... still mostly run on leaded aviation gasoline, or avgas. In fact, avgas is one of the few fuels in the ... effort to finally get the lead out of avgas—something the aviation and petroleum industries have been ... still.11,12But unlike automobile gasoline, lead in avgas has remained unreg-ulated.3 Tetraethyl lead (TEL) is added to avgas to increase octane and thereby prevent "knock," or ... to do so. Today the most widely available avgas is 100-octane low lead, or 100LL, which ... aircraft,14 have piston engines and typically use avgas—some 225 million gallons of it in 2011, ...
Tópico(s): Environmental Justice and Health Disparities
2013 - National Institute of Environmental Health Sciences | Environmental Health Perspectives
Marie Lynn Miranda, Rebecca Anthopolos, Douglas Hastings,
Aviation gasoline, commonly referred to as avgas, is a leaded fuel used in small aircraft. Recent concern about the effects of lead emissions from planes has motivated the U.S. Environmental Protection to consider regulating leaded avgas.In this study we investigated the relationship between lead from avgas and blood lead levels in children living in ... approximate areas surrounding airports in which lead from avgas may be present in elevated concentrations in air ... of an airport at which planes use leaded avgas have higher blood lead levels than other children. ...
Tópico(s): Heavy metals in environment
2011 - National Institute of Environmental Health Sciences | Environmental Health Perspectives
Thanikasalam Kumar, Rahmat Mohsin, Fahmi Mohammad, K Ilanchelvi, M Ananth,
... an added substance in 100 Low Lead (100LL) (AVGAS) to help in detonation as detonation creates very ... the octane levels would be too low for AVGAS, and utilisation of a lower octane fuel than ... fuels could satisfy all the performance requirements of AVGAS 100LL for safe and reliable operations without further ... lead emissions caused by the GA aircrafts using AVGAS 100LL as the fuel. Concerns of EDB exposure, ...
Tópico(s): Vehicle emissions and performance
2018 - AIDIC-Italian Association of Chemical Engineering | Chemical engineering transactions
Sammy Zahran, Christopher James Keyes, Bruce P. Lanphear,
Lead-formulated aviation gasoline (avgas) is the primary source of lead emissions in the United States today, consumed by over 170,000 piston-engine aircraft ( ... of a PEA-servicing airport. The disposition of avgas around such airports may be an independent source ... the volume of PEA traffic and quantities of avgas sold at the airport. The BLLs of airport- ... depth case study indicates that the deposition of avgas significantly elevates the BLLs of at-risk children.
Tópico(s): Noise Effects and Management
2023 - Oxford University Press | PNAS Nexus
Thanikasalam Kumar, Rahmat Mohsin, Zulkifli Abd. Majid, Mohammad Fahmi Abdul Ghafir, Nur Kamilah Yusuf, Je Young Kim, Ananth Manickam Wash, Dzulkarnain Mohd Sahri,
AVGAS is a specially blended gasoline for use in aircraft engines of the piston type. AVGAS contains TEL additive for octane boosting but is ... unleaded Motor Gasoline (MOGAS) is an alternative for AVGAS. In this study, all the test fuels were ... fuels were RON 98 (unleaded high-aromatic MOGAS), AVGAS, 20%, 30%, 50%, 70% and 80% blend ratios. ...
Tópico(s): Biodiesel Production and Applications
2019 - Elsevier BV | Fuel
Won-Ju Park, Hye-Min Gu, Suk‐Ho Lee,
... confirmed an environmental impact of leaded aviation gasoline (AVGAS).This study included a total of 256 male aircraft maintenance personnel, among whom 105 used only AVGAS as their aviation fuel, while 151 used only ... the personnel at the airbases that used only AVGAS were 4.20 microg x dl(-1) and ... a body's BLL could be increased by AVGAS emissions through the examination of aircraft maintenance crew. ...
Tópico(s): Air Quality and Health Impacts
2013 - Aerospace Medical Association | Aviation Space and Environmental Medicine
Mark E. Conrad, Alexis S. Templeton, Paul F. Daley, Lisa Alvarez‐Cohen,
... samples from a shallow plume of aviation gas (AVGAS) were analyzed to assess levels and pathways of ... indicating they were primarily formed from degradation of AVGAS and not other potential carbon sources such as ... lower (−26‰), indicating that aerobic degradation of the AVGAS was dominant in this area. Beyond the down- ... part of the plume was slowly degrading the AVGAS, but aerobic activity at the edges of the ...
Tópico(s): Methane Hydrates and Related Phenomena
1999 - Elsevier BV | Organic Geochemistry
... aims to present the impact of using leaded avgas in piston-prop aircraft, in Turkey. Design/methodology/ ... total amount of consumed aviation fuels (kerosene or avgas). The number of aircraft and traffic that will ... the fuel must be improved (short term). The avgas used in piston-prop aircraft is known to ... as a result, the production or consumption of avgas has adverse effects on human health, the ecosystem ...
Tópico(s): Advanced Aircraft Design and Technologies
2020 - Emerald Publishing Limited | Aircraft Engineering and Aerospace Technology
Thanikasalam Kumar, Rahmat Mohsin, Fahmi Mohammad, K Ilanchelvi, M Ananth,
Tetraethylead (TEL) is an additive in aviation gasoline (AVGAS) fuels to help suppress knock. Knock produces very ... to further reduce or totally eliminate TEL from avgas 100LL. This paper assists aviation research students to further research and gain comprehensive knowledge on AVGAS, the problems on AVGAS and alternative fuel initiatives around the globe. If ...
Tópico(s): Air Quality and Health Impacts
2018 - AIDIC-Italian Association of Chemical Engineering | Chemical engineering transactions
Kai Chen, Ting Sun, Hai Xiang,
... the complete removal of TEL from aviation gasoline (avgas) is a desirable pursuit. In order to maintain high antiknock performance of avgas, an advanced adsorption method was developed using 5A zeolite to remove linear and monobranched alkane from avgas for octane number enhancement. An experimental study of ...
Tópico(s): Gas Sensing Nanomaterials and Sensors
2015 - Wiley | The Canadian Journal of Chemical Engineering
Bret Windom, Tara M. Lovestead, Thomas J. Bruno,
... health effects of leaded aviation gasoline (typically called avgas). This concern, in addition to the increasing price ... led to research involved with developing an unleaded avgas with the ability to meet performance regulations and ... vapor liquid equilibrium of two newly developed unleaded avgas fluids. For complex fluids, such as gasoline, the ...
Tópico(s): Thermodynamic properties of mixtures
2010 - American Chemical Society | Energy & Fuels
C. B. Burns, Bart J. Currie, Alan Clough, Reggie Wuridjal,
... of strategies--including replacing petrol with aviation gasoline (avgas) in the fuel supply, and employment and skills- ... sniffing, indicating they had not continued to sniff avgas, which contains lead additives (0.8 g/L).While avgas introduction was a key element in eliminating petrol ...
Tópico(s): Traditional and Medicinal Uses of Annonaceae
1995 - Wiley | The Medical Journal of Australia
Thanikasalam Kumar, Rahmat Mohsin, A G Mohammad Fahmi, A M Zulkifli, N Noor Shawal, K Ilanchelvi, M Ananth, R Elayarasan,
... That is because these aircraft, which depend on avgas and mogas to run, comprise major remaining sources ... review on emissions of piston engine aircraft using avgas as fuel and mogas as fuel.
Tópico(s): Advanced Combustion Engine Technologies
2018 - IOP Publishing | IOP Conference Series Materials Science and Engineering
Yunenthiran Rajendran, Prof Dr Rahmat Mohsin,
... rely on 100 low lead (100LL) Aviation Gasoline (AVGAS) for safe operation.AVGAS has high levels of Tetraethyl Lead (TEL).TEL ... for continuation of TEL as an additive in AVGAS is because aircraft engines are prone to engines ... or Plumbum (Pb), which is the additive of AVGAS, for octane boosting and valve recession avoidance, can ... Gasoline (MOGAS) accessible as another option to leaded AVGAS for the use in reciprocating aviation engines.The ... has relatively lower octane rating compared to leaded AVGAS.Due to knocking and engine parameter performance, utilization ...
Tópico(s): Advanced Combustion Engine Technologies
2018 - Zibeline International Publishing | Environment & Ecosystem science
Kristin Brandt, Robert Wooley, Scott Geleynse, Johnway Gao, J. Y. Zhu, Ralph P. Cavalieri, Michael P. Wolcott,
... a combination of jet fuel and aviation gasoline (AvGas). The residuals are used to produce co‐products. ... selection on the primary products, jet fuel, and AvGas minimum selling prices (MSPs). For the baseline (BL) ...
Tópico(s): Biodiesel Production and Applications
2020 - Wiley | Biofuels Bioproducts and Biorefining
Produção Nacional
Revisado por pares
Paulo Fabrício Macário, Ângela Aparecida Vieira, Lucas Augusto Manfroi, Michely G. P. da Silva, Priscila Maria Sarmeiro Corrêa Marciano Leite, Lúcia Vieira,
... immersion test with aviation fuel Jet‐A1 and AVGAS 100LL. The surface morphology from aluminum substrates with ...
Tópico(s): Ion-surface interactions and analysis
2019 - Wiley | Materials and Corrosion
Sammy Zahran, Terrence Iverson, Shawn P. McElmurry, Stephan Weiler,
... atmosphere is attributable to lead-formulated aviation gasoline (avgas), used in a large fraction of piston-engine ... conservative estimate of the social damages attributable to avgas consumption. Damages are at least $10 per gallon, ...
Tópico(s): Environmental Justice and Health Disparities
2017 - University of Chicago Press | Journal of the Association of Environmental and Resource Economists
Alexander W. McCumber, Keith A. Strevett,
... still used as an additive to aviation gasoline (avgas). Airports are now one of the greatest sources ... of prevailing winds with "hot spots" near the avgas fueling stations.
Tópico(s): Heavy Metal Exposure and Toxicity
2016 - Elsevier BV | Chemosphere
E.L. Carr, Mark Lee, Kristen Marin, Christopher Thomas Holder, Marion Hoyer, Meredith Pedde, Rich Cook, Jawad S. Touma,
... near general aviation airports where leaded aviation gasoline (avgas) is used. These detailed procedures were made to ... that engine run-up time, Pb concentration in avgas, and the fraction of piston-engine aircraft that ...
Tópico(s): Atmospheric chemistry and aerosols
2011 - Elsevier BV | Atmospheric Environment
Tara M. Lovestead, Thomas J. Bruno,
... apply this method to low-lead aviation gasoline, avgas 100LL, and compare the results with those for ...
Tópico(s): Thermodynamic properties of mixtures
2009 - American Chemical Society | Energy & Fuels
Panagiotis Arkoudeas, S. Kalligeros, F. Zannikos, G. Anastopoulos, Dimitrios Karonis, Dimitrios M. Korres, E. Lois,
The first jet fuels were aviation gasoline (avgas), and the characteristics of subsequent jet fuels have evolved from this original choice, the available supply infrastructure, and the refiners' capabilities. Earlier on, it was evident that avgas would have to be altered to operate satisfactorily ...
Tópico(s): Advanced Combustion Engine Technologies
2002 - Elsevier BV | Energy Conversion and Management
L. Maurice, Herbert R. Lander, T. Edwards, William Harrison,
The first 'jet fuels' were aviation gasoline (avgas), and the characteristics of subsequent jet fuels have evolved from this original choice, the available supply infrastructure, and the refiners' capabilities. Earlier on, it was evident that avgas would have to be altered to operate satisfactorily ...
Tópico(s): Rocket and propulsion systems research
2001 - Elsevier BV | Fuel
Craig W. McCarrick, David T. Ohmer, Lynn A. Gilliland, Paul A. Edwards, Howard T. Mayfield,
... JP-7, JP-8, JetA, and aviation gasoline (AvGas). A sample of each neat fuel was injected ... five groups: JP-4, JP-5, JP-7, AvGas, or a combined JP-8/JetA group. In ...
Tópico(s): Fault Detection and Control Systems
1996 - American Chemical Society | Analytical Chemistry
Thanikasalam Kumar, M. F. Rahmat, A G Mohammad Fahmi, A M Zulkifli, N Noor Shawal, K Ilanchelvi, M Ananth, R Elayarasan,
... cannot be viewed as an option to 100LL avgas. The test likewise proposed that operational safety might ... needs fuel flow increase of 40% compared to AVGAS, MOGAS fuel is incompatible with some fuel system ...
Tópico(s): Advanced Combustion Engine Technologies
2018 - IOP Publishing | IOP Conference Series Materials Science and Engineering
Moshe Rabaev, Nir Goldin, Konstantin Tartakovsky, Itamar Tzadok, Udi Akiva, Roni Z. Shneck, Moshe Gottlieb,
... periods, the inner LLDPE layer is exposed to avgas (aviation gasoline), and the outer LLDPE layer – to ... aging process caused by the film interaction with avgas was examined by a variety of methods. Pb ... of small organic carbohydrate molecules originating from the avgas in the LLDPE. The viscoelastic and thermo-mechanical ...
Tópico(s): Asphalt Pavement Performance Evaluation
2014 - Elsevier BV | Polymer Degradation and Stability
Tara J. Fortin, Thomas J. Bruno,
... 7, JP-4, JP-TS, TS-1, and Avgas. All measurements were made using modulated differential scanning ...
Tópico(s): Advanced Combustion Engine Technologies
2022 - Elsevier BV | Fuel Processing Technology
... based fuel for turbine powered aircraft and leaded AVGAS for spark ignition reciprocating engine powered aircraft. These ...
Tópico(s): Advanced Aircraft Design and Technologies
2021 - Frontiers Media | Frontiers in Energy Research
Jakub Hospodka, Helena Bínová, Stanislav Pleninger,
... in the context of electricity price comparison with AVGAS prices. Moreover, we discuss the environmental impacts, especially ...
Tópico(s): Electric Vehicles and Infrastructure
2020 - Multidisciplinary Digital Publishing Institute | Energies
Kun Zhang, Tingting Chen, Yin-Jing Shen, Linfeng Zhang, Shuang Ma, Yan Huang,
... methanol and acetone) and liquid fuels (bioethanol and avgas). It is especially encouraging that the probe Sm- ...
Tópico(s): Luminescence and Fluorescent Materials
2020 - Elsevier BV | Sensors and Actuators B Chemical
... and weight of UAV and piston engine (using Avgas 100LL fuel) performance together with exhaust emissions in ...
Tópico(s): Advanced Combustion Engine Technologies
2020 - Emerald Publishing Limited | Aircraft Engineering and Aerospace Technology