cathryn hickey

Wind of change

In this month’s back-to-basics series, Cathryn Hickey, from the National Skills Academy for Environmental Technologies, looks at micro-wind, one of the less common forms of renewable energy. A basic wind turbine operates on the principle that wind passing across the rotor blades causes a ‘lift’ and ‘drag’ effect, which in turn makes the hub rotate. […]

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Going grey

Cathryn Hickey, Executive Director for the National Skills Academy for Environmental Technologies, looks at where to start when it comes to greywater reuse. Greywater refers to waste water that is discharged from wash basins, baths, showers and washing machines. This water can be reused for ‘non-wholesome outlets’ such as watering the garden, car washing and […]

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Power house

This month in our ‘Back to Basics’ series, Cathryn Hickey, Executive Director for the National Skills Academy for Environmental Technologies, introduces the fundamentals of heat-led micro-CHP systems. A heat-led micro-combined heat and power (micro-CHP) system generates heat primarily for domestic hot water and space heating. The system also generates some electricity when responding to a […]

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