Influence of oil-soluble additives on dielectric properties of diesel fuel


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Experimental data on frequency–temperature relationships tanδ(t, f) for diesel fuel (DF) and the diesel containing the pour-point depressant Dodiflow-4971 (DDF) and C10–C18 higher fatty alcohols (HFA) are presented. The tanδ (t, f) relationships have been obtained in the frequency range of f = 0.025–1000 kHz at temperatures (t) ranging from −40 to +100°C. For the diesel and the DF + DDF, DF + HFA, and DF + DDF + HFA systems, two temperature regions of dispersion of tan δ have been revealed, the high-temperature region from 60 to 8°C and the low-temperature region from 19 to −40°C. Based on the ratio of dielectric loss tangent in the interval of the colloidally dispersed state of the diesel doped with additives (Adi) to that of the additive-free diesel fuel, \({\text{tan}}{\delta _{{\text{DF}}}}_{{\text{ + A}}{{\text{d}}_i}}{\text{/ tan}}{\delta _{{\text{DF}}}}\), an indicator of additive dewaxing performance (IADP) has been proposed, which makes it possible to predict the performance of the additives as activators of the diesel dewaxing process in an electric field.

作者简介

S. Agaev

Tyumen State Oil and Gas University

Email: yns007@rambler.ru
俄罗斯联邦, Tyumen

N. Yakovlev

Tyumen State Oil and Gas University

编辑信件的主要联系方式.
Email: yns007@rambler.ru
俄罗斯联邦, Tyumen

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