Calculation and Analysis of New Taxiing Modes on Aircraft Pollutant Emissions in Coastal Airports of China

Pan, Weijun; Ye, Youjun; Li, Xiaolin; Zhang, Zhiwei; Lai, Xin

doi:10.2112/si83-075.1

Cited by 2 publications

(2 citation statements)

References 13 publications

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“…However, the calculated results were obtained under ideal weather and uniform taxiing state, which presented a considerable difference from practical results. Pan et al [33] made a new taxiing mode for aircrafts through ground and airborne equipment. They calculated fuel consumption and emissions of all aircrafts in the airport under full taxiing mode and the new one.…”

Section: Traction Taxiing Modesmentioning

confidence: 99%

Assessment Method of Fuel Consumption and Emissions of Aircraft during Taxiing on Airport Surface under Given Meteorological Conditions

et al. 2019

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Reducing fuel consumption and emissions of aircrafts during taxiing on airport surfaces is crucial to decrease the operating costs of airline companies and construct green airports. At present, relevant studies have barely investigated the influences of the operation environment, such as low visibility and traffic conflict in airports, reducing the assessment accuracy of fuel consumption and emissions. Multiple aircraft ground propulsion systems on airport surfaces, especially the electric green taxiing system, have attracted wide attention in the industry. Assessing differences in fuel consumption and emissions under different taxiing modes is difficult because environmental factors were hardly considered in previous assessments. Therefore, an innovative study was conducted based on practical running data of quick access recorders and climate data: (1) Low visibility and taxiing conflict on airport surfaces were inputted into the calculation model of fuel consumption to set up a modified model of fuel consumption and emissions. (2) Fuel consumption and emissions models under full- and single-engine taxiing, external aircraft ground propulsion systems, and electric green taxiing system could accurately estimate fuel consumption and emissions under different taxiing modes based on the modified model. (3) Differences in fuel consumption and emissions of various aircraft types under four taxiing modes under stop-and-go and unimpeded aircraft taxiing conditions were obtained through a sensitivity analysis in Shanghai Pudong International Airport under three thrust levels. Research conclusions provide support to the airport management department in terms of decision making on taxiway optimization.

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Section: Traction Taxiing Modesmentioning

confidence: 99%

Assessment Method of Fuel Consumption and Emissions of Aircraft during Taxiing on Airport Surface under Given Meteorological Conditions

et al. 2019

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“…In another study by Altuntas, 25 similar results were obtained based on the global warming potential for the LTO cycle of aircraft emissions at these airports. Pan et al 26 investigated the characteristics of the new taxiing modes and a variety of APU power settings to calculate the energy savings and emission reduction impacts of the new taxiing modes compared to full aircraft taxiing for coastal airports of China and their results showed that these airports will consume 938019.54 tons of fuel and emit 2713.05, 22882.00, 3500.25, 2959451.66, and 750.42 tons of HC, CO, NO x , CO 2 , and SO 2 , respectively. They claim that the new taxi modes will save fuel consumption by at least 75% and pollutant emissions by 60%.…”

Section: Introductionmentioning

confidence: 99%

Assessment of emission and environmental parameters of different commercial high by‐pass turbofan engines throughout landing and take‐off cycle

Sheikhi

Aygün

2022

Env Prog and Sustain Energy

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Achieving more eco-friendly aircraft propulsion systems is of paramount importance in the aerospace industry since their exhaust emissions possess an important influence on the depletion of ozone layer. In this work, 24 turbofan engines having the close thrust ranging from 117 to 133 kN are examined using energetic, exergetic, and exergo-environmental tools throughout the LTO cycle involving take-off, climb-out, approach, and taxi-out phases. According to emission findings, the highest CO emission indexes (CO EIs) of the engines vary from 13.77 to 40.1 g/kg fuel in the idle phase; whereas the highest NO x EIs change from 18.4 to 64.36 g/kg fuel at take-off phase. Moreover, the highest exergy efficiency (ExEFF) of the turbofan engines vary between 15.88% and 24.31% at the climb-out phase whilst the lowest ExEFF change between 4.59% and 7.46% at the idle phase. Moreover, the idle phase is observed to have the highest wasted exergy ratio (WExR) varying from 18.5% to 19%; whereas the climb-out phase enjoys the lowest WExR changing from 15.11% to 16.8%. As a new index, specific irreversibility production (SIP) of the engines is observed to range from 0.297 to 0.497 MW/kN at the taxi-out phase; while SIP becomes the minimum at the climb-out phase, changing from 0.138 to 0.269 MW/kN. It could be deduced that since by-pass ratio and compressor pressure ratio of the engines have significant influences on exergetic and emission values, increasing the thrust of the engine does not mean raising its emission value or wasted exergy ratio. It is thought that this study helps find optimum design variables leading to the lowest environmental effect.

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Calculation and Analysis of New Taxiing Modes on Aircraft Pollutant Emissions in Coastal Airports of China

Cited by 2 publications

References 13 publications

Assessment Method of Fuel Consumption and Emissions of Aircraft during Taxiing on Airport Surface under Given Meteorological Conditions

Assessment Method of Fuel Consumption and Emissions of Aircraft during Taxiing on Airport Surface under Given Meteorological Conditions

Assessment of emission and environmental parameters of different commercial high by‐pass turbofan engines throughout landing and take‐off cycle

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