We present CO density profiles up to about 100 km in the Martian atmosphere obtained for first time from retrievals of solar occultation measurements by Nadir and Occultation Mars Discovery (NOMAD) onboard ExoMars Trace Gas Orbiter (TGO). is an important trace gas on Mars, as it controlled CO2 photolysis, chemical reaction with OH radicals, global dynamics. However, vertical have been elusive u...

Effect of nano-structuration and compounding of YSZ APS TBCs investigated on coating behavior in thermal shock conditions. The coatings were applied on Inconel 738 discs with three different thickness per powder. In order to harmonize the results from the samples, performance factor is defined as a criterion that in the starting of the activity has an amount of about 100 and is reduced after th...

A FIB/STEM interfacial study was performed on a TBC/Ti2AlC MAX phase system, oxidized in an aggressive burner rig test (Mach 0.3 at 1300 °C for 500 h). The 7YSZ TBC, α-Al2O3 TGO, and MAXthal 211TM Ti2AlC base were variously characterized by TEM/STEM, EDS, SADP, HRTEM. YSZ mix of “clean” featureless “faulted” high contrast grains. latter exhibited ferro-elastic domains Y content tetragonal t″ va...

The performance of an SOFC stack is related to the evolution over time materials during operation. Metallic interconnects (MICs) are exposed high temperature (ca. 850 °C) and dual atmosphere (fuel air streams), hence react form oxide scale on top. This paper focuses fuel side MIC investigates nature oxides formed in stacks field operated by SUNFIRE GmbH Company for up 20,000 h frame EU-H2020 AD...

Heterogeneous integration of β-(Sn x Ga 1− ) 2 O 3 (TGO) UV-C photodetectors on silicon substrates by molecular beam epitaxy is demonstrated. Multimodal electron microscopy and spectroscopy techniques reveal a direct correlation between structural, compositional, optical properties TGO the functional photodetectors. Wavelength dispersive x-ray results accurately determine Sn concentrations ( x)...

This paper deals with a generalized impact angle control guidance law with terminal acceleration constraint, which is called the Time-to-go Polynomial Guidance (TPG). The guidance command of TPG is initially assumed as a polynomial form of tgo, and then the coefficients of this polynomial function are designed to satisfy the terminal impact angle and zero miss-distance constraints. TPG presents...

There are many geometric calibration methods for “standard” cameras. These methods, however, cannot be used for the calibration of telescopes with large focal lengths and complex off-axis optics. Moreover, specialized calibration methods for the telescopes are scarce in literature. We describe the calibration method that we developed for the Colour and Stereo Surface Imaging System (CaSSIS) tel...

The upper mesosphere and lower thermosphere of Mars (70–150 km) is high interest because it a region affected by climatological/meteorological events in the atmosphere external solar forcing. However, only few measurements are available at this altitude range. OI 557.7 nm dayglow emission has been detected these altitudes limb observations with Nadir Occultation for Discovery (NOMAD) aboard Exo...

The ExoMars Trace Gas Orbiter (TGO)’s Colour and Stereo Surface Imaging System (CaSSIS) provides multi-spectral optical imagery at 4–5 m/pixel spatial resolution. Improving the resolution of CaSSIS images would allow greater amounts scientific information to be extracted. In this work, we propose a novel Multi-scale Adaptive weighted Residual Super-resolution Generative Adversarial Network (MAR...