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Article

Thermophysical Properties of 1-Butanol at High Pressures

Institute of Chemistry, University of Silesia in Katowice, Szkolna 9, 40-006 Katowice, Poland
In memoriam Michał Zorębski, M.Sc. (1960–2020).
Energies 2020, 13(19), 5046; https://doi.org/10.3390/en13195046
Received: 30 August 2020 / Revised: 19 September 2020 / Accepted: 21 September 2020 / Published: 25 September 2020
(This article belongs to the Special Issue Thermophysical Properties of Working Materials for Power Engineering)
1-Butanol can be considered as a good fuel additive, which can be used at high pressures. Therefore, the knowledge of high-pressure thermophysical properties is crucial for this application. In this paper, new experimental data on the speed of sound in 1-butanol in the temperature range from 293 to 318 K and at pressures up to 101 MPa are reported. The speed of sound at a frequency of 2 MHz was measured at atmospheric and high pressures using two measuring sets operating on the principle of the pulse–echo–overlap method. The measurement uncertainties were estimated to be better than ±0.5 m·s−1 and ± 1 m·s−1 at atmospheric and high pressures, respectively. Additionally, the density was measured under atmospheric pressure in the temperature range from 293 to 318 K using a vibrating tube densimeter Anton Paar DMA 5000. Using the experimental results, the density and isobaric and isochoric heat capacities, isentropic and isothermal compressibilities, isobaric thermal expansion, and internal pressure were calculated at temperatures from 293 to 318 K and at pressures up to 100 MPa. View Full-Text
Keywords: 1-butanol; speed of sound; density; isobaric heat capacity; high pressure 1-butanol; speed of sound; density; isobaric heat capacity; high pressure
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MDPI and ACS Style

Dzida, M. Thermophysical Properties of 1-Butanol at High Pressures. Energies 2020, 13, 5046. https://doi.org/10.3390/en13195046

AMA Style

Dzida M. Thermophysical Properties of 1-Butanol at High Pressures. Energies. 2020; 13(19):5046. https://doi.org/10.3390/en13195046

Chicago/Turabian Style

Dzida, Marzena. 2020. "Thermophysical Properties of 1-Butanol at High Pressures" Energies 13, no. 19: 5046. https://doi.org/10.3390/en13195046

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