sussex, [email protected] Weiji Wang University of Sussex, [email protected] Follow this and additional works at: https://commons.erau.edu/ijaaa Part of the Aeronautical Vehicles Commons Scholarly Commons Citation Alroqi, A. A., & Wang, W. (2015). Comparison of Aircraft Tire Wear with Initial Wheel Rotational Speed. International Journal of Aviation, Aeronautics, and Aerospace, 2(1). https://doi.org/10.15394/ ijaaa.2015.1043 This Article is brought to you for free and open access by the Journals at Scholarly Commons. It has been accepted for inclusion in International Journal of Aviation, Aeronautics, and Aerospace by an authorized administrator of Scholarly Commons. For more information, please contact [email protected]. Comparison of Aircraft Tire Wear with Initial Wheel Rotational Speed Cover Page Footnote The authors would like to acknowledge University of Sussex for its support with the literature and related resources. This article is available in International Journal of Aviation, Aeronautics, and Aerospace: https://commons.erau.edu/ ijaaa/vol2/iss1/2 Alroqi and Wang: Comparison of Aircraft Tire Wear with Initial Wheel Rotational Speed In this paper, the landing impact of an aircraft is described using a physical model of a single wheel in the main landing gear. The purpose of this study is to understand potential tire-life improvements that could be made by reducing abrasive skidding between aircraft tires and runway surfaces immediately after touchdown. -
"The Olympics Don't Take American Express"
“…..and the Olympics didn’t take American Express” Chapter One: How ‘Bout Those Cowboys I inherited a predisposition for pain from my father, Ron, a born and raised Buffalonian with a self- mutilating love for the Buffalo Bills. As a young boy, he kept scrap books of the All American Football Conference’s original Bills franchise. In the 1950s, when the AAFC became the National Football League and took only the Cleveland Browns, San Francisco 49ers, and Baltimore Colts with it, my father held out for his team. In 1959, when my father moved the family across the country to San Jose, California, Ralph Wilson restarted the franchise and brought Bills’ fans dreams to life. In 1960, during the Bills’ inaugural season, my father resumed his role as diehard fan, and I joined the ranks. It’s all my father’s fault. My father was the one who tapped his childhood buddy Larry Felser, a writer for the Buffalo Evening News, for tickets. My father was the one who took me to Frank Youell Field every year to watch the Bills play the Oakland Raiders, compliments of Larry. By the time I had celebrated Cookie Gilcrest’s yardage gains, cheered Joe Ferguson’s arm, marveled over a kid called Juice, adapted to Jim Kelly’s K-Gun offense, got shocked by Thurman Thomas’ receptions, felt the thrill of victory with Kemp and Golden Wheels Dubenion, and suffered the agony of defeat through four straight Super Bowls, I was a diehard Bills fan. Along with an entourage of up to 30 family and friends, I witnessed every Super Bowl loss. -
Orbital Fueling Architectures Leveraging Commercial Launch Vehicles for More Affordable Human Exploration
ORBITAL FUELING ARCHITECTURES LEVERAGING COMMERCIAL LAUNCH VEHICLES FOR MORE AFFORDABLE HUMAN EXPLORATION by DANIEL J TIFFIN Submitted in partial fulfillment of the requirements for the degree of: Master of Science Department of Mechanical and Aerospace Engineering CASE WESTERN RESERVE UNIVERSITY January, 2020 CASE WESTERN RESERVE UNIVERSITY SCHOOL OF GRADUATE STUDIES We hereby approve the thesis of DANIEL JOSEPH TIFFIN Candidate for the degree of Master of Science*. Committee Chair Paul Barnhart, PhD Committee Member Sunniva Collins, PhD Committee Member Yasuhiro Kamotani, PhD Date of Defense 21 November, 2019 *We also certify that written approval has been obtained for any proprietary material contained therein. 2 Table of Contents List of Tables................................................................................................................... 5 List of Figures ................................................................................................................. 6 List of Abbreviations ....................................................................................................... 8 1. Introduction and Background.................................................................................. 14 1.1 Human Exploration Campaigns ....................................................................... 21 1.1.1. Previous Mars Architectures ..................................................................... 21 1.1.2. Latest Mars Architecture ......................................................................... -
VTOL Hybrids: Tiltrotors Are Gaining Acceptance Nihad E Daidzic,, Ph.D., Sc.D
Minnesota State University, Mankato From the SelectedWorks of Nihad E. Daidzic, Dr.-Ing., D.Sc., ATP, CFII, MEI February, 2017 VTOL hybrids: Tiltrotors are gaining acceptance Nihad E Daidzic,, Ph.D., Sc.D. This work is licensed under a Creative Commons CC_BY-NC-ND International License. Available at: https://works.bepress.com/nihad-daidzic/30/ VTOL HYBRIDS Tiltrotors are gaining acceptance Led by Bell’s XV3 and XV15 and military service-proven Bell-Boeing V22, Leonardo will market the AW609 with other wing & rotor hybrids forthcoming. ry-wing VTOL aircraft that can hov- er, ly vertically up and down, and ly forward, sideways and backward – simply amazing machines. Heli- copters produce thrust as a vector component of the total lift force by effectively tilting the main rotor disc. Gyroplanes, on the other hand, 1st lown in 1923, are hybrids between helicopters and airplanes in which case the lift-producing rotary-wing is in the constant state of autorota- tion (windmilling), while horizontal thrust is normally produced by an internal combustion engine driving conventional propellers. So why do Photo courtesy Leonardo we need yet another airplane-heli- Leonardo AW609, jointly developed by Bell Helicopter and AgustaWestland, holds promise to be copter crossbreed? We need it be- the 1st tiltrotor aircraft certified for civilian operations. Configuration options include corporate, cause helicopters and gyroplanes SAR and EMS. Projected max range is 1100 nm with aux fuel tank, cruise speed of up to 275 kts. are limited by low cruising airspeeds and ranges, while airplanes are not By Nihad Daidzic, PhD, ScD cipal innovations in the published VTOL-capable. -
Annual Report 2017 - 2018 Annual Report 2017 - 2018 Citizens’ Charter of Department of Space
GSAT-17 Satellites Images icro M sat ries Satellit Se e -2 at s to r a C 0 SAT-1 4 G 9 -C V L S P III-D1 -Mk LV GS INS -1 C Asia Satell uth ite o (G S S A T - 09 9 LV-F ) GS ries Sat Se ellit t-2 e sa to 8 r -C3 a LV C PS Annual Report 2017 - 2018 Annual Report 2017 - 2018 Citizens’ Charter of Department Of Space Department Of Space (DOS) has the primary responsibility of promoting the development of space science, technology and applications towards achieving self-reliance and facilitating in all round development of the nation. With this basic objective, DOS has evolved the following programmes: • Indian National Satellite (INSAT) programme for telecommunication, television broadcasting, meteorology, developmental education, societal applications such as telemedicine, tele-education, tele-advisories and similar such services • Indian Remote Sensing (IRS) satellite programme for the management of natural resources and various developmental projects across the country using space based imagery • Indigenous capability for the design and development of satellite and associated technologies for communications, navigation, remote sensing and space sciences • Design and development of launch vehicles for access to space and orbiting INSAT / GSAT, IRS and IRNSS satellites and space science missions • Research and development in space sciences and technologies as well as application programmes for national development The Department Of Space is committed to: • Carrying out research and development in satellite and launch vehicle technology with a goal to achieve total self reliance • Provide national space infrastructure for telecommunications and broadcasting needs of the country • Provide satellite services required for weather forecasting, monitoring, etc.