Mass diffusion coefficients of oxygenated fuel additives in air

Ying Guo, Maogang He, Qiu Zhong and Ying Zhang

Energy, 2009, vol. 34, issue 10, 1560-1564

Abstract: In this work, an experimental system based on digital real-time holographic interferometry for measuring the mass diffusion coefficients of fluid is introduced. The method of processing interference fringe hologram is also introduced thoroughly. By uncertainties analysis and experimental verification, the accuracy of this system is validated. The experimental uncertainties in temperature and mass diffusion coefficient are estimated to be no greater than±0.16K and±0.2%, respectively. On this basis, mass diffusion coefficients of two fuel additives: 1,2-dimethoxyethane (ethyleneglycol dimethyl ether, GDME) and 2-methoxyethyl ether (diethylene glycol dimethyl ether, DGM) in air were measured at T=(278.15–338.15)K under atmospheric pressure, and polynomial was fitted by the experimental data.

Keywords: Mass diffusion coefficients; Fuel additive; Digital holographic interferometry; 1,2-Dimethoxyethane; 2-Methoxyethyl ether (search for similar items in EconPapers)
Date: 2009
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Persistent link: https://EconPapers.repec.org/RePEc:eee:energy:v:34:y:2009:i:10:p:1560-1564

DOI: 10.1016/j.energy.2009.06.057

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