1-11 of 11
Sejong Chun
Close
Save search
Follow your search
Access your saved searches in your account
Would you like to receive an alert when new items match your search?
Close Modal
Sort by
Proceedings Papers

Use of Laser Doppler Vibrometry for Measuring Flow-Induced Vibration of a Thermowell in a Pipe Flow

Sejong Chun, Sibok Lee, Hyewon Yoon
Proc. ASME. FEDSM2021, Volume 2: Fluid Applications and Systems; Fluid Measurement and Instrumentation, V002T04A014, August 10–12, 2021
Paper No: FEDSM2021-64609
https://doi.org/10.1115/FEDSM2021-64609
View Paper titled, Use of Laser Doppler Vibrometry for Measuring Flow-Induced Vibration of a Thermowell in a Pipe Flow
Open the PDF for Use of Laser Doppler Vibrometry for Measuring Flow-Induced Vibration of a Thermowell in a Pipe Flow in another window
Topics: Flow-induced vibrations, Lasers, Pipe flow
Proceedings Papers

Low Temperature Testing of Ultrasound Sensors in Liquid Nitrogen

Joseph Chul Chung, Michael Myung-Sub Lee, Sejong Chun, Inseok Yang
Proc. ASME. FEDSM2021, Volume 2: Fluid Applications and Systems; Fluid Measurement and Instrumentation, V002T04A013, August 10–12, 2021
Paper No: FEDSM2021-64577
https://doi.org/10.1115/FEDSM2021-64577
View Paper titled, Low Temperature Testing of Ultrasound Sensors in Liquid Nitrogen
Open the PDF for Low Temperature Testing of Ultrasound Sensors in Liquid Nitrogen in another window
Topics: Low temperature, Nitrogen, Testing, Ultrasonic transducers
Proceedings Papers

Acoustic Measurement of Ultrasound Sensors in a Water Bath

Sejong Chun, Hyu-Sang Kwon, Doo-Sik Park, Kang-Wook Lee
Proc. ASME. FEDSM2020, Volume 1: Fluid Applications and Systems; Fluid Measurement and Instrumentation, V001T02A005, July 13–15, 2020
Paper No: FEDSM2020-20046
https://doi.org/10.1115/FEDSM2020-20046
View Paper titled, Acoustic Measurement of Ultrasound Sensors in a Water Bath
Open the PDF for Acoustic Measurement of Ultrasound Sensors in a Water Bath in another window
Topics: Acoustics, Flow (Dynamics), Piezoelectric materials, Ultrasonic transducers, Water, Capacitance, Dielectric losses, Electrical properties, Electronic circuits, Resonance
Proceedings Papers

Flow Measurement With a Helical Strake Type Thermowell in Flow Measurement Standard Systems

Kisung Kim, Sibok Lee, Sejong Chun
Proc. ASME. FEDSM2020, Volume 1: Fluid Applications and Systems; Fluid Measurement and Instrumentation, V001T02A006, July 13–15, 2020
Paper No: FEDSM2020-20047
https://doi.org/10.1115/FEDSM2020-20047
View Paper titled, Flow Measurement With a Helical Strake Type Thermowell in Flow Measurement Standard Systems
Open the PDF for Flow Measurement With a Helical Strake Type Thermowell in Flow Measurement Standard Systems in another window
Topics: Design, Flow measurement, Flow-induced vibrations, Pressure, Pressure measurement, Signals, Vibration, Vortex street
Proceedings Papers

Uncertainty Evaluation of Flow Meter Calibration by Gravimetric Water Flow Standards at KRISS

Sejong Chun, Byung-Ro Yoon
Proc. ASME. FEDSM2020, Volume 1: Fluid Applications and Systems; Fluid Measurement and Instrumentation, V001T02A013, July 13–15, 2020
Paper No: FEDSM2020-20045
https://doi.org/10.1115/FEDSM2020-20045
View Paper titled, Uncertainty Evaluation of Flow Meter Calibration by Gravimetric Water Flow Standards at KRISS
Open the PDF for Uncertainty Evaluation of Flow Meter Calibration by Gravimetric Water Flow Standards at KRISS in another window
Topics: Calibration, Flow (Dynamics), Flowmeters, Uncertainty, Water
Proceedings Papers

Calculation of the Flow Profile Correction Factor Based on Flow Velocity Distribution Functions for Ultrasonic Flow Metering

Sejong Chun
Proc. ASME. AJKFluids2019, Volume 4: Fluid Measurement and Instrumentation; Micro and Nano Fluid Dynamics, V004T04A016, July 28–August 1, 2019
Paper No: AJKFluids2019-4679
https://doi.org/10.1115/AJKFluids2019-4679
View Paper titled, Calculation of the Flow Profile Correction Factor Based on Flow Velocity Distribution Functions for Ultrasonic Flow Metering
Open the PDF for Calculation of the Flow Profile Correction Factor Based on Flow Velocity Distribution Functions for Ultrasonic Flow Metering in another window
Topics: Flow (Dynamics)
Proceedings Papers

Asymptotic Expansion Technique for Evaluating the Uncertainty of Moist-Air Density Formula

Sejong Chun
Proc. ASME. AJKFluids2019, Volume 4: Fluid Measurement and Instrumentation; Micro and Nano Fluid Dynamics, V004T04A033, July 28–August 1, 2019
Paper No: AJKFluids2019-4635
https://doi.org/10.1115/AJKFluids2019-4635
View Paper titled, Asymptotic Expansion Technique for Evaluating the Uncertainty of Moist-Air Density Formula
Open the PDF for Asymptotic Expansion Technique for Evaluating the Uncertainty of Moist-Air Density Formula in another window
Topics: Density, Measurement uncertainty, Uncertainty
Proceedings Papers

Development of a Surface Flow Sensor for Measuring Turbulent Drag Force

Il Doh, Il-Bum Kwon, Jiho Chang, Sejong Chun
Proc. ASME. AJKFluids2019, Volume 4: Fluid Measurement and Instrumentation; Micro and Nano Fluid Dynamics, V004T04A034, July 28–August 1, 2019
Paper No: AJKFluids2019-4680
https://doi.org/10.1115/AJKFluids2019-4680
View Paper titled, Development of a Surface Flow Sensor for Measuring Turbulent Drag Force
Open the PDF for Development of a Surface Flow Sensor for Measuring Turbulent Drag Force in another window
Topics: Drag (Fluid dynamics), Fibers, Flow sensors, Sensors, Turbulence
Proceedings Papers

Wave Dispersion Analysis of Pulsating Flows in a Circular Conduit Using a Lumped Parameter Model

Sejong Chun, Jonghan Jin
Proc. ASME. AJKFluids2015, Volume 2A: Fora, Part 2, V02AT10A002, July 26–31, 2015
Paper No: AJKFluids2015-10101
https://doi.org/10.1115/AJKFluids2015-10101
View Paper titled, Wave Dispersion Analysis of Pulsating Flows in a Circular Conduit Using a Lumped Parameter Model
Open the PDF for Wave Dispersion Analysis of Pulsating Flows in a Circular Conduit Using a Lumped Parameter Model in another window
Topics: Dispersion (Optics), Lumped parameter models, Pulsatile flow, Blood flow, Instrumentation, Pipes, Pressure, Pressure gradient
Proceedings Papers

Correction of Flow Metering Coefficients Using Two-Dimensional Curve Fitting

Sejong Chun, Byung-Ro Yoon, Duck-Ki Lee, Hae-Man Choi
Proc. ASME. AJK2011, ASME-JSME-KSME 2011 Joint Fluids Engineering Conference: Volume 2, Fora, 17-25, July 24–29, 2011
Paper No: AJK2011-31003
https://doi.org/10.1115/AJK2011-31003
View Paper titled, Correction of Flow Metering Coefficients Using Two-Dimensional Curve Fitting
Open the PDF for Correction of Flow Metering Coefficients Using Two-Dimensional Curve Fitting in another window
Topics: Curve fitting, Flow (Dynamics), Flowmeters, Pipes, Reynolds number, Testing, Algorithms, Flow control, Pipelines, Polynomials
Proceedings Papers

Use of Wigner-Ville Transformations for Fluid Particles in Laser Doppler Flow Accelerometry

Sejong Chun, Hyu-Sang Kwon
Proc. ASME. AJK2011, ASME-JSME-KSME 2011 Joint Fluids Engineering Conference: Volume 1, Symposia – Parts A, B, C, and D, 2945-2953, July 24–29, 2011
Paper No: AJK2011-16021
https://doi.org/10.1115/AJK2011-16021
View Paper titled, Use of Wigner-Ville Transformations for Fluid Particles in Laser Doppler Flow Accelerometry
Open the PDF for Use of Wigner-Ville Transformations for Fluid Particles in Laser Doppler Flow Accelerometry in another window
Topics: Flow (Dynamics), Fluids, Lasers, Particulate matter, Algorithms, Signal processing, Turbulence, Air jets, Electromagnetic scattering, Energy dissipation