Thermophysical properties measurements and models for rocket propellant
                        RP-1:

Magee, Joseph W.; Bruno, Thomas J.; Friend, Daniel G.; Huber, Marcia L.; Laesecke, Arno; Lemmon, Eric W.; McLinden, Mark O.; Perkins, Robert L.; Baranski, Jörg; Widegren, Jason A.

doi:10.6028/nist.ir.6646

Cited by 27 publications

(56 citation statements)

References 26 publications

(26 reference statements)

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“…As an illustration of the application of the composition channel in resolving discrepancies in distillation curve data, one can compare the measurement of RP-1 considered earlier (Figure , Table ) with measurements performed on an off-specification lot of the same material. As part of a large program on the thermophysical properties of RP-1 recently completed at NIST, it was discovered that one of the samples of RP-1 was unusual in that it had a larger than expected concentration of aromatic and alkenic constituents . The within specification batch had markedly fewer aromatic and alkenic compounds, instead being much richer in saturated branched aliphatics.…”

Section: Resultsmentioning

confidence: 99%

“…As part of a large program on the thermophysical properties of RP-1 recently completed at NIST, it was discovered that one of the samples of RP-1 was unusual in that it had a larger than expected concentration of aromatic and alkenic constituents. 18 The within specification batch had markedly fewer aromatic and alkenic compounds, instead being much richer in saturated branched aliphatics. The unusual composition of the out of specification batch was reflected in numerous property measurements such as density, viscosity, and thermal decomposition rate constants.…”

Section: Resultsmentioning

confidence: 99%

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Improvements in the Measurement of Distillation Curves. 2. Application to Aerospace/Aviation Fuels RP-1 and S-8

Bruno

Smith

2006

Ind. Eng. Chem. Res.

139

225

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In a previous paper, a number of improvements in the method and apparatus used for the measurement of distillation curves for complex hydrocarbon fluid mixtures were presented. These improvements included the addition of a composition-explicit channel of data, improved temperature control and measurement, and improved and less uncertain volume measurement. In this paper, we demonstrate the improved approach with application to two complex hydrocarbon fluids, rocket propellant 1 (RP-1) and a synthetic JP-8 that is designated as S-8. RP-1 is a long-established hydrocarbon fuel that continues to be widely used since it was first developed in the 1950s. Modern versions of this fluid are produced from a narrow-range kerosene fraction that is processed to reduce unsaturated compounds and also sulfur-containing hydrocarbons. S-8 is a synthetic substitute for fluids such as JP-8 and Jet-A. It is produced with the Fischer Tropsch process from natural gas. As these new and reformulated fluids gain increasing application, especially in aviation/aerospace application, it will be increasingly important to have material characterization test procedures that are reproducible and that have a sound and fundamental basis. This will allow modeling of the properties and guide further refinement of the fluids.

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Section: Resultsmentioning

confidence: 99%

Section: Resultsmentioning

confidence: 99%

Improvements in the Measurement of Distillation Curves. 2. Application to Aerospace/Aviation Fuels RP-1 and S-8

Bruno

Smith

2006

Ind. Eng. Chem. Res.

139

225

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“…Both of these samples, which were pale pink in color (because of the presence of an added dye, azobenzene-4-azo-2-naphthol), were used as received. Detailed chemical analyses [by gas chromatography (GC), mass spectrometry (MS), and infrared spectrophotometry (IR)] of these fluids were done as part of this work, and this is available elsewhere . In addition to analysis by GC, MS, and IR, a total sulfur analysis was done by GC with a sulfur chemiluminescence detector (SCD), and a copper strip corrosion test (CSCT) was also done.…”

Section: Methodsmentioning

confidence: 99%

“…As such, a detailed identification of each product is unnecessary; only the rate of composition change is required. We point out, however, that a detailed analysis of RP-1 and its decomposition products has been done as part of this project and is reported elsewhere . A liquid sampling procedure was developed to minimize sample loss when the cells were opened.…”

Section: Methodsmentioning

confidence: 99%

Thermal Decomposition Kinetics of RP-1 Rocket Propellant

Andersen

Bruno

2005

Ind. Eng. Chem. Res.

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As part of a thermophysical and transport property measurement project, the global decomposition kinetics of the kerosene-based rocket propellant, RP-1, was investigated. We measured the decomposition of RP-1 at elevated temperatures (that is, under thermal stress) as a function of time and then derived a global pseudo-first-order rate constant that describes the overall mixture decomposition. While not as rigorous as a component-by-component kinetics analysis, this approach is, nevertheless, instructive and can be used to guide the aforementioned property measurements. Decomposition measurements were made at 375, 400, 425, and 500 °C for two separate samples of RP-1. One sample was a typical batch, showing the expected fractions of paraffins, cycloparaffins, olefins, and aromatics. The other was an off-specification batch that had unusually high olefin and aromatic contents. Decomposition rate constants ranged from 6.92 × 10-5 s-1 at 375 °C to 1.07 × 10-3 s-1 at 500 °C. While the primary purpose of this work was to establish operating ranges for the property measurements, the results clearly have implications in other facets of RP-1 application. These applications include establishing operating ranges for supercritical fluid heat sink regimes, setting residence times in motors, etc. In addition to the decomposition kinetics, we have also done a chemical analysis of the vapor phase that is produced upon thermal stress. The vapor phase for this analysis was extracted using a new gas−liquid separator.

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“…The thermal decomposition of the JP-8 fluids is being assessed with an ampoule testing instrument and approach that has been developed at NIST [1][2][3][4]. It must be understood that this work is meant strictly to support the physical property measurement work, and not to delineate reaction mechanisms.…”

Section: Technical Discussionmentioning

confidence: 99%

Thermodynamic, transport, and chemical properties of reference JP-8

Bruno¹

2010

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Thermophysical properties measurements and models for rocket propellant RP-1:

Cited by 27 publications

References 26 publications

Improvements in the Measurement of Distillation Curves. 2. Application to Aerospace/Aviation Fuels RP-1 and S-8

Improvements in the Measurement of Distillation Curves. 2. Application to Aerospace/Aviation Fuels RP-1 and S-8

Thermal Decomposition Kinetics of RP-1 Rocket Propellant

Thermodynamic, transport, and chemical properties of reference JP-8

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