{"product_id":"lev111-applied-fluid-mechanics-for-local-exhaust-ventilation-lev-metric","title":"LEV111: Applied Fluid Mechanics for  Local Exhaust Ventilation (LEV) (Metric)","description":"\u003ch1\u003eLEV calculations are everywhere — but understanding is what makes a better engineer.\u003c\/h1\u003e\n\u003cp\u003eEvery Local Exhaust Ventilation (LEV) system is governed by the same laws of physics.\u003c\/p\u003e\n\u003cp\u003eWhether you're designing ductwork, selecting a fan, balancing a system, carrying out a Thorough Examination and Test, or investigating poor performance, you're applying the principles of fluid mechanics—whether you realise it or not.\u003c\/p\u003e\n\u003cp\u003eYet many LEV practitioners learn equations long before they understand where they come from.\u003c\/p\u003e\n\u003cp\u003eThey learn \u003cem\u003ewhat\u003c\/em\u003e to calculate.\u003c\/p\u003e\n\u003cp\u003eBut not always \u003cem\u003ewhy\u003c\/em\u003e.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eLEV111: Applied Fluid Mechanics for Local Exhaust Ventilation\u003c\/strong\u003e was written to bridge that gap.\u003c\/p\u003e\n\u003cp\u003eRather than presenting fluid mechanics as an academic subject, this book explains the engineering principles behind Local Exhaust Ventilation in a practical, accessible way, showing how physics governs every aspect of airflow, pressure, energy and system performance.\u003c\/p\u003e\n\u003ch2\u003eUnderstanding the Science Behind LEV\u003c\/h2\u003e\n\u003cp\u003eFluid mechanics can seem intimidating.\u003c\/p\u003e\n\u003cp\u003eTerms such as pressure gradients, Bernoulli's Principle, energy conservation, static pressure and velocity pressure often appear in textbooks filled with complex mathematics.\u003c\/p\u003e\n\u003cp\u003eThis book takes a different approach.\u003c\/p\u003e\n\u003cp\u003eWritten specifically for LEV practitioners, occupational hygienists and ventilation engineers, it introduces each concept from first principles before demonstrating how it applies directly to real ventilation systems.\u003c\/p\u003e\n\u003cp\u003eEvery chapter builds logically on the last, helping readers understand not only the equations used in LEV engineering, but the physical behaviour they describe.\u003c\/p\u003e\n\u003ch2\u003eInside You'll Learn About:\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eWhy every LEV engineer needs physics\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eMatter, mass and energy\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eNewton's Laws of Motion and their application to airflow\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eAir as an engineering fluid\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eAir density and the Ideal Gas Law\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eAtmospheric pressure and pressure gradients\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eStatic pressure, velocity pressure and total pressure\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003ePressure losses within duct systems\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eBernoulli's Principle and conservation of energy\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eHow fans transfer energy to airflow\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eWhy friction, turbulence and duct geometry influence system performance\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eEngineering interpretation of pressure measurements\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eThe scientific principles that underpin LEV design, commissioning and Thorough Examination \u0026amp; Test\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThroughout the book, engineering theory is continually linked back to practical LEV applications, helping readers understand what is happening inside a working ventilation system—not simply how to perform calculations.\u003c\/p\u003e\n\u003ch2\u003eWhy This Matters\u003c\/h2\u003e\n\u003cp\u003eGood LEV design isn't about memorising equations.\u003c\/p\u003e\n\u003cp\u003eIt's about understanding airflow.\u003c\/p\u003e\n\u003cp\u003eWhen practitioners understand why air behaves as it does, they become better at diagnosing faults, interpreting measurements, selecting equipment, balancing systems and making sound engineering decisions.\u003c\/p\u003e\n\u003cp\u003eMany of the problems encountered during LEV inspections—poor capture, excessive pressure losses, incorrect fan selection, unstable system performance and ineffective control—can be traced back to a misunderstanding of the underlying physics.\u003c\/p\u003e\n\u003cp\u003eLEV111 provides the engineering knowledge needed to move beyond following design rules and begin thinking like an engineer.\u003c\/p\u003e\n\u003cp\u003eWhether you're new to LEV or have years of practical experience, a solid understanding of fluid mechanics will improve the way you approach every ventilation system you encounter.\u003c\/p\u003e\n\u003ch2\u003eWho This Book Is For\u003c\/h2\u003e\n\u003cp\u003eLEV111 is essential reading for:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eLEV engineers and designers\u003c\/li\u003e\n\u003cli\u003eLEV testers carrying out Thorough Examination \u0026amp; Test (TExT)\u003c\/li\u003e\n\u003cli\u003eOccupational hygienists\u003c\/li\u003e\n\u003cli\u003eCOSHH assessors\u003c\/li\u003e\n\u003cli\u003eHealth \u0026amp; Safety professionals\u003c\/li\u003e\n\u003cli\u003eEngineering students\u003c\/li\u003e\n\u003cli\u003eAnyone wanting a deeper understanding of how LEV systems really work\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eWhether you're preparing for professional qualifications, designing systems, troubleshooting poor performance, or simply wanting to understand the science behind Local Exhaust Ventilation, this book provides the engineering foundation on which good LEV practice is built.\u003c\/p\u003e\n\u003ch2\u003eProduct Details\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eTitle:\u003c\/strong\u003e LEV111: Applied Fluid Mechanics for Local Exhaust Ventilation (Metric)\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSeries:\u003c\/strong\u003e LEV Academy Engineering Fundamentals\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFormat:\u003c\/strong\u003e Digital book (PDF)\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFocus:\u003c\/strong\u003e Engineering principles and applied fluid mechanics for Local Exhaust Ventilation\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eAuthor:\u003c\/strong\u003e Louise Davies Wood\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003ePublished:\u003c\/strong\u003e June 2026\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eTopics Covered:\u003c\/strong\u003e Fluid mechanics, airflow, pressure, energy, Newton's Laws, Bernoulli's Principle, air properties, pressure measurement and engineering interpretation\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIdeal For:\u003c\/strong\u003e LEV practitioners, occupational hygienists, engineers, students and anyone seeking a deeper understanding of LEV design and performance.\u003c\/p\u003e","brand":"LEV Academy","offers":[{"title":"Default Title","offer_id":54126013022547,"sku":null,"price":50.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1017\/3313\/8771\/files\/Screenshot2026-06-28154034.png?v=1782657665","url":"https:\/\/www.levacademy.co.uk\/products\/lev111-applied-fluid-mechanics-for-local-exhaust-ventilation-lev-metric","provider":"LEV Academy","version":"1.0","type":"link"}