تاسم البحثplay youtubePort offers1IMPROVING AND ANALYSIS TURBINE WHEEL OF TURBOCHARGER FOR HIGH-PERFORMANCE ENGINES2Experimental and modeling stress concentration factor (SCF) of a tension poly lactic acid (PLA) plate with two circular holes3Strength and porosity of additively manufactured PLA using a low cost 3D printing4Performance analysis of brake discs in trains5Influence of Layer Thickness and Infill Density on the Impact Strength of Carbon Particle and Polylactic Acid (CP/PLA) Composite6Analysis of Engine Radiator Performance at Different Coolant Concentrations and Radiator Materials