PRESSÃO VS VELOCIDADE NO JATO LIVRE: MECÂNICA DOS FLUIDOS
What is the pressure of a hydroelectric jet exiting the conduit? Zero. In effective pressure, any free jet has zero pressure, and this is totally counterintuitive for anyone who has seen a high-pressure water jetting machine in operation. What hurts is not the pressure: it's the variation in the momentum of the water mass at high speed. In this postgraduate class, I explain free jetting, show why water jetting cuts the skin without pressure, define large-dimension reservoirs, and apply the concept to the practical sizing of a tanker truck pump. 📲 DOWNLOAD THE ENGINEERING AND CO. CALCULATOR APP FOR FREE 👉 https://www.engenhariaecia.com/app 🎓 LEARN MORE: POST-GRADUATE COURSE IN FLUID HANDLING ENGINEERING 👉 https://www.engenhariaecia.com/pos 💬 CONTACT US VIA WHATSAPP 👉 https://www.engenhariaecia.com/wy ============================== CHAPTERS ============================== 00:00 What is free jet vs. forced conduit? 01:30 The hydroelectric plant question: what is the pressure? 03:00 Why is the jet pressure zero? 04:30 Hydroblasting and the leg-cutting machine 05:30 Variation Momentum explains the impact 07:00 Large reservoir 08:30 Practical case: pump for tanker truck 09:30 Why consider the worst case ============================== ABOUT THE POSTGRADUATE COURSE ============================== The Postgraduate Course in Fluid Handling Engineering and Industrial Equipment is designed for plant engineers, maintenance managers, and operations professionals who want to master the sizing, selection, and diagnosis of real industrial systems. 👉 https://www.engenhariaecia.com/pos ************************************************************************** Help Vila Vicentina de Itajubá, a 100-year-old elderly care facility in the city of Itajubá-MG / vilavicentinadeitajuba PIX Key CNPJ: 21.041.405/0001-48 Vila São Vicente de Paulo de Itajubá ************************************************************************** CONTACT: email: [email protected] WhatsApp: https://www.engenhariaecia.com/wj or +55 11 95696 7808 ************************************************************************** #engenhariaecia #fluidmechanics #pumping
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