A novel optical method is used to measure the high-frequency (up to 3 MHz) density
fluctuations that precede transition to turbulence within a laminar boundary layer in a …

高超声速边界层转捩直接影响飞行器表面的摩擦系数与热流分布, 对于高超声速飞行器的气动
布局以及热防护设计至关重要. 尽管高超声速边界层层/湍流转捩的相关研究已经开展长达半个 …

Visualization experiments are performed to investigate the development of instability waves
within the boundary layer on a slender cone under high Mach number conditions. The …

To investigate the pressure-fluctuation field beneath turbulent spots in a hypersonic
boundary layer, a study was conducted on the nozzle wall of the Boeing/AFOSR Mach-6 …

With novel application of optical techniques, the slender-body hypervelocity boundary-layer
instability is characterized in the previously unexplored regime where thermo-chemical …

This paper compares the calibration of different heat flux sensors in radiation-and
convection-based sub-and supersonic operation. First, four heat flux sensors based on …

Three variants of schlieren techniques are employed to investigate the development of
second-mode instability waves in the hypersonic boundary layer of a slender cone in a …

In this paper, we report on the application of the atomic layer thermopile (ALTP) heat-flux
sensor to the measurement of laminar-to-turbulent transition in a hypersonic flat-plate …

This paper presents the results of the experiments performed in the hypersonic wind tunnel
H2K in the framework of the ESA technology research project “laminar to turbulent transition …

Measuring the heat-flux density is one of the main tasks in the research field of hypersonic
experimental aerodynamics. Considering the fact that refined wind tunnel tests require small …