DOCSLIB.ORG

Safran, Creating Value, Developing Talents

Total Page：16

File Type：pdf, Size：1020Kb

Download full-text PDF Read full-text
Safran, Creating Value, Developing Talents SAFRAN, CREATING VALUE, DEVELOPING TALENTS Human logo formed by 3,000 engineers and managers at Safran Discovery Day on June 6, 2012 in Paris, France. 2012 BUSINESS AND CORPORATE SOCIAL RESPONSIBILITY REPORT CONTENTS 02 06 38 50 SAFRAN IS A LEADING INTERVIEW WITH FROM SUCCESS TALENTS GROWTH THE CHAIRMAN TO SUCCESS GUARANTEEING BENCHMARKS INTERNATIONAL AND CEO FUTURE SUCCESS 22 52 Governance INNOVATIVE 56 Key figures PRODUCTS AND 60 Shareholding TECHNOLOGIES HIGH-TECHNOLOGY 40 GROUP Attracting and and Tier-1 supplier of systems and equipment integrating top 62 for aerospace, defense and security. Operating 24 talents Business sectors worldwide, Safran has 62,500 employees 42 Supporting skills 66 Employees 04 Contributing to development and generated sales of 13.6 billion euros in 2012. COMMITMENTS efficient, Through its global presence Safran not only OUR GOAL: environmentally- 44 Diversifying profiles EXEMPLARY friendly air transport 45 Affirming our social enhances its competitiveness, but also builds PERFORMANCE 28 Guaranteeing model industrial and commercial relations with the world’s passenger security 46 Protecting our Discover the enriched version of the employees’ health 2012 business and corporate social leading prime contractors and operators, 30 Enhancing protection responsibility report by downloading for citizens and safety the application at the App Store or on while providing local services to customers around Google play. 32 Facilitating access 48 Supporting the world. Working alone or in partnership, Safran to space meaningful sponsorships holds world or European leadership positions 33 Supporting 49 Fostering social in its core markets. our customers for You can also scan the long haul inclusion and equal the following QR code. opportunity through 34 Aiming for excellence corporate across the board philanthropy BUSINESS AND CORPORATE SOCIAL RESPONSIBILITY REPORT – 1 We are also a more competitive group, in terms of both production What would you say were and structural costs, thanks to the consolidation of our support the highlights of 2012, which was functions. Lastly, we are a more solid group. From this standpoint, a particularly rich year for Safran? we passed major milestones in 2012, including the birth It was indeed an exceptional year, financially speaking, with sales of Herakles, the acquisition of several technology start-ups and of 13.6 billion euros, up 15.5%, and net income of 999 million euros. the creation of pivotal joint ventures in optronics and safety-critical From the commercial viewpoint, 2012 was also a record year. onboard software and electronics. With the definitive agreement The LEAP engine has logged over 4,300 orders and commitments, to acquire Goodrich Corporation’s electrical systems business, meaning that we are assured of extending the success story of we will also take a major step forward in our development strategy CFM International, our joint company with GE, for several decades. for electrical technologies. We made significant progress Meanwhile, the CFM56 keeps going from success to success. in this area once again in 2012, in particular by continuing Our production and delivery rates set new records in 2012, which the development of an electric taxiing system with our partner will guarantee growth in our service business for many years Honeywell. 2012 WAS. to come, and this is a source of recurring revenues. All of these developments make AN EXCELLENT.. Were trends as positive in all the future look very bright! of the Group’s business sectors? We are confident, but we also know that nothing should ever 2012 was an excellent vintage in all of our markets. In particular, be taken for granted. The keys to our future growth include Safran’s engine, wheels and brakes were selected for Eurocopter’s the continued modernization of our facilities to cope with the new-generation X4 helicopter. Our new business jet engine, ramp-up in production rates and new technologies, an ongoing VINTAGE. focus on R&D to pave the way for tomorrow’s successes, Silvercrest, was chosen by a second customer, Cessna, for their Citation Longitude. We recorded a number of business wins in attracting new talents and training people so they can realize the defense and security sectors as well, including a major order their full potential, and improving our competitiveness to gain for JIM LR binoculars from the British Ministry of Defence, and market shares. IN ALL OF.. a five-year general contract from the Transportation Security To make sure that our growth is sustainable, Safran works with Administration for explosive detection system to be installed our 62,500 employees to promote exemplary individual behavior in American airports. Safran is now firmly established as a pivotal in the professional environment. For Safran, industrial excellence OUR MARKETS. player in all of our business sectors. also means ethical excellence! Safran has come a long way indeed Interview with since the Group was created in 2005! Jean-Paul Herteman, How do you view Safran today? Chairman and CEO It’s true that Safran has changed quite a bit. Today, we are a more unified group, capable of pooling everybody’s expertise to benefit all our companies. To give you an example, that’s the aim of the new Safran Composites research center which we started building this year. 2 – SAFRAN BUSINESS AND CORPORATE SOCIAL RESPONSIBILITY REPORT – 3 COMMITMENTS RESPONSIBLE PERFORMANCE Safran is part of ASPI Eurozone®, an index that includes the 120 top-rated listed companies in the euro zone, based on sustainable performance rankings by Vigeo. The index OUR GOAL: EXEMPLARY evaluates six areas of corporate responsibility: environment, human rights, human resources, social engagement, behavior PERFORMANCE in markets, corporate governance. Safran’s commitment to social responsibility draws on our values and ethical guidelines applied by all employees. To better meet our stakeholders’ expectations, we have formalized our corporate social responsibility (CSR) strategy and set up a dedicated CSR governance structure. INTERVIEW DOMINIQUE-JEAN CHERTIER SAFRAN’S DEPUTY CHIEF EXECUTIVE OFFICER, CORPORATE OFFICE STRATEGIC ENSURING SUSTAINABLE, New CSR governance in compliance with all applicable laws and information. We were one of the pioneers OBJECTIVES Safran set up a new structure in 2012 to oversee regulations, thus providing each employee in adopting Binding Corporate Rules (BCR), RESPONSIBLE GROWTH our corporate social responsibility (CSR) with the basic information needed to analyze which govern the processing and transfer Underpinning our CSR policy, Safran has approach, directed by Dominique-Jean Chertier, any situation and do their jobs in consequence. of personal data outside the European Union. defined six strategic objectives based on the Deputy Chief Executive Officer, Corporate Office. Safran has also implemented a professional code These rules are already applied at all French general areas defined in the ISO 26000 Is Safran’s commitment to CSR that took us several months, We also appointed a coordinator to deploy of ethics, concerning any securities-related companies in the Group and are being deployed standard, concerning corporate social a recent phenomenon? we defined six strategic objectives. and lead CSR policy throughout our Group, in operation and the prevention of insider trading, in our international companies. responsibility. Not at all! Safran has long made CSR Each of these will be associated with conjunction with the heads of the departments and we conduct a program designed to detect requirements part of our strategic an action plan, monitored by quarterly involved in implementing this initiative, and prevent any fraud within the Group. Develop innovative products objectives. Designing products with meetings of a steering committee, operating through a steering committee. The Group has established requirements and processes with minimal outstanding environmental with members representing all applicable to all companies concerning the fight environmental impact. performance, recruiting a wide variety of these departments. Long-term commitments against corruption and export controls. of profiles to diversify our talent base, Safran’s social responsibilities reflect the values In December 2012, Safran was the first company Always aim for excellence practicing zero tolerance for What are the keys to success? underpinning our corporate culture: focus on in the French stock market index, CAC 40, in ensuring the security and corruption – all of that and more is an The first is that our CSR approach customers, meeting our commitments, to receive anti-corruption certification from protection of people and goods. indispensable part of our sustainable should be fully supported by innovation, responsiveness, the power the agency Adit (Agence pour la diffusion growth. However, we wanted corporate management. Secondly, Develop people’s potential. of teamwork, people development and de l’information technologique), based on to express this commitment more that it should be shared with recognition, and corporate citizenship. A series guidelines validated by the SCPC (Service central Foster the involvement formally in 2012 to meet the all stakeholders, both internal – our of unyielding commitments has always been an de prévention de la corruption), the French of suppliers and partners expectations of our stakeholders. 62,500 employees – and external, integral part of our strategy and development: corruption prevention department.
Load more

Recommended publications
  • Variations of Solid Rocket Motor Preliminary Design for Small TSTO Launcher
    View metadata, citation and similar papers at core.ac.uk brought to you by CORE provided by Institute of Transport Research:Publications Space Propulsion 2012 – ID 2394102 Variations of Solid Rocket Motor Preliminary Design for Small TSTO launcher Etienne Dumont Space Launcher Systems Analysis (SART), DLR, Bremen, Germany [email protected] NGL New/Next Generation Launcher Abstract SI Structural Index (mdry / mpropellant) Several combinations of solid rocket motors and ignition SRM Solid Rocket Motor strategies have been considered for a small Two Stage to TSTO Two Stage To Orbit Orbit (TSTO) launch vehicle based on a big solid rocket US Upper Stage motor first stage and cryogenic upper stage propelled by VENUS Vega New Upper Stage the Vinci engine. In order to reach the target payload avg average during the flight performance of about 1400 kg into GTO for the clean s.l. sea level version and 2700 to 3000 kg for the boosted version, the vac vacuum influence of the selected solid rocket motors on the upper 2 + 2 P23 4 P23: two ignited on ground and two with a stage structure has been studied. Preliminary structural delayed ignition designs have been performed and the thrust histories of the solid rocket motor have been tweaked to limit the upper stage structural mass. First stage and booster 1. Introduction combinations with acceptable general loads are proposed. Solid rocket motors (SRM) are commonly used for boosters or launcher first stage. Indeed they can provide high thrust levels while being compact, light and Nomenclature relatively simple compared to a liquid rocket engine Isp specific impulse s providing the same thrust level.
    [Show full text]
  • The Market for Aviation Turbofan Engines
    The Market for Aviation Turbofan Engines Product Code #F640 A Special Focused Market Segment Analysis by: Aviation Gas Turbine Forecast Analysis 1 The Market for Aviation Turbofan Engines 2010-2019 Table of Contents Executive Summary .................................................................................................................................................2 Introduction................................................................................................................................................................2 Trends..........................................................................................................................................................................3 Market Focus .............................................................................................................................................................3 Competitive Environment.......................................................................................................................................4 Figure 1 - The Market for Aviation Turbofan Engines Unit Production 2010 - 2019 (Bar Graph) .................................................................................6 Figure 2 - The Market for Aviation Turbofan Engines Value of Production 2010 - 2019 (Bar Graph)...........................................................................6 Manufacturers Review.............................................................................................................................................7
    [Show full text]
  • Vega: the European Small-Launcher Programme
    r bulletin 109 — february 2002 Vega: The European Small-Launcher Programme R. Barbera & S. Bianchi Vega Department, ESA Directorate of Launchers, ESRIN, Frascati, Italy Background The programme was adopted by ESA in June The origins of the Vega Programme go back to 1998, but the funding was limited to a Step 1, the early 1990s, when studies were performed with the aim of getting the full approval by the in several European countries to investigate the European Ministers meeting in Brussels in May possibility of complementing, in the lower 1999. This milestone was not met, however, payload class, the performance range offered because it was not possible to obtain a wide by the Ariane family of launchers. The Italian consensus from ESA’s Member States for Space Agency (ASI) and Italian industry, in participation in the programme. This gave rise to particular, were very active in developing a period of political uncertainty and to a series concepts and starting pre-development work of negotiations aimed at finding an agreeable based on established knowhow in solid compromise. It is important, on the other hand, propulsion. When the various configuration to record that during the same period the options began to converge and the technical technical definition work continued without feasibility was confirmed, the investigations major disruption, and development tests on the were extended to include a more detailed Zefiro motor were successfully conducted. definition in terms of a market analysis and related cost targets. The subsequent extension of the duration of Step 1 provided the opportunity to revisit and By the end of 2001, the development programme for Europe’s new update the market analysis, based on the small Vega launcher was well underway.
    [Show full text]
  • → TECHNOLOGIES for EUROPEAN LAUNCHERS an ESA Communications Production
    → TECHNOLOGIES FOR EUROPEAN LAUNCHERS An ESA Communications Production Publication Technologies for European launchers (ESA BR-316 June 2014) Production Editor A. Wilson Design/layout G. Gasperoni, Taua Publisher ESA Communications ESTEC, PO Box 299, 2200 AG Noordwijk, The Netherlands Tel: +31 71 565 3408 www.esa.int ISBN 978-92-9221-066-3 ISSN 1013-7076 Copyright © 2014 European Space Agency Cover image: ESA–S. Corvaja Contents → INTRODUCTION 02 → AVIONICS 04 → PROPULSION 14 → STRUCTURES 26 AND MECHANICAL ENGINEERING Introduction Technologies for European launchers and new market requirements For decades, the development of new launch systems has demonstrating new technologies in materials, structural and focused on increasing lift capability and reliability. Programmes mechanical components, as well as advanced avionics, under conducted on behalf of ESA have supported industry in acquiring flight conditions. and mastering the basic and advanced technologies required to develop, manufacture and operate the most successful launch – The Intermediate Experimental Vehicle (IXV) is a testbed vehicles of their times. for technologies required for atmospheric reentry and recovery. These include highly autonomous and modular Although Ariane has been setting the standard for the launch subsystems that will help to expand the flight envelope able industry worldwide for more than 25 years, new challenges will to be accessed in the future. have to be met in the coming years to ensure the viability of Europe’s autonomous access to space and to keep the – As the ESA launcher technology programme, FLPP is maturing competitiveness of the European space transportation industry, technologies to enable and sustain the development and whose skills are recognised at international level and have evolution of current and future launchers.
    [Show full text]
  • Conceptual Design for Vega New Upper Stage
    62nd International Astronautical Congress, Cape Town, SA. Copyright ©2011 by the International Astronautical Federation. All rights reserved. IAC-11-D2.3.4 VENUS - CONCEPTUAL DESIGN FOR VEGA NEW UPPER STAGE Dr. Menko Wisse Astrium Space Transportation, Launchers, Bremen, Germany, [email protected] Georg Obermaier Astrium Space Transportation, Propulsion & Equipment, Munich, Germany, [email protected] Etienne Dumont DLR-SART, Bremen, Germany, [email protected] Thomas Ruwwe DLR Space Administration, Bonn, Germany, [email protected] With the first launch of VEGA approaching, the European launch vehicle family will soon be completed. VEGA aims at transporting small research- and earth observation satellites to Low Earth Orbit (LEO). Ongoing investigations show the opportunity for a performance improvement of the launcher to cope with the market demand for evolution in P/L mass. Therefore, studies to enhance the capabilities of the launch vehicle were started. The German Space Administration (DLR) has funded the VENUS (VEGA New Upper Stage) studies on behalf of the German Federal Ministry of Economics and Technology with Astrium Space Transportation as Prime Contractor and the DLR institute for Space Launcher Systems Analysis (SART) as subcontractor, in order to identify and assess the potential of increasing the upper stage performance. The second slice of the study, the so-called VENUS-2 study (support code FKZ50RL0910), was started in July 2009 and has been finalized mid 2011. VENUS- 2 aims at investigating possible evolutions of the VEGA-launcher upper stage. In particular, conceptual lay-outs for new storable propellant upper stages have been investigated including engines. The VENUS-2 study is divided into three study phases.
    [Show full text]
  • Download Here Avio's Company Profile
    SPACE IS CLOSER CORPORATE PROFILE Where we come from Avio is a space propulsion leader, with over 1,000 employees located in Italy, France and French Guiana. Since its foundation in 1912, the company has played a key role in the design, manufacturing and integration of space launcher systems and tactical missiles. With such a long history and track record, Avio today has extensive expertise in solid and liquid propulsion systems, chemicals and propellants, composite materials, system integration, experimental testing, flight and simulation software, on-board avionics and satellite launch operations. Evolving towards the future Since 2017 Avio has been listed on the STAR segment of the Italian Stock Exchange and was the first rocket manufacturing company in the world to become a public company with over 70% of its share capital floating on the market. With such a set-up Avio is today equipped to accelerate its investment ambitions, pursuing rapid growth for the future. In recent years Avio has delivered revenue growth at an average annual rate in excess of 15%. Our mission Our mission is to provide reliable and competitive access to space to improve life on earth. To this end, Avio has developed the Vega Launch System, a combination of launchers and adapters to carry any small-medium satellite into Low Earth Orbit on single, dual or multi-payload missions, serving any type of customer globally. Avio is committed to over time deliver new versions of the Vega system to continuously improve reliability, flexibility and cost-competitiveness. Vega Launchers Avio has designed, manufactured and assembled solid and liquid propulsion systems for more than 50 years.
    [Show full text]
  • Arianespace Procures First Batch of Upgraded Vega-C Rockets, Preps for Last Ariane 5 Order
    Arianespace procures first batch of upgraded Vega-C rockets, preps for last Ariane 5 order September 28, 2017 Stephen Clark This artist’s illustration shows the lineup of European rockets currently flying or scheduled to debut in the next few years. From left to right: Vega, Vega-C, Ariane 5 ECA, Ariane 62 and Ariane 64. Credit: ESA–David Ducros, Jacky Huart, 2016 Arianespace has split its third order of Vega rockets from Italy’s Avio between old and new versions of the solid-fueled booster, as officials prepare to build a final batch of around 18 Ariane 5 rockets before switching to the next-generation Ariane 6 in the early 2020s. The French launch company announced Wednesday the signature of a long-anticipated contract for 10 more Vega launchers from Avio, Vega’s prime contractor. It marks the third order of Vega rockets from the Italian manufacturer, bringing the total number of Vega vehicles purchased to 26. Six of the vehicles ordered by Arianespace will come in the same basic Vega configuration that has successfully launched 10 times since debuting in February 2012. Avio will also build the first four upgraded Vega-C launchers, featuring more powerful rocket motors and an enlarged payload fairing to haul bigger satellites into orbit. Meanwhile, Arianespace is in the final stages of negotiating with its parent company, Ariane Group, to order around 18 more Ariane 5 rockets, the last batch of Ariane 5s to be built after more than 20 years of launches. Arianespace expects to sell the additional Ariane 5 flights to commercial customers and European governments for launches through the early 2020s.
    [Show full text]
  • Aviation Week & Space Technology
    $14.95 AUGUST 31-SEPTEMBER 13, 2020 X = Raider + Defi ant A DECADE OF SPEED GE, Pratt and Rolls Lower Margins, Higher Risks A Hypersonic Upgrade RICH MEDIA for U.S. ICBMs? EXCLUSIVE AI-Human Dogfight Advantage Machine Digital Edition Copyright Notice The content contained in this digital edition (“Digital Material”), as well as its selection and arrangement, is owned by Informa. and its affiliated companies, licensors, and suppliers, and is protected by their respective copyright, trademark and other proprietary rights. Upon payment of the subscription price, if applicable, you are hereby authorized to view, download, copy, and print Digital Material solely for your own personal, non-commercial use, provided that by doing any of the foregoing, you acknowledge that (i) you do not and will not acquire any ownership rights of any kind in the Digital Material or any portion thereof, (ii) you must preserve all copyright and other proprietary notices included in any downloaded Digital Material, and (iii) you must comply in all respects with the use restrictions set forth below and in the Informa Privacy Policy and the Informa Terms of Use (the “Use Restrictions”), each of which is hereby incorporated by reference. Any use not in accordance with, and any failure to comply fully with, the Use Restrictions is expressly prohibited by law, and may result in severe civil and criminal penalties. Violators will be prosecuted to the maximum possible extent. You may not modify, publish, license, transmit (including by way of email, facsimile or other electronic means), transfer, sell, reproduce (including by copying or posting on any network computer), create derivative works from, display, store, or in any way exploit, broadcast, disseminate or distribute, in any format or media of any kind, any of the Digital Material, in whole or in part, without the express prior written consent of Informa.
    [Show full text]
  • Modernization of the Czech Air Force
    Calhoun: The NPS Institutional Archive Theses and Dissertations Thesis Collection 2001-06 Modernization of the Czech Air Force. Vlcek, Vaclav. http://hdl.handle.net/10945/10888 NAVAL POSTGRADUATE SCHOOL Monterey, California THESIS MODERNIZATION OF THE CZECH AIR FORCE by Vaclav Vlcek June 2001 Thesis Advisor: Raymond Franck Associate Advisor: Gregory Hildebrandt Approved for public release; distribution is unlimited. 20010807 033 REPORT DOCUMENTATION PAGE Form Approved OMBNo. 0704-0188 Public reporting burden for this collection of information is estimated to average 1 hour per response, including the time for reviewing instruction, searching existing data sources, gathering and maintaining the data needed, and completing and reviewing the collection of information. Send comments regarding this burden estimate or any other aspect of this collection of information, including suggestions for reducing this burden, to Washington headquarters Services, Directorate for Information Operations and Reports, 1215 Jefferson Davis Highway, Suite 1204, Arlington, VA 22202-4302, and to the Office of Management and Budget, Paperwork Reduction Project (0704-0188) Washington DC 20503. 1. AGENCY USE ONLY (Leave blank) 2. REPORT DATE 3. REPORT TYPE AND DATES COVERED June 2001 Master's Thesis 4. TITLE AND SUBTITLE : MODERNIZATION OF THE CZECH AIR FORCE 5. FUNDING NUMBERS 6. AUTHOR(S) Vaclav VIcek 8. PERFORMING 7. PERFORMING ORGANIZATION NAME(S) AND ADDRESS(ES) ORGANIZATION REPORT Naval Postgraduate School NUMBER Monterey, CA 93943-5000 9. SPONSORING / MONITORING AGENCY NAME(S) AND ADDRESS(ES) 10. SPONSORING / MONITORING N/A AGENCY REPORT NUMBER 11. SUPPLEMENTARY NOTES The views expressed in this thesis are those of the author and do not reflect the official policy or position of the Department of Defense or the U.S.
    [Show full text]
  • Investigations of Future Expendable Launcher Options
    IAC-11-D2.4.8 Investigations of Future Expendable Launcher Options Martin Sippel, Etienne Dumont, Ingrid Dietlein [email protected] Tel. +49-421-24420145, Fax. +49-421-24420150 Space Launcher Systems Analysis (SART), DLR, Bremen, Germany The paper summarizes recent system study results on future European expendable launcher options investigated by DLR-SART. In the first part two variants of storable propellant upper segments are presented which could be used as a future evolvement of the small Vega launcher. The lower composite consisting of upgraded P100 and Z40 motors is assumed to be derived from Vega. An advanced small TSTO rocket with a payload capability in the range of 1500 kg in higher energy orbits and up to 3000 kg supported by additional strap-on boosters is further under study. The first stage consists of a high pressure solid motor with a fiber casing while the upper stage is using cryogenic propellants. Synergies with other ongoing European development programs are to be exploited. The so called NGL should serve a broad payload class range from 3 to 8 tons in GTO reference orbit by a flexible arrangement of stages and strap-on boosters. The recent SART work focused on two and three-stage vehicles with cryogenic and solid propellants. The paper presents the promises and constraints of all investigated future launcher configurations. Nomenclature TSTO Two Stage to Orbit VEGA Vettore Europeo di Generazione Avanzata D Drag N VENUS VEGA New Upper Stage Isp (mass) specific Impulse s (N s / kg) cog center of gravity M Mach-number - sep separation T Thrust N W weight N g gravity acceleration m/s2 1 INTRODUCTION m mass kg Two new launchers, Soyuz and Vega, are scheduled to q dynamic pressure Pa enter operation in the coming months at the Kourou v velocity m/s spaceport, increasing the range of missions able to be α angle of attack - launched by Western Europe.
    [Show full text]
  • Introduction to Airbreathing Propulsion Systems
    Introduction to airbreathing propulsion systems Integrated project: AIAA aircraft design competition 1er master Aerospace 2020 Koen Hillewaert, Université de Liège Design of Turbomachines, A&M [email protected] Remy Princivalle, Principal Engineer, Safran Aero Boosters [email protected] 1. Balances, thrust and performance Drag / thrust definition 1. Balances, thrust and performance Airbreathing engines: acceleration of (clean) air mass flow ● Thrust = acceleration force of engine mass flow from flight vf to jet velocity vj ● Powers – Propulsive power → airplane acceleration : – Mechanical power → fluid acceleration : – Lost power ● Propulsive efficiency: ● Increasing propulsive efficiency for constant thrust – increase mass flow, decrease jet velocity – Ingest flow at speed lower than flight speed 1. Balances, thrust and performance Airbreathing engines: Boundary Layer Ingestion ● ● 1. Balances, thrust and performance Airbreathing engines: classical performance parameters ● Thermal energy ! = mf Δhf – Fuel mass flow rate: – Fuel to air ratio: – Fuel lower heating value: ● "verall efficiency propulsive power Pp versus thermal energy ! – Propulsive efficiency: – Thermal efficiency: ● Efficiency $ Thrust specific fuel consumption (TSFC) ● Compacity $ Specific thrust 2. Jet engines Generation of high” speed "et through e#pansion over no%%le Snecma/'' (lympus 593 Afterburning ,urbo"et -./ Leap -i$il ,urbofan Snecma /88 Afterburning Turbofan 2. Jet engines Generation of high” speed "et through e#pansion over no%%le ● Ingestion of ma air at flight speed in nacelle – Ram effect: increased total T and p due to relative Mach num!er Mf ● Increase total pressure and temperature – Mechanical : fan – Thermal : gas generator " #rayton – $fter!urning ● #(pansion over e(haust noz)le to ambient pressure – %ho&ed – $dapted 2. Jet engines -ore flow: Brayton thermodynamic cycle ● Thermodynamic cycle – $dia!atic compression ' → ( : – %om!ustion ( → ) : – $dia!atic e*pansion )+, : 2.
    [Show full text]
  • Variations of Solid Rocket Motor Preliminary Design for Small TSTO Launcher
    Space Propulsion 2012 – ID 2394102 Variations of Solid Rocket Motor Preliminary Design for Small TSTO launcher Etienne Dumont Space Launcher Systems Analysis (SART), DLR, Bremen, Germany [email protected] NGL New/Next Generation Launcher Abstract SI Structural Index (mdry / mpropellant) Several combinations of solid rocket motors and ignition SRM Solid Rocket Motor strategies have been considered for a small Two Stage to TSTO Two Stage To Orbit Orbit (TSTO) launch vehicle based on a big solid rocket US Upper Stage motor first stage and cryogenic upper stage propelled by VENUS Vega New Upper Stage the Vinci engine. In order to reach the target payload avg average during the flight performance of about 1400 kg into GTO for the clean s.l. sea level version and 2700 to 3000 kg for the boosted version, the vac vacuum influence of the selected solid rocket motors on the upper 2 + 2 P23 4 P23: two ignited on ground and two with a stage structure has been studied. Preliminary structural delayed ignition designs have been performed and the thrust histories of the solid rocket motor have been tweaked to limit the upper stage structural mass. First stage and booster 1. Introduction combinations with acceptable general loads are proposed. Solid rocket motors (SRM) are commonly used for boosters or launcher first stage. Indeed they can provide high thrust levels while being compact, light and Nomenclature relatively simple compared to a liquid rocket engine Isp specific impulse s providing the same thrust level. However their thrust g gravity acceleration m/s² history cannot be chosen as wished.
    [Show full text]