Why Every LEV Designer and Commissioning Engineer Should Understand Fan Performance Relationships LEVCentral Expert Commentary Few engineering principles are more useful to LEV designers, commissioning engineers and ventilation practitioners than the Fan Laws. Despite their apparent simplicity, these relationships …
A Practical Design Worksheet for LEV Calculations and System Design Exercises LEVCentral Expert Commentary One of the challenges facing candidates undertaking the BOHS P602 Proficiency Module is translating ventilation theory into practical system design calculations. Whilst software tools and …
This practical reference guide provides an excellent introduction to one of the most fundamental activities undertaken by LEV engineers and occupational hygienists: measuring airflow. Although produced for the North American market, the principles described are directly applicable to LEV testing …
Document Type: Learning Resource / Pre-Course Revision Guide Produced By: OXYL8 Ltd Topic Areas: LEV Training P601 Preparation LEV Calculations Duct Velocity Flowrate Calculations Pitot Tube Measurements Commissioning Fundamentals Source Document View Maths Guide as PDF Last reviewed by LEVCentral: …
This HSE guidance provides ten practical noise control techniques that can be applied across a wide range of industries to reduce workplace noise exposure and minimise the risk of Noise-Induced Hearing Loss (NIHL). The guidance focuses on simple engineering and …
This is a glossary of basic LEV terms: ACoP – Approved code of practice. This carries greater legal weight in Great Britain courts than guidance. Aerodynamic diameter – The diameter of a unit-density sphere that has the same settling velocity in air as …
If you have worked through Module 1 – then this one is just a little bit more challenging. This Module looks at the Fan Laws. these are empirical, in that they are best considered ‘approximations’ to the real world but …
For Captor Hoods – Fletcher’s Nomogram chart for manual calculations of Hood Entry Velocity required to achieve a nominated minimum Captor Velocity at a chosen distance out from the hood (Captor Distance). All units must be in metric Select hood …
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