Fitting of calibration-free scanned-wavelength-modulation spectroscopy spectra for determination of gas properties and absorption lineshapes
The development and initial demonstration of a scanned-wavelength, first-harmonic-
normalized, wavelength-modulation spectroscopy with nf detection (scanned-WMS-nf/1f) …
normalized, wavelength-modulation spectroscopy with nf detection (scanned-WMS-nf/1f) …
Influence of thermochemical nonequilibrium on expansion tube air test conditions: A numerical study
Using a Lagrangian solver, thermochemical nonequilibrium simulations are performed for
the entire range of practical operating conditions of expansion tubes to isolate the influence …
the entire range of practical operating conditions of expansion tubes to isolate the influence …
Overview of flow diagnosis in a shock tunnel
In this work, an overview of flow diagnosis in a shock tunnel is made by means of using
established techniques that are easy to setup, economical to arrange, and simple to …
established techniques that are easy to setup, economical to arrange, and simple to …
Improved test time evaluation in an expansion tube
Traditionally, expansion tube test times have been experimentally evaluated using test
section mounted impact pressure probes. This paper proposes two new methods which can …
section mounted impact pressure probes. This paper proposes two new methods which can …
Quantification of supersonic impulse flow conditions via high-bandwidth wavelength modulation absorption spectroscopy
A tunable diode laser-based H 2 O absorption diagnostic has been developed to
characterize transient phenomena within the Stanford Expansion Tube Flow Facility. A …
characterize transient phenomena within the Stanford Expansion Tube Flow Facility. A …
[图书][B] Studies of biodiesel surrogates using novel shock tube techniques
MF Campbell - 2014 - search.proquest.com
In light of the finite supply of fossil fuels, concerns about the impact of combustion engine
emissions, and increasing efficiency requirements for on-road vehicles, a search has begun …
emissions, and increasing efficiency requirements for on-road vehicles, a search has begun …
Flow characterization of a hypersonic expansion tube facility for supersonic combustion studies
YM Abul-Huda, M Gamba - Journal of Propulsion and Power, 2017 - arc.aiaa.org
A hypersonic expansion tube facility was designed and constructed to primarily study
supersonic combustion phenomena. This paper provides an overview of the range of …
supersonic combustion phenomena. This paper provides an overview of the range of …
Using optically filtered high-speed imaging to characterise expansion tube operating conditions
CM James, DR Smith, C McLean, RG Morgan… - Shock Waves, 2020 - Springer
Traditionally, Pitot rake test models have been used to take time-and spatially resolved
impact pressure measurements in impulse facilities for flow characterisation. When …
impact pressure measurements in impulse facilities for flow characterisation. When …
Expansion tube nozzle design using a parallel simplex algorithm
A new hypersonic Mach 12 nozzle has been designed and manufactured for a large-scale
expansion tube. The nozzle design goals were to produce a Mach 12 flow, with a core flow …
expansion tube. The nozzle design goals were to produce a Mach 12 flow, with a core flow …
[图书][B] Scanned wavelength-modulation absorption spectroscopy with application to hypersonic impulse flow facilities
CL Strand - 2014 - search.proquest.com
The work presented herein describes several advances in the evolution of combustion
diagnostics based upon the technique of tunable diode laser absorption spectroscopy …
diagnostics based upon the technique of tunable diode laser absorption spectroscopy …