alternative GAS MIXTURES Fernando J Pérez Sanz Universidad de Valladolid Spain Motivation of the study Depleting of fossil fuels reservoirs Increasing prices of fuels Environmental problems ID: 500332
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Slide1
SPHERICAL RESONATOR SPEED OF SOUND MEASUREMENTS OF NEW alternative GAS MIXTURES
Fernando J. Pérez Sanz
Universidad de Valladolid
SpainSlide2
Motivation of the studyDepleting of fossil fuels reservoirs.
Increasing prices of fuels
Environmental problems
Global warming
Greenhouse effect
Acid rain
New fuel are being developed
Mixture properties
recuired
Heat Capacities
Equation of StateSlide3
Methods
Thermodynamics
Speed of sound is an important thermodynamic parameter from which heat capacities and
EoS
can be measured.
Speed of sound is fitted to a Virial equation: Slide4
Methods
A
coustic
Resonance
Determination of radius by acoustic resonance in ArgonSlide5
Results Speed of sound measurementsSlide6
Results Comparison to GERG-2008 EoS (I)Slide7
Results Comparison to GERG-2008 EoS (II)
x
CO
=0,05
x
CO=010
T=273,16K
desv
(%)
T=325K
desv
(%)
T=273,16K
desv
(%)
T=325K
desv
(%)
u
0
(m/s)
336,9526
0,0245
367,4662
0,0235
337,0211
0,0448
367,4763
0,0262
γ
pg
20,7665
0,0485
1,3998
0,0453
1,4009
0,0891
1,3999
0,0508
C
v0
(J/mol-K)
29,0810
0,1658
20,7948
0,1546
20,7370
0,3123
20,7908
0,1833
C
p0
(J/mol-K)
1,4004
0,1202
29,1093
0,1123
29,0515
0,2215
29,1053
0,1294
β
a
(m3/mol)
1,2545E-05
9,9781
2,6715E-05
0,9523
1,2014E-05
12,8407
2,6446E-05
1,7048
γ
a
(m3/mol)
2
5,0787E-09
0,2938
4,0764E-09
0,0826
5,1696E-09
0,2826
4,1458E-09
0,0778Slide8
Future workCoal Mine
Methane
Biogas
Mixture.CO2-N2 MixturesSlide9
Questions