MARTINAITIS, Vytautas ;RIMDŽIUS, Dovydas ;BIELSKUS, Juozas ;STRECKIENĖ, Giedrė ;MOTUZIENĖ, Violeta . Preliminary Comparison of the Performance Thermodynamic Models of the Subsonic Ejector and Turbofan. Strojniški vestnik - Journal of Mechanical Engineering, [S.l.], v. 66, n.5, p. 325-336, may 2020. ISSN 0039-2480. Available at: <https://www.sv-jme.eu/sl/article/preliminary-comparison-of-the-performance-thermodynamic-models-of-the-subsonic-ejector-and-turbofan/>. Date accessed: 20 dec. 2024. doi:http://dx.doi.org/10.5545/sv-jme.2019.6379.
Martinaitis, V., Rimdžius, D., Bielskus, J., Streckienė, G., & Motuzienė, V. (2020). Preliminary Comparison of the Performance Thermodynamic Models of the Subsonic Ejector and Turbofan. Strojniški vestnik - Journal of Mechanical Engineering, 66(5), 325-336. doi:http://dx.doi.org/10.5545/sv-jme.2019.6379
@article{sv-jmesv-jme.2019.6379,
author = {Vytautas Martinaitis and Dovydas Rimdžius and Juozas Bielskus and Giedrė Streckienė and Violeta Motuzienė},
title = {Preliminary Comparison of the Performance Thermodynamic Models of the Subsonic Ejector and Turbofan},
journal = {Strojniški vestnik - Journal of Mechanical Engineering},
volume = {66},
number = {5},
year = {2020},
keywords = {ejector; turbofan; thermodynamic model; flow mixing; efficiency of compression; entrainment ratio},
abstract = {Flow-mixing is common in technological processes and both ejectors and turbofans are able to realize the interaction between flows with different energy potentials. Ejectors have been extensively used and their analytical models have been widely presented. Meanwhile to the best of authors’ knowledge there is a lack of studies exploring efficiencies of turbofans. The goal of this paper is to compare thermodynamic processes in these devices. Their efficiencies are compared in terms of compression and entrainment ratios. A comprehensive one-dimensional subsonic thermodynamic models of the ejector and turbofan are presented. The quantitative indices are obtained for the same initial conditions expressed as the ratio of differences in enthalpies for ideal compression and ideal expansion. When initial conditions are equal to the numeric value of the combination of isentropic efficiency of evaluated components (numerical case 0.16), both devices have the same efficiencies; at lower initial conditions (numerical case 0.10), turbofan’s entrainment ratio is 1.5 times and compression efficiency 1.25 times higher; at higher value of initial conditions (numerical case 0.28) – the ejector is more efficient. Such distinctive characteristics of turbofans and the nature of their variation may correspond to the specific application areas of the technological equipment, which require certain flow mixing parameters.},
issn = {0039-2480}, pages = {325-336}, doi = {10.5545/sv-jme.2019.6379},
url = {https://www.sv-jme.eu/sl/article/preliminary-comparison-of-the-performance-thermodynamic-models-of-the-subsonic-ejector-and-turbofan/}
}
Martinaitis, V.,Rimdžius, D.,Bielskus, J.,Streckienė, G.,Motuzienė, V. 2020 May 66. Preliminary Comparison of the Performance Thermodynamic Models of the Subsonic Ejector and Turbofan. Strojniški vestnik - Journal of Mechanical Engineering. [Online] 66:5
%A Martinaitis, Vytautas %A Rimdžius, Dovydas %A Bielskus, Juozas %A Streckienė, Giedrė %A Motuzienė, Violeta %D 2020 %T Preliminary Comparison of the Performance Thermodynamic Models of the Subsonic Ejector and Turbofan %B 2020 %9 ejector; turbofan; thermodynamic model; flow mixing; efficiency of compression; entrainment ratio %! Preliminary Comparison of the Performance Thermodynamic Models of the Subsonic Ejector and Turbofan %K ejector; turbofan; thermodynamic model; flow mixing; efficiency of compression; entrainment ratio %X Flow-mixing is common in technological processes and both ejectors and turbofans are able to realize the interaction between flows with different energy potentials. Ejectors have been extensively used and their analytical models have been widely presented. Meanwhile to the best of authors’ knowledge there is a lack of studies exploring efficiencies of turbofans. The goal of this paper is to compare thermodynamic processes in these devices. Their efficiencies are compared in terms of compression and entrainment ratios. A comprehensive one-dimensional subsonic thermodynamic models of the ejector and turbofan are presented. The quantitative indices are obtained for the same initial conditions expressed as the ratio of differences in enthalpies for ideal compression and ideal expansion. When initial conditions are equal to the numeric value of the combination of isentropic efficiency of evaluated components (numerical case 0.16), both devices have the same efficiencies; at lower initial conditions (numerical case 0.10), turbofan’s entrainment ratio is 1.5 times and compression efficiency 1.25 times higher; at higher value of initial conditions (numerical case 0.28) – the ejector is more efficient. Such distinctive characteristics of turbofans and the nature of their variation may correspond to the specific application areas of the technological equipment, which require certain flow mixing parameters. %U https://www.sv-jme.eu/sl/article/preliminary-comparison-of-the-performance-thermodynamic-models-of-the-subsonic-ejector-and-turbofan/ %0 Journal Article %R 10.5545/sv-jme.2019.6379 %& 325 %P 12 %J Strojniški vestnik - Journal of Mechanical Engineering %V 66 %N 5 %@ 0039-2480 %8 2020-05-26 %7 2020-05-26
Martinaitis, Vytautas, Dovydas Rimdžius, Juozas Bielskus, Giedrė Streckienė, & Violeta Motuzienė. "Preliminary Comparison of the Performance Thermodynamic Models of the Subsonic Ejector and Turbofan." Strojniški vestnik - Journal of Mechanical Engineering [Online], 66.5 (2020): 325-336. Web. 20 Dec. 2024
TY - JOUR AU - Martinaitis, Vytautas AU - Rimdžius, Dovydas AU - Bielskus, Juozas AU - Streckienė, Giedrė AU - Motuzienė, Violeta PY - 2020 TI - Preliminary Comparison of the Performance Thermodynamic Models of the Subsonic Ejector and Turbofan JF - Strojniški vestnik - Journal of Mechanical Engineering DO - 10.5545/sv-jme.2019.6379 KW - ejector; turbofan; thermodynamic model; flow mixing; efficiency of compression; entrainment ratio N2 - Flow-mixing is common in technological processes and both ejectors and turbofans are able to realize the interaction between flows with different energy potentials. Ejectors have been extensively used and their analytical models have been widely presented. Meanwhile to the best of authors’ knowledge there is a lack of studies exploring efficiencies of turbofans. The goal of this paper is to compare thermodynamic processes in these devices. Their efficiencies are compared in terms of compression and entrainment ratios. A comprehensive one-dimensional subsonic thermodynamic models of the ejector and turbofan are presented. The quantitative indices are obtained for the same initial conditions expressed as the ratio of differences in enthalpies for ideal compression and ideal expansion. When initial conditions are equal to the numeric value of the combination of isentropic efficiency of evaluated components (numerical case 0.16), both devices have the same efficiencies; at lower initial conditions (numerical case 0.10), turbofan’s entrainment ratio is 1.5 times and compression efficiency 1.25 times higher; at higher value of initial conditions (numerical case 0.28) – the ejector is more efficient. Such distinctive characteristics of turbofans and the nature of their variation may correspond to the specific application areas of the technological equipment, which require certain flow mixing parameters. UR - https://www.sv-jme.eu/sl/article/preliminary-comparison-of-the-performance-thermodynamic-models-of-the-subsonic-ejector-and-turbofan/
@article{{sv-jme}{sv-jme.2019.6379},
author = {Martinaitis, V., Rimdžius, D., Bielskus, J., Streckienė, G., Motuzienė, V.},
title = {Preliminary Comparison of the Performance Thermodynamic Models of the Subsonic Ejector and Turbofan},
journal = {Strojniški vestnik - Journal of Mechanical Engineering},
volume = {66},
number = {5},
year = {2020},
doi = {10.5545/sv-jme.2019.6379},
url = {https://www.sv-jme.eu/sl/article/preliminary-comparison-of-the-performance-thermodynamic-models-of-the-subsonic-ejector-and-turbofan/}
}
TY - JOUR AU - Martinaitis, Vytautas AU - Rimdžius, Dovydas AU - Bielskus, Juozas AU - Streckienė, Giedrė AU - Motuzienė, Violeta PY - 2020/05/26 TI - Preliminary Comparison of the Performance Thermodynamic Models of the Subsonic Ejector and Turbofan JF - Strojniški vestnik - Journal of Mechanical Engineering; Vol 66, No 5 (2020): Strojniški vestnik - Journal of Mechanical Engineering DO - 10.5545/sv-jme.2019.6379 KW - ejector, turbofan, thermodynamic model, flow mixing, efficiency of compression, entrainment ratio N2 - Flow-mixing is common in technological processes and both ejectors and turbofans are able to realize the interaction between flows with different energy potentials. Ejectors have been extensively used and their analytical models have been widely presented. Meanwhile to the best of authors’ knowledge there is a lack of studies exploring efficiencies of turbofans. The goal of this paper is to compare thermodynamic processes in these devices. Their efficiencies are compared in terms of compression and entrainment ratios. A comprehensive one-dimensional subsonic thermodynamic models of the ejector and turbofan are presented. The quantitative indices are obtained for the same initial conditions expressed as the ratio of differences in enthalpies for ideal compression and ideal expansion. When initial conditions are equal to the numeric value of the combination of isentropic efficiency of evaluated components (numerical case 0.16), both devices have the same efficiencies; at lower initial conditions (numerical case 0.10), turbofan’s entrainment ratio is 1.5 times and compression efficiency 1.25 times higher; at higher value of initial conditions (numerical case 0.28) – the ejector is more efficient. Such distinctive characteristics of turbofans and the nature of their variation may correspond to the specific application areas of the technological equipment, which require certain flow mixing parameters. UR - https://www.sv-jme.eu/sl/article/preliminary-comparison-of-the-performance-thermodynamic-models-of-the-subsonic-ejector-and-turbofan/
Martinaitis, Vytautas, Rimdžius, Dovydas, Bielskus, Juozas, Streckienė, Giedrė, AND Motuzienė, Violeta. "Preliminary Comparison of the Performance Thermodynamic Models of the Subsonic Ejector and Turbofan" Strojniški vestnik - Journal of Mechanical Engineering [Online], Volume 66 Number 5 (26 May 2020)
Strojniški vestnik - Journal of Mechanical Engineering 66(2020)5, 325-336
© The Authors, CC-BY 4.0 Int. Change in copyright policy from 2022, Jan 1st.
Flow-mixing is common in technological processes and both ejectors and turbofans are able to realize the interaction between flows with different energy potentials. Ejectors have been extensively used and their analytical models have been widely presented. Meanwhile to the best of authors’ knowledge there is a lack of studies exploring efficiencies of turbofans. The goal of this paper is to compare thermodynamic processes in these devices. Their efficiencies are compared in terms of compression and entrainment ratios. A comprehensive one-dimensional subsonic thermodynamic models of the ejector and turbofan are presented. The quantitative indices are obtained for the same initial conditions expressed as the ratio of differences in enthalpies for ideal compression and ideal expansion. When initial conditions are equal to the numeric value of the combination of isentropic efficiency of evaluated components (numerical case 0.16), both devices have the same efficiencies; at lower initial conditions (numerical case 0.10), turbofan’s entrainment ratio is 1.5 times and compression efficiency 1.25 times higher; at higher value of initial conditions (numerical case 0.28) – the ejector is more efficient. Such distinctive characteristics of turbofans and the nature of their variation may correspond to the specific application areas of the technological equipment, which require certain flow mixing parameters.