jet fuels
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Fuel ◽  
2022 ◽  
Vol 314 ◽  
pp. 123080
Author(s):  
Shiyu Yuan ◽  
Zhiqiang Liu ◽  
Guozhu Liu

2022 ◽  
Vol 66 ◽  
pp. 576-586
Author(s):  
Shanshuai Chen ◽  
Weichen Wang ◽  
Xue Li ◽  
Puxiang Yan ◽  
Wanying Han ◽  
...  
Keyword(s):  

2022 ◽  
Vol 236 ◽  
pp. 111822
Author(s):  
Xue Gong ◽  
Qing Xie ◽  
Hua Zhou ◽  
Zhuyin Ren
Keyword(s):  

Fuel ◽  
2022 ◽  
Vol 310 ◽  
pp. 122157
Author(s):  
Rene F.B. Goncalves ◽  
Bruno K.V. Iha ◽  
José A.F.F. Rocco ◽  
Aleksey E. Kuznetsov

2022 ◽  
Author(s):  
Paxton W. Wiersema ◽  
Keunsoo Kim ◽  
Tonghun Lee ◽  
Eric Mayhew ◽  
Jacob Temme ◽  
...  

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 ◽  
pp. 333-364
Author(s):  
Saleem A. Farooqui ◽  
Anil K. Sinha ◽  
Anjan Ray
Keyword(s):  

2022 ◽  
pp. 181-194
Author(s):  
Rozzeta Dolah ◽  
Salman Zafar ◽  
Mohamad Zaki Hassan

2022 ◽  
Vol 518 ◽  
pp. 112113
Author(s):  
Arumugam Ramesh ◽  
Kannan Shanthi ◽  
Minh-Tri Nguyen-Le

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