Fictitious gas-based model for calculating radiation characteristics of gas

Wen Cheng; Xiaolin Sun; Shan Ma

doi:10.3788/IRLA20220286

Infrared and Laser Engineering, Volume. 51, Issue 7, 20220286(2022)

Fictitious gas-based model for calculating radiation characteristics of gas

Wen Cheng¹, Xiaolin Sun¹, and Shan Ma²

Author Affiliations

¹College of Aviation Engineering, Civil Aviation Flight University of China, Guanghan 618307, China

²College of Flight Technology, Civil Aviation Flight University of China, Guanghan 618307, China

show less

Abstract Get PDF(in Chinese)

Figures & Tables(17)

Fig. 1. Transmissivity for 4.3 μm band of CO₂ in isothermal and homogeneous column

Download full size

View in Article

Fig. 2. Band emissivity for 4.3 μm band of CO₂ in isothermal and homogeneous column

Download full size

View in Article

Fig. 3. Transmissivity for 4.3 μm band of CO₂ in nonisothermal and nonhomogeneous column

Download full size

View in Article

Fig. 4. Transmissivity for 6.3 μm band of H₂O in isothermal and homogeneous column

Download full size

View in Article

Fig. 5. Transmissivity for 2.7 μm band of H₂O in isothermal and homogeneous column

Download full size

View in Article

Fig. 6. Band emissivity for 6.3 μm band of H₂O in isothermal and homogeneous column

Download full size

View in Article

Fig. 7. Band emissivity for 2.7 μm band of H₂O in isothermal and homogeneous column

Download full size

View in Article

Fig. 8. Transmissivity for 6.3 μm band of H₂O in nonisothermal and nonhomogeneous column

Download full size

View in Article

Fig. 9. Transmissivity for 2.7 μm band of H₂O in nonisothermal and nonhomogeneous column

Download full size

View in Article

Fig. 10. Transmissivity for CO₂-H₂O-N₂ mixture in nonisothermal and nonhomogeneous column

Download full size

View in Article

Table 1. Broadening constants and temperature correction factors^[17]

View table

View in Article

Table 1. Broadening constants and temperature correction factors^[17]

Species	Broadener	${\bar \gamma _{ij}}$	${n_{ij}}$	${\bar \gamma _{ii}}$	${n_{ii}}$
H2O	H2O	0.079	0.5	0.462	1.0
	CO2	0.106	0.5
	CO	0.079	0.5
	N2	0.079	0.5
	O2	0.036	0.5
CO2	H2O	0.1	0.7	0.012	0.7
	CO2	0.058	0.7
	CO	0.058	0.7
	N2	0.058	0.7
	O2	0.058	0.7

Table 2. Classes of low-state energy for fictitious gases^[15]
View table
View in Article
Table 2. Classes of low-state energy for fictitious gases^[15]
Classes E/cm⁻¹
G1 0-1500
G2 1500-3000
G3 3000-4500
G4 4500-6500
G5 6500-∞

Table 3. Calculation conditions for CO₂ in isothermal and homogeneous columns

View table

View in Article

Table 3. Calculation conditions for CO₂ in isothermal and homogeneous columns

Case	T/K	P/atm	${x_{{\text{C}}{{\text{O}}_{\text{2}}}}}$	${x_{{{\text{H}}_{\text{2}}}{\text{O}}}}$	${x_{{{\text{N}}_{\text{2}}}}}$	l/cm
C1	800	1.0	0.04	0	0.96	50
C2	1000	1.0	0.04	0	0.96	50
C3	1200	1.0	0.04	0	0.96	50
C4	1500	1.0	0.04	0	0.96	50

Table 4. Calculation conditions for CO₂ in nonisothermal and nonhomogeneous columns

View table

View in Article

Table 4. Calculation conditions for CO₂ in nonisothermal and nonhomogeneous columns

Column	T/K	P/atm	${x_{{\text{C}}{{\text{O}}_{\text{2}}}}}$	${x_{{{\text{H}}_{\text{2}}}{\text{O}}}}$	${x_{{{\text{N}}_{\text{2}}}}}$	l/cm
1	800	1.0	0.01	0	0.99	50
2	1500	1.0	0.06	0	0.94	50
3	2 000	1.0	0.10	0	0.90	50

Table 5. Calculation conditions for H₂O in isothermal and homogeneous columns

View table

View in Article

Table 5. Calculation conditions for H₂O in isothermal and homogeneous columns

Case	T/K	P/atm	${x_{{\text{C}}{{\text{O}}_{\text{2}}}}}$	${x_{{{\text{H}}_{\text{2}}}{\text{O}}}}$	${x_{{{\text{N}}_{\text{2}}}}}$	l/cm
W1	800	1.0	0	0.03	0.97	50
W2	1000	1.0	0	0.03	0.97	50
W3	1200	1.0	0	0.03	0.97	50
W4	1500	1.0	0	0.03	0.97	50

Table 6. Calculation conditions for H₂O in nonisothermal and nonhomogeneous columns

View table

View in Article

Table 6. Calculation conditions for H₂O in nonisothermal and nonhomogeneous columns

Column	T/K	P/atm	${x_{{\text{C}}{{\text{O}}_{\text{2}}}}}$	${x_{{{\text{H}}_{\text{2}}}{\text{O}}}}$	${x_{{{\text{N}}_{\text{2}}}}}$	l/cm
1	800	1.0	0	0.01	0.99	50
2	1500	1.0	0	0.06	0.94	50
3	2000	1.0	0	0.10	0.90	50

Table 7. Calculation conditions for CO₂-H₂O-N₂ mixture in nonisothermal and nonhomogeneous columns

View table

View in Article

Table 7. Calculation conditions for CO₂-H₂O-N₂ mixture in nonisothermal and nonhomogeneous columns

Path	T/K	P/atm	${x_{{\text{C}}{{\text{O}}_{\text{2}}}}}$	${x_{{{\text{H}}_{\text{2}}}{\text{O}}}}$	${x_{{{\text{N}}_{\text{2}}}}}$	l/cm
1	2 000	1.0	0.10	0.10	0.8	50
2	1500	1.0	0.06	0.06	0.88	50
3	800	1.0	0.04	0.03	0.93	50

Tools

Get Citation

Copy Citation Text

Wen Cheng, Xiaolin Sun, Shan Ma. Fictitious gas-based model for calculating radiation characteristics of gas[J]. Infrared and Laser Engineering, 2022, 51(7): 20220286

Download Citation

EndNote(RIS)BibTex Plain Text

Set citation alerts for article

Save article for my favorites

Paper Information

Category: Infrared technology and application

Received: Apr. 25, 2022

Accepted: --

Published Online: Dec. 20, 2022

The Author Email:

DOI:10.3788/IRLA20220286

Topics

laser devices and laser physics

Lasers and Laser Optics

Laser physics

laser manufacturing

Instrumentation, Measurement and Metrology

Table 1. Broadening constants and temperature correction factors[17]

Table 1. Broadening constants and temperature correction factors[17]

Table 2. Classes of low-state energy for fictitious gases[15]

Table 2. Classes of low-state energy for fictitious gases[15]

Table 3. Calculation conditions for CO2 in isothermal and homogeneous columns

Table 3. Calculation conditions for CO2 in isothermal and homogeneous columns

Table 4. Calculation conditions for CO2 in nonisothermal and nonhomogeneous columns

Table 4. Calculation conditions for CO2 in nonisothermal and nonhomogeneous columns

Table 5. Calculation conditions for H2O in isothermal and homogeneous columns

Table 5. Calculation conditions for H2O in isothermal and homogeneous columns

Table 6. Calculation conditions for H2O in nonisothermal and nonhomogeneous columns

Table 6. Calculation conditions for H2O in nonisothermal and nonhomogeneous columns

Table 7. Calculation conditions for CO2-H2O-N2 mixture in nonisothermal and nonhomogeneous columns

Table 7. Calculation conditions for CO2-H2O-N2 mixture in nonisothermal and nonhomogeneous columns

Table 1. Broadening constants and temperature correction factors^[17]

Table 1. Broadening constants and temperature correction factors^[17]

Table 2. Classes of low-state energy for fictitious gases^[15]

Table 2. Classes of low-state energy for fictitious gases^[15]

Table 3. Calculation conditions for CO₂ in isothermal and homogeneous columns

Table 3. Calculation conditions for CO₂ in isothermal and homogeneous columns

Table 4. Calculation conditions for CO₂ in nonisothermal and nonhomogeneous columns

Table 4. Calculation conditions for CO₂ in nonisothermal and nonhomogeneous columns

Table 5. Calculation conditions for H₂O in isothermal and homogeneous columns

Table 5. Calculation conditions for H₂O in isothermal and homogeneous columns

Table 6. Calculation conditions for H₂O in nonisothermal and nonhomogeneous columns

Table 6. Calculation conditions for H₂O in nonisothermal and nonhomogeneous columns

Table 7. Calculation conditions for CO₂-H₂O-N₂ mixture in nonisothermal and nonhomogeneous columns

Table 7. Calculation conditions for CO₂-H₂O-N₂ mixture in nonisothermal and nonhomogeneous columns