The latest learning

Module 35: Fans for ducted ventilation systems

This module looks at centrifugal and axial fans used for ducted ventilation systems and considers selected aspects, including…

December 2011

Module 34: Matching the fan to the ventilation system

The flow of air and water in ducts and pipes have been explored over the last few CPD…

November 2011

Module 33: Designing ducted air system pressure drops for low…

The design ‘pressure drop’ in ducted air and piped water systems not only affects the sizing calculations, system…

October 2011

Module 32: Maintaining effective operational pressures in water distribution systems

Last month’s CPD article considered the pressure characteristics associated with air flow in ducts. This article will build…

September 2011

Module 31: Airflow pressure drop in HVAC ductwork

Fans consume a great deal of energy, and so their efficiency is crucial to preventing waste. The airflow…

August 2011

Module 30: Commissioning processes for heating and cooling water distribution…

The latest regulations emphasise the need to commission building services appropriately. So, when should commissioning start and what…

July 2011