rocket enginesThe control of ignition in a rocket engine is a critical problem for combustion chamber design. Delayed ignition may lead to high-amplitude pressure fluctuations that can damage the burner (strong ignition), whereas early ignition may fail. This paper describes a numerical study of a...
2022-20 Automating code review activities by large-scale pre-training FSE 2022-19 VulCurator: A Vulnerability-fixing Commit Detector FSE 2022-18 AutoPruner: Transformer-based Call Graph Pruning FSE 2022-17 Can pre-trained code embeddings improve model performance? Revisiting the use of code embedding...
usedingas—turbinecombustors,rocket—enginecombustorsandintemalcombustionengines.RecentlNMoinandApte『1],Pateleta1.f2,31andJameseta1.【4]publishedseriesofPapers,reportingtheirLESresults.ThekeYproblemsaretheSGSstressmodels.combus—tionmodelsandtheirdetailedexperimentalvalidation.Inthefollowingtext.areviewisgiven...
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In a joint effort to develop a robust numerical tool for the simulation of injection, mixing, and combustion in liquid rocket engines at high pressure, a real-gas thermodynamics model has been implemented into two computational fluid dynamics (CFD) codes, the density-based INCA and a pressure-...
The subgrid-scale dynamics are modeled using a compressible flow version of the Smagorinsky model. To investigate the dominant coherent structure, the proper orthogonal decomposition (POD) method was used for post-processing. The combustor of concern is the LM6000, lean-premixed dry low-NOx ...
Suntem 3D created a 3D printed architectural model of the Turning Torso building by architect Santiago Calatrava, using BCN3D Sigma machines. After 137 h of 3D printing, a physical PLA model of the building was ready. The mock-up was made in a scale of 1/135 and measured 1.40 m [167]...
2022-20 Automating code review activities by large-scale pre-training FSE 2022-19 VulCurator: A Vulnerability-fixing Commit Detector FSE 2022-18 AutoPruner: Transformer-based Call Graph Pruning FSE 2022-17 Can pre-trained code embeddings improve model performance? Revisiting the use of code embedding...
Metal additive manufacturing (MAM) technology provides a direct and efficient way for large-scale, integrated, and sophisticated engineering components in the aerospace field. Non-destructive testing (NDT) technique has been proven to be a significant method for quality evaluation of MAM components with...
Liquid rocket enginesLESThis article explores the possibility of analyzing combustion instabilities in liquid rocket engines by making use of Large Eddy Simulations (LES). Calculations are carried out for a complete small-scale rocket engine, including the injection manifold thrust chamber and nozzle ...