Optical properties of Chinese RP-3 aviation kerosene at 297 and 423 K

Dong, Liang; Jiang, Minghu; Hu, Qi; Wu, Guozhong

doi:10.1016/j.ijleo.2015.12.104

Cited by 12 publications

(5 citation statements)

References 32 publications

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“…Spectrophotometric measurements at normal incidence were made using a [28], the ZnSe slab is fixed in an oven along with an temperature controller allowed the temperature of the cell to be controlled to within 5 0 C. The reflectance, transmittance and absorptance of a single ZnSe slab at normal incidence are given as [16] = + (…”

Section: Experimental Methods and Validationmentioning

confidence: 99%

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Optical properties of zinc selenide slabs at 373 and 423 K in the wavelength 2–15 μm

Zhang

Jiang

et al. 2016

Optik

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Zinc selenide (ZnSe) is a nonlinear optical crystal and infrared optical material, and its window exhibits unique optical properties in the various optical and electronic devices applications. Transmittance spectrum of ZnSe slabs in the infrared wavelength 2-15 μm at normal incidence were investigated by a Bruker V70 FTIR spectrometer. The optical constants of ZnSe at 373 and 423K were achieved by modeling the transmittance spectrum of ZnSe slab. Then the optical properties of single and double slabs were obtained, including transmittance, reflectance and absorptance. The results show that the shapes of transmittance, reflectance and absorptance spectrum of ZnSe slabs at 373 and 423K are similar, and single and double ZnSe slabs all have a wide transparent region. With the temperature increasing, the extinction coefficient of ZnSe decreases, but the refractive index of ZnSe increases. The thicker the thickness of ZnSe slab, the weaker the transmittance and reflectance of ZnSe slab, and the stronger the absorptance of ZnSe slab.

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Section: Experimental Methods and Validationmentioning

confidence: 99%

“…Optical properties of ZnSe are the basic optical parameters for analyzing ray transfer in ZnSe window [27], and measuring optical constants of liquid sample in optical cell that is consisted of double ZnSe slabs [8][9][10]28].…”

Section: Introductionmentioning

confidence: 99%

Optical properties of zinc selenide slabs at 373 and 423 K in the wavelength 2–15 μm

Zhang

Jiang

et al. 2016

Optik

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“…The JP-8 is composed of approximately 60% of isoand n-paraffins, about 20% mono-, di-, and tri-cycloparaffins, and aromatics [15]. However, RP-3 aviation kerosene is widely used for civil aviation in China [20][21][22], yet almost no research is available on the feasibility and the performance of neat RP-3 aviation kerosene in CI engines. RP-3 kerosene consists of saturated hydrocarbons (92.1% volume) and aromatic hydrocarbons (7.9% volume), which is different with JP-8.…”

Section: Abbreviationsmentioning

confidence: 99%

Comparative study of combustion and emissions of kerosene (RP-3), kerosene-pentanol blends and diesel in a compression ignition engine

et al. 2017

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“…For aviation heavy fuels, previous studies mainly focus on Jet A, Jet A-1, or JP-8 (common aviation fuels in the U.S.). Rocket propellant-3 kerosene (RP-3) is widely used in the Chinese aviation industry, [10][11][12] however, has been rarely investigated. Compared to the Jet A series and JP-8, RP-3 has quite different physical and chemical properties including the lower aromatic hydrocarbon content and boiling point, which can result in significant changes to the combustion and soot formation process.…”

Section: Introductionmentioning

confidence: 99%

Characterizing combustion performance and PM emissions of an aviation compression ignition engine by fueling RP-3 kerosene and RP-3/pentanol blends

Liang

Chen

Liu

et al. 2022

International Journal of Engine Research

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General aviation (GA) aircraft generally driven by aviation piston engines (APE) are currently experiencing promising growth globally. To relieve the fossil fuel scarce, the application of alternative fuels was extensively encouraged for green GA development. This study aims to investigate the suitability of using aviation kerosene rocket propellant 3 (RP-3) and its pentanol blends (by 30% volume fraction) in an aviation compression ignition (CI) engine, by comparing their combustion performance and emission characteristics differences under various injection timings with baseline diesel. The major combustion parameters including the in-cylinder pressure, heat release rate, ignition delay, combustion duration, indicated thermal efficiency (ITE), and indicated specific fuel consumption (ISFC) were evaluated as the crank angle (CA) 50 swept from 9 to 15° crank angle after top dead center (ATDC). The ITE of RP-3/Pentanol blends presented to be higher than those of diesel by 4.2%−5.0%, and pure RP-3 by 2.6%−3.4%. The improved ITE of the blended fuel is due to the longest ignition delay and the shortest combustion duration under all the CA50. Moreover, the particulate matter (PM) emissions with the number concentration, geometric mean diameter (GMD), size-resolved distribution characteristics were quantitatively analyzed for all the test fuels. RP-3/Pentanol dramatically reduced the number-based PM, by over 50% and two magnitudes of order lower than those of RP-3 and diesel, respectively. Improved PM emissions from the alcohol blends intensively was caused by the better premixing and evaporating states with subsequent homogeneous combustion. Additionally, the PM emissions of the three fuels exhibited different sensitivities to the varied injection timings. With the retardance of injection timings, the PM declined apparently for diesel and RP-3 due to prolonged ignition delay and decreased in-cylinder temperature, but remained nearly unchanged for RP-3/Pentanol because of the growth of nucleation mode PM.

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Optical properties of Chinese RP-3 aviation kerosene at 297 and 423 K

Cited by 12 publications

References 32 publications

Optical properties of zinc selenide slabs at 373 and 423 K in the wavelength 2–15 μm

Optical properties of zinc selenide slabs at 373 and 423 K in the wavelength 2–15 μm

Comparative study of combustion and emissions of kerosene (RP-3), kerosene-pentanol blends and diesel in a compression ignition engine

Characterizing combustion performance and PM emissions of an aviation compression ignition engine by fueling RP-3 kerosene and RP-3/pentanol blends

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