Triangle Consulting Engineers Ltd, Four Seasons House, Astley Way,
Leeds, LS26 8XT
renewable
technologies - ground source heat pumps
the heat pump operates by utilising a simple refrigeration cycle. by a small input of electrical energy it is possible to raise the temperature of the source heat up to that required for space heating, or utilise this to provide cooling.
a ground
source heatpump is both environmentally friendly and very energy
efficient.
a ground source system comprises of two main components the ground loop, a series of bore holes or trenches containing pipe work and a reversable heat pump.
the pipework in the ground, in which a brine is circulated, recovers the natural low grade heat from the ground and transfers this heat into the heat pump.
a ground source system comprises of two main components the ground loop, a series of bore holes or trenches containing pipe work and a reversable heat pump.
the pipework in the ground, in which a brine is circulated, recovers the natural low grade heat from the ground and transfers this heat into the heat pump.
there are
two main groups of ground source heat pumps with variants in each:
horizontal collectors, somtimes called 'slinkies' are buried at a depth of 1-2m in trenches and approximate length of trench containing the coils of pipe is 100-500m. these are best suited to domestic or small commercial installations.
vertical collectors provided by means of 100-200mm diameter boreholes being drilled down to around 100m, the quantity being dependant on ground conditions and the amount of heat required
the pipework of the collector is then inserted into the bores, at the end of this pipework, a specially designed u-bend returns the circulating brine back to the surface.
a larger capacity can be achieved through this type of ground loop.
horizontal collectors, somtimes called 'slinkies' are buried at a depth of 1-2m in trenches and approximate length of trench containing the coils of pipe is 100-500m. these are best suited to domestic or small commercial installations.
vertical collectors provided by means of 100-200mm diameter boreholes being drilled down to around 100m, the quantity being dependant on ground conditions and the amount of heat required
the pipework of the collector is then inserted into the bores, at the end of this pipework, a specially designed u-bend returns the circulating brine back to the surface.
a larger capacity can be achieved through this type of ground loop.
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