航空 发表于 2011-5-19 00:06:44

Airport Landside Analysis and Modeling

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航空 发表于 2011-5-19 00:08:14

Airport Landside Analysis and Modeling (2) Dr. Antonio A. Trani Associate Professor of Civil and Environmental Engineering Virginia Tech June 12-13, 2002<BR>Advanced Airport and Airspace Capacity Seminar 1 of 38<BR>Material Presented in this Section Sizing Other Spaces at the Terminal • Apron Areas • Departure lounges • Parking facilities • Cargo terminals<BR>Advanced Airport and Airspace Capacity Seminar 2 of 38<BR>Apron Areas • Apron areas provide space to service aircraft • Also serve to park them overnight and during flight layovers Commuter traffic at DFW (2 Saab 340s)<BR>Advanced Airport and Airspace Capacity Seminar 3 of 38<BR>Apron Service Diagram (Airbus A340) Used to determine apron and boarding gate configurations<BR>Advanced Airport and Airspace Capacity Seminar 4 of 38<BR>Aircraft Service Port Diagram<BR>Advanced Airport and Airspace Capacity Seminar 5 of 38<BR>Apron Equipment Table (IATA)<BR>Advanced Airport and Airspace Capacity Seminar 6 of 38<BR>Sample Apron Area Service Equipment<BR>Advanced Airport and Airspace Capacity Seminar 7 of 38<BR>Ramp Services are VeryLabor Intensive<BR>Advanced Airport and Airspace Capacity Seminar 8 of 38<BR>Unusual Terminal Areas<BR>Advanced Airport and Airspace Capacity Seminar 9 of 38<BR>Aircraft Parking Configurations Three types of parking configurations have been used at most airports: • Taxi-in and Push-out • Taxi-in and Taxi-out (front) • Taxi-in and Taxi-out (back) The configuration depends largely on the terminal design system employed<BR>Advanced Airport and Airspace Capacity Seminar 10 of 38<BR>Parking Configurations (IATA)<BR>Advanced Airport and Airspace Capacity Seminar 11 of 38<BR>Parking Configurations (IATA)<BR>Advanced Airport and Airspace Capacity Seminar 12 of 38<BR>Apron-Terminal Flexible Design<BR>Advanced Airport and Airspace Capacity Seminar 13 of 38<BR>Aircraft Turning Capabilities<BR>Advanced Airport and Airspace Capacity Seminar 14 of 38<BR>Apron Area Dynamic Analysis • Several computer programs exist to study aircraft movements in the apron areas • Autoturn from Transoft is one example of such program • Dynamic turn analysis • Aircraft exhaust plume analysis<BR>Advanced Airport and Airspace Capacity Seminar 15 of 38<BR>Sample Autoturn Analysis<BR>Advanced Airport and Airspace Capacity Seminar 16 of 38<BR>Autotun Aircraft Analysis<BR>Advanced Airport and Airspace Capacity Seminar 17 of 38<BR>Determining Gate Capacity at the Airport • Gates can be a critical asset at many airports • The number of gates is usually determined using simple demand and supply analysis formulas • Gates can be “owned” by airlines (leased from the airport authority)<BR>Advanced Airport and Airspace Capacity Seminar 18 of 38<BR>Gate Analysis (Ashford’s Method) • Aircraft Parking and Gate Analysis • Can be executed using ramp (sort of Gantt) charts where flights are plotted against time over a 24 hr. period. • Gantt charts show activities over time<BR>Advanced Airport and Airspace Capacity Seminar 19 of 38<BR>Gate Analysis (Ashford’s Method) A simple formula to estimate the number of gates proposed by Norman Ashford is: U = Utilization factor (0-1) F = No. of flights G = No. of gates available S = Slots per day Usually S = 20-30 per day (24 hour period) U F GS() ------------=<BR>Advanced Airport and Airspace Capacity Seminar 20 of 38<BR>Loading Gates • Come in many flavors and sizes • Large articulated units able to serve Wide-body aircraft • Small units serving regional jets<BR>Advanced Airport and Airspace Capacity Seminar 21 of 38<BR>Loading Gates<BR>Advanced Airport and Airspace Capacity Seminar 22 of 38<BR>Waiting Lounges<BR>Advanced Airport and Airspace Capacity Seminar 23 of 38<BR>Waiting Lounges • Dimensionally departure lounges has been sized using static measures of effectiveness (IATA standard) • ITA Standard for Departure Lounges 8.5 ft2/acft. seat. • IATA Waiting and circulation areas &gt;10.8 ft2/person more than 15 min. • Architectural standard with baggage 15 ft2/person • Many airlines use 15 ft2/Pax @ 87%* load factor * 87% of passengers are at the waiting lounge 15 min. before departure.<BR>Advanced Airport and Airspace Capacity Seminar 24 of 38<BR>Waiting Lounges (Examples) DFW Airport<BR>Advanced Airport and Airspace Capacity Seminar 25 of 38<BR>Waiting Lounge Sizing Let n = 150 Passengers (medium-size transport) S = 15 ft/Passenger standard L = 0.87 (87% Load Factor) A = 2600 ft2 Area of Dept. lounge Find max. service volume. (SV) @ 15 ft2/Pax. SV A L()S() ----------------199Pax= =<BR>Advanced Airport and Airspace Capacity Seminar 26 of 38<BR>Parking Facilities at Airports Charlotte-Douglas Intl. Airport (North Carolina)<BR>Advanced Airport and Airspace Capacity Seminar 27 of 38<BR>The Curbside at the Airport<BR>Advanced Airport and Airspace Capacity Seminar 28 of 38<BR>Control Towers at Airports ASDE Radars Washington Dulles DFW Airport<BR>Advanced Airport and Airspace Capacity Seminar 29 of 38<BR>Control Towers Denver Intl. Airport Oklahoma City<BR>Advanced Airport and Airspace Capacity Seminar 30 of 38<BR>Baggage Systems • Not to be understimated • Some systems are very complex • Direct feed systems • Remote feed systems • Plenty of automation these days • Some system scarry 15,000 bags per hour<BR>Advanced Airport and Airspace Capacity Seminar 31 of 38<BR>Baggage Systems (Remote Feed System)<BR>Advanced Airport and Airspace Capacity Seminar 32 of 38<BR>Baggage Systems (Departure)<BR>Advanced Airport and Airspace Capacity Seminar 33 of 38<BR>Baggage Systems (Automated Sorting)<BR>Advanced Airport and Airspace Capacity Seminar 34 of 38<BR>Direct Feed System (Hart)<BR>Advanced Airport and Airspace Capacity Seminar 35 of 38<BR>Direct Feed System (IATA)<BR>Advanced Airport and Airspace Capacity Seminar 36 of 38<BR>Baggage Claim Systems Direct Feed System Remote Feed System<BR>Advanced Airport and Airspace Capacity Seminar 37 of 38<BR>References 1) IATA. Airport Development Reference Manual: 8th Edition. International Airline Transport Association, Montreal, 1995.<BR>Advanced Airport and Airspace Capacity Seminar 38 of 38
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