Page 219 - Technology Roadmap Transportation
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TECHNOLOGY ROADMAP: TRANSPORTATION




                               operate at a BPR of 8 to10 and the emerging   the alternative fuels such as bio fuels.
                               technologies are expected to take efficiency
                               higher with BPR of 10 to 20.Technologies   3.1.4 Avionics
                               involving use of advanced materials and   Avionics in the modern aircraft has come
                               composites in the system components and   of age with fly-by-wire technology based on
                               enhancement in combustor design have     modern digital computer systems coupled
                               also contributed to lower emissions besides   with multifunction display technologies, which
                               reducing the weight. Some of the technologies   automatically acquire, process and present all
                               related to engine components include lighter   the pertinent data and information on the
                               composite fan blades and fan case with titanium   pilot’s display. The heart of modern avionics is
                               leading edges, efficient cooling techniques,   the FMS (Flight Management System) which
                               advance combustor, Nacelles and Chevrons.  is a programmable computer that acquires
                                                                        and processes all the sensor inputs from
                               3.1.3 Fuels                              various subsystems, accepts standardized user
                               Aviation Turbine Fuel (ATF) which is petroleum   inputs, and manages the controls in the most
                               based product continues to be the fuel for the   optimized manner for the desired performance.
                               industry. The current energy economy which is   The modern avionics has made it possible
                               carbon intensive is posing a serious challenge in   for the aircraft to fly with very high degree of
                               the form of global warming and there is a global  navigational accuracy, automatic flight control
                               consensus that we need to reduce the carbon   (auto-pilot), on-board performance monitoring
                               intensity of our economy. Aviation sector   and alerting for sub-systems, collision avoidance.
                               is no exception to this. The rising fuel cost   and therefore, enhancing the safety of flight
                               and volatility in prices have been a significant   operations.
                               challenge for the aviation industry and efforts
                               are being made to switch to some reliable   3.1.5 Air Navigation Services (ANS)
                               alternatives for jet fuel. The alternative fuels in   Technologies
                               this regard need to meet the specifications in   Air Navigation Service providers operate on
                               terms of extreme handling of temperatures   the backend of the air transport value chain and
                               and high energy content and also be mixable   provide the necessary Air Traffic Management
                               (drop-in) with conventional fuel so that it can   service and the ground based technology
                               be used without any major changes in the   infrastructure in the form of Communication,
                               aircraft engines or the supply infrastructure.   Navigation, and Surveillance (CNS) equipments
                               Trials are underway to commercialize some of   and installations.






                                      COMMUNICATION (COM)
                                   VHF (Very High Frequency), High Frequency voice communication,
                                  Controller Pilot Data Link Communication (CPDLC)




                                     NAVIGATION (NAV)
                                   Ground based NDB, VOR, DME, ILS, Satellite based GNSS (GPS, GLONASS, and GALELIO)





                                      SURVEILLANCE (SUR)
                                   Primary Radar, Secondary Radar, ADS-B, Surface Movement Radar (SMR) & Advanced
                                  Surface Movement Guidance and Control System







                                                                                                         AIRWAYS   217
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