Simulation of The Infrared Emission From Nonscattering Aircraft Engine Exhaust Plumes Using Statistical Narrowband Models In Conjunction With Model parameters based on the modern spectroscopic data

2012 ◽  
Author(s):  
Alexander Sventitskiy ◽  
Christian Mundt
Keyword(s):  
Spectroscopic Data ◽  
Aircraft Engine ◽  
Infrared Emission ◽  
Model Parameters ◽  
Engine Exhaust ◽  
Exhaust Plumes

Electric Charging of Soot Particles in Aircraft Engine Exhaust Plumes

2004 ◽  
Vol 39 (3) ◽  
pp. 384-392 ◽  
Author(s):  
A. B. Vatazhin ◽  
A. M. Starik ◽  
E. K. Kholshchevnikova
Keyword(s):  
Aircraft Engine ◽  
Engine Exhaust ◽  
Soot Particles ◽  
Exhaust Plumes

CRUCIBLE 347

Alloy Digest ◽  
1983 ◽  
Vol 32 (12) ◽  
Keyword(s):  
Fracture Toughness ◽  
Corrosion Resistance ◽  
High Temperature ◽  
Aircraft Engine ◽  
Heat Treating ◽  
Nickel Steel ◽  
Annealed Condition ◽  
Engine Exhaust ◽  
Cold Worked ◽  
Specialty Metals

Abstract CRUCIBLE F347 is a non-hardenable austenitic chromium-nickel steel that is particularly adaptable for use at temperatures between 800 and 1650 F. It is non-magnetic in the annealed condition but is slightly magnetic in the cold-worked condition. Among its many applications are aircraft-engine exhaust manifolds, boiler shells and high-temperature handling equipment. This datasheet provides information on composition, physical properties, hardness, elasticity, and tensile properties as well as fracture toughness. It also includes information on corrosion resistance as well as forming, heat treating, machining, and joining. Filing Code: SS-436. Producer or source: Crucible Specialty Metals Division, Colt Industries.

CRUCIBLE 321

Alloy Digest ◽  
1983 ◽  
Vol 32 (5) ◽  
Keyword(s):  
Fracture Toughness ◽  
Aircraft Engine ◽  
Heat Treating ◽  
Nickel Steel ◽  
Annealed Condition ◽  
Engine Exhaust ◽  
Expansion Joints ◽  
Temperature Performance ◽  
Cold Worked ◽  
Specialty Metals

Abstract CRUCIBLE 321 is a non-hardenable austenitic chromium-nickel steel which is particularly adaptable for parts fabricated by welding without postweld annealing for use at temperatures between 800 and 1500 F. This grade is non-magnetic in the annealed condition but is slightly magnetic when cold worked. Among its many applications are aircraft-engine exhaust manifolds, furnace parts and expansion joints. This datasheet provides information on composition, physical properties, hardness, elasticity, and tensile properties as well as fracture toughness and creep. It also includes information on high temperature performance and corrosion resistance as well as forming, heat treating, machining, and joining. Filing Code: SS-426. Producer or source: Crucible Specialty Metals Division, Colt Industries.

Aero-Gasturbine Emission Reduction and Simulation Technology: Philosophy and Approach

2004 ◽  
Author(s):  
Savad A. Shakariyants ◽  
Jos P. van Buijtenen ◽  
Wilfried P. J. Visser
Keyword(s):  
Emission Reduction ◽  
Aircraft Engine ◽  
Exhaust Emissions ◽  
Simulation Technology ◽  
Aircraft Emissions ◽  
Engine Exhaust ◽  
Operational Conditions ◽  
University Of Technology ◽  
Analytical Tools ◽  
Exhaust Gas Emissions

Aircraft engine technology has gained major advances in the past 40–50 years, steadily bringing significant gains in the reduction of exhaust emissions at the source. However, with the projected increase in air traffic, the cumulative amount of aircraft emissions will still increase. This maintains the need for further progress in developing analytical methods to predict the amount and composition of exhaust gases from aircraft engines to better assess the alternatives for reducing emissions and better inform decision-makers, manufacturers and operators. The Research Project “Aero-Gasturbine Emission Reduction and Simulation Technology”, started at the Delft University of Technology in collaboration with the Dutch National Aerospace Laboratory (NLR) and the Netherlands Ministry of Traffic, is aimed to contribute to the efforts to solve the problem. With the limitations, complexity and costs of emission measurements at operational conditions, the ability to predict engine exhaust emissions by means of analytical tools becomes more urgent for minimizing aircraft engine exhaust gas emissions. This paper presents a philosophy and approach to develop such tools.

Nonintrusive optical measurements of aircraft engine exhaust emissions and comparison with standard intrusive techniques

2000 ◽  
Vol 39 (3) ◽  
pp. 441 ◽  
Author(s):  
Klaus Schäfer ◽  
Jörg Heland ◽  
Dave H. Lister ◽  
Chris W. Wilson ◽  
Roger J. Howes ◽  
...  
Keyword(s):  
Aircraft Engine ◽  
Exhaust Emissions ◽  
Optical Measurements ◽  
Engine Exhaust

scholarly journals Application of a hygroscopicity tandem differential mobility analyzer for characterizing PM emissions in exhaust plumes from an aircraft engine burning conventional and alternative fuels

2018 ◽  
Vol 18 (23) ◽  
pp. 17029-17045 ◽  
Author(s):  
Max B. Trueblood ◽  
Prem Lobo ◽  
Donald E. Hagen ◽  
Steven C. Achterberg ◽  
Wenyan Liu ◽  
...  
Keyword(s):  
Alternative Fuels ◽  
Particle Diameter ◽  
Aircraft Engine ◽  
Aviation Fuel ◽  
Limited Information ◽  
Differential Mobility Analyzer ◽  
Differential Mobility ◽  
Fischer Tropsch ◽  
Hygroscopic Properties ◽  
Exhaust Plumes

Abstract. In the last several decades, significant efforts have been directed toward better understanding the gaseous and particulate matter (PM) emissions from aircraft gas turbine engines. However, limited information is available on the hygroscopic properties of aircraft engine PM emissions which play an important role in the water absorption, airborne lifetime, obscuring effect, and detrimental health effects of these particles. This paper reports the description and detailed lab-based performance evaluation of a robust hygroscopicity tandem differential mobility analyzer (HTDMA) in terms of hygroscopic properties such as growth factor (GF) and the hygroscopicity parameter (κ). The HTDMA system was subsequently deployed during the Alternative Aviation Fuel EXperiment (AAFEX) II field campaign to measure the hygroscopic properties of aircraft engine PM emissions in the exhaust plumes from a CFM56-2C1 engine burning several types of fuels. The fuels used were conventional JP-8, tallow-based hydroprocessed esters and fatty acids (HEFA), Fischer–Tropsch, a blend of HEFA and JP-8, and Fischer–Tropsch doped with tetrahydrothiophene (an organosulfur compound). It was observed that GF and κ increased with fuel sulfur content and engine thrust condition, and decreased with increasing dry particle diameter. The highest GF and κ values were found in the smallest particles, typically those with diameters of 10 nm.

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