Gas Chromatographic Measurement of Trace Oxygen and Other Dissolved Gases in Thermally Stressed Jet Fuel

Rubey, Wayne A.; Striebich, Richard C.; Tissandier, Michael D.; Tirey, Debra A.; Anderson, Stacy

doi:10.1093/chromsci/33.8.433

Cited by 31 publications

(29 citation statements)

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“…E-mail: ervin@udavxb.oca.udayton.edu. Packard 5890 Series II gas chromatograph (Rubey et al, 1992). After passing through two heated sections, the fuel flows into the cooled section and then is collected in a waste reservoir.…”

Section: Methodsmentioning

confidence: 99%

Dissolved Oxygen Concentration and Jet Fuel Deposition

Ervin

Williams

1996

Ind. Eng. Chem. Res.

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The effects of low dissolved oxygen concentrations on fuel thermal stability are far from being understood; however, such an understanding is essential for aircraft fuel system design. Experiments were conducted using a flowing system in which the dissolved oxygen level at the entrance of the apparatus is varied. One of the most intriguing results of these experiments is the increase in deposits in heated sections for decreased oxygen consumption. This observation is seemingly contrary to nearly all previous observations concerning the relation between deposit formation and oxygen consumption. For a given system, there appears to be a least favorable dissolved oxygen concentration which produces the maximum amount of deposits. In addition, the deposition mechanisms in heated locations were quite different from those in cooled regions.

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Section: Methodsmentioning

confidence: 99%

Dissolved Oxygen Concentration and Jet Fuel Deposition

Ervin

Williams

1996

Ind. Eng. Chem. Res.

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“…For the thermal-oxidative chemistry studies, measurements of the dissolved O 2 are obtained by in-line sampling of the fuel and injection into a gas chromatograph and are reproducible to within 5% [21]. The dissolved O 2 was measured before the inlet (from a Tee not shown) and near the outlet (from the Tee in Fig.…”

Section: Methodsmentioning

confidence: 99%

Turbulent Flow, Heat Transfer Deterioration, and Thermal Oxidation of Jet Fuel

Jiang

Ervin

West

et al. 2013

Journal of Thermophysics and Heat Transfer

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Computational fluid dynamics simulations can be used to simulate the flow, heat transfer, and fuel chemistry within fuel system cooling passageways. The standard k-ε turbulence model with the standard wall function, renormalization group k-ε model with an enhanced wall function, and the shear stress transport k-ω model were evaluated for their ability to represent turbulent fuel flow and heat transfer under high heat flux and flow rate conditions. The renormalization group k-ε model with an enhanced wall function provided the greatest fidelity in representation of turbulent thermal and flow behavior studied in heated tube experiments conducted at supercritical pressure. Moreover, the renormalization group k-ε model with an enhanced wall function allowed reasonable simulation of heat transfer deterioration, which was more likely for flow conditions involving a large heat flux with low mass flux rate. As the fuel was heated from the liquid to the supercritical phase, the viscosity temperature dependence was the primary transport property leading to heat transfer deterioration. A pseudodetailed chemical kinetic mechanism was used to study the effect of high heat flux and flow rate on dissolved O 2 consumption together with a global submechanism for the simulation of thermal-oxidative surface deposition. The deposition submechanism developed previously for low heat flux conditions provided reasonable agreement between normalized, measured, and simulated deposit profiles.

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“…Thus, it is sufficient to carry out a two-point calibration (usually a saturated solution and an oxygen-free medium). The value found in airsaturated fuel was compared with values found by other method [23] to verify the correctness of the iodometric titration results. The relative error was less than 1%.…”

Section: Investigation Of the Sensor Properties In Aviation Fuelmentioning

confidence: 95%

Optical Analyzer for Continuous Monitoring of Dissolved Oxygen in Aviation Fuel and Other Non-aqueous Media

Melnikov

Kozhukhova

Naumova

et al. 2019

IJE

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A special sensitive element based on the novel composite material was created. The sensor has a linear calibration and is resistant to aliphatic hydrocarbons, in particular aviation fuel. A low cost and easyto-implement method for calibrating the sensor was proposed. Temperature dependence of the oxygen mass transfer coefficient kL was measured for aviation fuel TS-1 (Russian equivalent of Jet A-1) in the temperature range of 10 to 40 °C as a demonstration of the sensor capabilities. The dependence found obeys the Arrhenius equation with the parameters EA = 21.7 ± 1.5 kJ/mol, kL0 = 1080 ± 90 m·h -1 . The resistance to mechanical action is one of the important advantages over the sensor made of a sol-gel matrix with a protective coating. Damage to some part of the surface does not change the properties of the entire sensor, since the composite material contains a large number of isolated particles with a dye.

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Gas Chromatographic Measurement of Trace Oxygen and Other Dissolved Gases in Thermally Stressed Jet Fuel

Cited by 31 publications

References 0 publications

Dissolved Oxygen Concentration and Jet Fuel Deposition

Dissolved Oxygen Concentration and Jet Fuel Deposition

Turbulent Flow, Heat Transfer Deterioration, and Thermal Oxidation of Jet Fuel

Optical Analyzer for Continuous Monitoring of Dissolved Oxygen in Aviation Fuel and Other Non-aqueous Media

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