LIU, Peng ;CAI, Jinglun ;SHAO, Xuejing ;JIN, Hui . Research on a Rapid Method for Obtaining the Matching Point of the Static Operating Pressure of a Supersonic Jet in a Wind Tunnel. Strojniški vestnik - Journal of Mechanical Engineering, [S.l.], v. 71, n.3-4, p. 114-126, march 2025. ISSN 0039-2480. Available at: <https://www.sv-jme.eu/sl/article/research-on-a-rapid-method-for-obtaining-the-matching-point-of-the-static-operating-pressure-of-a-supersonic-jet-in-a-wind-tunnel/>. Date accessed: 29 may. 2025. doi:http://dx.doi.org/10.5545/sv-jme.2024.1199.
Liu, P., Cai, J., Shao, X., & Jin, H. (2025). Research on a Rapid Method for Obtaining the Matching Point of the Static Operating Pressure of a Supersonic Jet in a Wind Tunnel. Strojniški vestnik - Journal of Mechanical Engineering, 71(3-4), 114-126. doi:http://dx.doi.org/10.5545/sv-jme.2024.1199
@article{sv-jmesv-jme.2024.1199,
author = {Peng Liu and Jinglun Cai and Xuejing Shao and Hui Jin},
title = {Research on a Rapid Method for Obtaining the Matching Point of the Static Operating Pressure of a Supersonic Jet in a Wind Tunnel},
journal = {Strojniški vestnik - Journal of Mechanical Engineering},
volume = {71},
number = {3-4},
year = {2025},
keywords = {supersonic jet; pressure matching; expansion wave; compression wave; },
abstract = {In the wind tunnel test, mismatched operating pressures can cause the jet flow field to produce expansion waves, compression waves, and wave interference. The current wind tunnel pressure matching study requires continuous adjustment of the operating pressure at the inlet and outlet to obtain an ideal supersonic jet in an expanded state, and the pressure matching workload is substantial. This study presents a numerical simulation of the flow field of a supersonic wind tunnel under different outlet pressures based on the Reynolds-averaged Navier-Stokes (RANS) method. A method for quickly obtaining the static operating pressure matching point of a supersonic jet is proposed, which can quickly determine the matching operating pressure. When the Mach number of the monitoring point on the axis of the core area of the jet is within 5 % of the standard Mach number at the nozzle outlet, the jet in the wind tunnel test chamber is in an ideal expansion state, and the outlet pressure under this condition is the standard operating pressure for pressure matching. At the same time, the flow field structures under the conditions of over-expansion, ideal expansion, and under-expansion were compared, and it was shown that the key physical parameters in the core region of the supersonic jet field under the ideal expansion state obtained by this rapid matching method were stably distributed, which allowed the uniform region of the jet to exceed the limits of the diamond region and achieve uniform flow within the boundary of the supersonic jet.},
issn = {0039-2480}, pages = {114-126}, doi = {10.5545/sv-jme.2024.1199},
url = {https://www.sv-jme.eu/sl/article/research-on-a-rapid-method-for-obtaining-the-matching-point-of-the-static-operating-pressure-of-a-supersonic-jet-in-a-wind-tunnel/}
}
Liu, P.,Cai, J.,Shao, X.,Jin, H. 2025 March 71. Research on a Rapid Method for Obtaining the Matching Point of the Static Operating Pressure of a Supersonic Jet in a Wind Tunnel. Strojniški vestnik - Journal of Mechanical Engineering. [Online] 71:3-4
%A Liu, Peng %A Cai, Jinglun %A Shao, Xuejing %A Jin, Hui %D 2025 %T Research on a Rapid Method for Obtaining the Matching Point of the Static Operating Pressure of a Supersonic Jet in a Wind Tunnel %B 2025 %9 supersonic jet; pressure matching; expansion wave; compression wave; %! Research on a Rapid Method for Obtaining the Matching Point of the Static Operating Pressure of a Supersonic Jet in a Wind Tunnel %K supersonic jet; pressure matching; expansion wave; compression wave; %X In the wind tunnel test, mismatched operating pressures can cause the jet flow field to produce expansion waves, compression waves, and wave interference. The current wind tunnel pressure matching study requires continuous adjustment of the operating pressure at the inlet and outlet to obtain an ideal supersonic jet in an expanded state, and the pressure matching workload is substantial. This study presents a numerical simulation of the flow field of a supersonic wind tunnel under different outlet pressures based on the Reynolds-averaged Navier-Stokes (RANS) method. A method for quickly obtaining the static operating pressure matching point of a supersonic jet is proposed, which can quickly determine the matching operating pressure. When the Mach number of the monitoring point on the axis of the core area of the jet is within 5 % of the standard Mach number at the nozzle outlet, the jet in the wind tunnel test chamber is in an ideal expansion state, and the outlet pressure under this condition is the standard operating pressure for pressure matching. At the same time, the flow field structures under the conditions of over-expansion, ideal expansion, and under-expansion were compared, and it was shown that the key physical parameters in the core region of the supersonic jet field under the ideal expansion state obtained by this rapid matching method were stably distributed, which allowed the uniform region of the jet to exceed the limits of the diamond region and achieve uniform flow within the boundary of the supersonic jet. %U https://www.sv-jme.eu/sl/article/research-on-a-rapid-method-for-obtaining-the-matching-point-of-the-static-operating-pressure-of-a-supersonic-jet-in-a-wind-tunnel/ %0 Journal Article %R 10.5545/sv-jme.2024.1199 %& 114 %P 13 %J Strojniški vestnik - Journal of Mechanical Engineering %V 71 %N 3-4 %@ 0039-2480 %8 2025-03-21 %7 2025-03-21
Liu, Peng, Jinglun Cai, Xuejing Shao, & Hui Jin. "Research on a Rapid Method for Obtaining the Matching Point of the Static Operating Pressure of a Supersonic Jet in a Wind Tunnel." Strojniški vestnik - Journal of Mechanical Engineering [Online], 71.3-4 (2025): 114-126. Web. 29 May. 2025
TY - JOUR AU - Liu, Peng AU - Cai, Jinglun AU - Shao, Xuejing AU - Jin, Hui PY - 2025 TI - Research on a Rapid Method for Obtaining the Matching Point of the Static Operating Pressure of a Supersonic Jet in a Wind Tunnel JF - Strojniški vestnik - Journal of Mechanical Engineering DO - 10.5545/sv-jme.2024.1199 KW - supersonic jet; pressure matching; expansion wave; compression wave; N2 - In the wind tunnel test, mismatched operating pressures can cause the jet flow field to produce expansion waves, compression waves, and wave interference. The current wind tunnel pressure matching study requires continuous adjustment of the operating pressure at the inlet and outlet to obtain an ideal supersonic jet in an expanded state, and the pressure matching workload is substantial. This study presents a numerical simulation of the flow field of a supersonic wind tunnel under different outlet pressures based on the Reynolds-averaged Navier-Stokes (RANS) method. A method for quickly obtaining the static operating pressure matching point of a supersonic jet is proposed, which can quickly determine the matching operating pressure. When the Mach number of the monitoring point on the axis of the core area of the jet is within 5 % of the standard Mach number at the nozzle outlet, the jet in the wind tunnel test chamber is in an ideal expansion state, and the outlet pressure under this condition is the standard operating pressure for pressure matching. At the same time, the flow field structures under the conditions of over-expansion, ideal expansion, and under-expansion were compared, and it was shown that the key physical parameters in the core region of the supersonic jet field under the ideal expansion state obtained by this rapid matching method were stably distributed, which allowed the uniform region of the jet to exceed the limits of the diamond region and achieve uniform flow within the boundary of the supersonic jet. UR - https://www.sv-jme.eu/sl/article/research-on-a-rapid-method-for-obtaining-the-matching-point-of-the-static-operating-pressure-of-a-supersonic-jet-in-a-wind-tunnel/
@article{{sv-jme}{sv-jme.2024.1199},
author = {Liu, P., Cai, J., Shao, X., Jin, H.},
title = {Research on a Rapid Method for Obtaining the Matching Point of the Static Operating Pressure of a Supersonic Jet in a Wind Tunnel},
journal = {Strojniški vestnik - Journal of Mechanical Engineering},
volume = {71},
number = {3-4},
year = {2025},
doi = {10.5545/sv-jme.2024.1199},
url = {https://www.sv-jme.eu/sl/article/research-on-a-rapid-method-for-obtaining-the-matching-point-of-the-static-operating-pressure-of-a-supersonic-jet-in-a-wind-tunnel/}
}
TY - JOUR AU - Liu, Peng AU - Cai, Jinglun AU - Shao, Xuejing AU - Jin, Hui PY - 2025/03/21 TI - Research on a Rapid Method for Obtaining the Matching Point of the Static Operating Pressure of a Supersonic Jet in a Wind Tunnel JF - Strojniški vestnik - Journal of Mechanical Engineering; Vol 71, No 3-4 (2025): Strojniški vestnik - Journal of Mechanical Engineering DO - 10.5545/sv-jme.2024.1199 KW - supersonic jet, pressure matching, expansion wave, compression wave, N2 - In the wind tunnel test, mismatched operating pressures can cause the jet flow field to produce expansion waves, compression waves, and wave interference. The current wind tunnel pressure matching study requires continuous adjustment of the operating pressure at the inlet and outlet to obtain an ideal supersonic jet in an expanded state, and the pressure matching workload is substantial. This study presents a numerical simulation of the flow field of a supersonic wind tunnel under different outlet pressures based on the Reynolds-averaged Navier-Stokes (RANS) method. A method for quickly obtaining the static operating pressure matching point of a supersonic jet is proposed, which can quickly determine the matching operating pressure. When the Mach number of the monitoring point on the axis of the core area of the jet is within 5 % of the standard Mach number at the nozzle outlet, the jet in the wind tunnel test chamber is in an ideal expansion state, and the outlet pressure under this condition is the standard operating pressure for pressure matching. At the same time, the flow field structures under the conditions of over-expansion, ideal expansion, and under-expansion were compared, and it was shown that the key physical parameters in the core region of the supersonic jet field under the ideal expansion state obtained by this rapid matching method were stably distributed, which allowed the uniform region of the jet to exceed the limits of the diamond region and achieve uniform flow within the boundary of the supersonic jet. UR - https://www.sv-jme.eu/sl/article/research-on-a-rapid-method-for-obtaining-the-matching-point-of-the-static-operating-pressure-of-a-supersonic-jet-in-a-wind-tunnel/
Liu, Peng, Cai, Jinglun, Shao, Xuejing, AND Jin, Hui. "Research on a Rapid Method for Obtaining the Matching Point of the Static Operating Pressure of a Supersonic Jet in a Wind Tunnel" Strojniški vestnik - Journal of Mechanical Engineering [Online], Volume 71 Number 3-4 (21 March 2025)
Strojniški vestnik - Journal of Mechanical Engineering 71(2025)3-4, 114-126
© The Authors 2025. CC BY 4.0 Int.
In the wind tunnel test, mismatched operating pressures can cause the jet flow field to produce expansion waves, compression waves, and wave interference. The current wind tunnel pressure matching study requires continuous adjustment of the operating pressure at the inlet and outlet to obtain an ideal supersonic jet in an expanded state, and the pressure matching workload is substantial. This study presents a numerical simulation of the flow field of a supersonic wind tunnel under different outlet pressures based on the Reynolds-averaged Navier-Stokes (RANS) method. A method for quickly obtaining the static operating pressure matching point of a supersonic jet is proposed, which can quickly determine the matching operating pressure. When the Mach number of the monitoring point on the axis of the core area of the jet is within 5 % of the standard Mach number at the nozzle outlet, the jet in the wind tunnel test chamber is in an ideal expansion state, and the outlet pressure under this condition is the standard operating pressure for pressure matching. At the same time, the flow field structures under the conditions of over-expansion, ideal expansion, and under-expansion were compared, and it was shown that the key physical parameters in the core region of the supersonic jet field under the ideal expansion state obtained by this rapid matching method were stably distributed, which allowed the uniform region of the jet to exceed the limits of the diamond region and achieve uniform flow within the boundary of the supersonic jet.