aviation fuel
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2022 ◽  
Vol 236 ◽  
pp. 111760
Author(s):  
Xuehuan Hu ◽  
Zhenhong Yu ◽  
Longfei Chen ◽  
Yong Huang ◽  
Chi Zhang ◽  
...  

Author(s):  
Araceli Guadalupe Romero‐Izquierdo ◽  
Claudia Gutiérrez‐Antonio ◽  
Fernando Israel Gómez‐Castro ◽  
Salvador Hernández

2022 ◽  
Author(s):  
Joel C. Corbin ◽  
Tobias Schripp ◽  
Bruce E. Anderson ◽  
Greg J. Smallwood ◽  
Patrick LeClercq ◽  
...  

Abstract. Sustainable aviation fuels (SAFs) have different compositions compared to conventional petroleum jet fuels, particularly in terms of fuel sulphur and hydrocarbon content. These differences may change the amount and physicochemical properties of volatile and non-volatile particulate matter (nvPM) emitted by aircraft engines. In this study, we evaluate whether comparable nvPM measurement techniques respond similarly to nvPM produced by three blends of SAFs compared to three conventional fuels. Multiple SAF blends and conventional (Jet A-1) jet fuels were combusted in a V2527-A5 engine, while an additional conventional fuel (JP-8) was combusted in a CFM56-2C1 engine. We evaluated nvPM mass concentration measured by three real-time sampling techniques: photoacoustic spectroscopy, laser-induced incandescence, and the extinction-minus-scattering technique. Various commercial instruments were tested including three LII 300s, one PAX, one MSS+, and two CAPS PMSSA. Mass-based emission indices (EIm) reported by these techniques were similar, falling within 30 % of their geometric mean for EIm above 100 mg/kgfuel (approximately 10 μg PM m−3 at the instrument), this geometric mean was therefore used as a reference value. Additionally, two integrative measurement techniques were evaluated: filter photometry and particle size distribution (PSD) integration. The commercial instruments used were one TAP, one PSAP, and two SMPSs. These techniques are used in specific applications, such as on-board research aircraft to determine PM emissions at cruise. EIm reported by the alternative techniques fell within approximately 50 % of the mean aerosol-phase EIm. In addition, we measured PM-number-based emissions indices using PSDs and condensation particle counters. The commercial instruments used included TSI SMPSs, a Cambustion DMS500, and an AVL APC, and the data also fell within approximately 50 % of their geometric mean. The number-based emission indices were highly sensitive to the accuracy of the sampling-line penetration functions applied as corrections. In contrast, the EIm data were less sensitive to those corrections since a smaller volume fraction fell within the size range where corrections were substantial. A separate, dedicated experiment also showed that the operating laser fluence used in the LII 300 laser-induced incandescence instrument for aircraft engine nvPM measurement is adequate for a range of SAF blends investigated in this study. Overall, we conclude that all tested instruments are suitable for the measurement of nvPM emissions from the combustion of SAF blends in aircraft engines.


2022 ◽  
Author(s):  
Keiichi Okai ◽  
Hitoshi Fujiwara ◽  
Takuya Mizuno ◽  
Seiji Yoshida ◽  
Takeshi Yamamoto ◽  
...  
Keyword(s):  

2022 ◽  
Author(s):  
Conor Faulhaber ◽  
Shane T. Kosir ◽  
Kathleen Gawelek ◽  
Randall Boehm ◽  
Joshua S. Heyne
Keyword(s):  

Author(s):  
Chunwei Liu ◽  
Yan-Cheng Hu ◽  
Guangyi Li ◽  
Ai-Qin Wang ◽  
Cong Yu ◽  
...  

Decalins are the main component of JP-900, a coal-based thermal stable advanced aviation fuel. Meanwhile, these compounds are also widely used as additives to improve the volumetric heat value and...


Joule ◽  
2022 ◽  
Author(s):  
Derek R. Vardon ◽  
Bryan J. Sherbacow ◽  
Kaiyu Guan ◽  
Joshua S. Heyne ◽  
Zia Abdullah
Keyword(s):  
Net Zero ◽  

2022 ◽  
Vol 225 ◽  
pp. 107057
Author(s):  
Kanghong Yao ◽  
Xiaomin He ◽  
Yi Jin ◽  
Rong Lu ◽  
Xudong Lang
Keyword(s):  

2022 ◽  
Vol 35 (1) ◽  
Author(s):  
Xiaotian Peng ◽  
Hongming Wang ◽  
Long Huang ◽  
Hao Peng ◽  
Yangyang Wang ◽  
...  

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