Siphonic
Encyclopedia
Siphonic is a relatively new drainage
system developed in the 60s. It utilizes hydrostatic pressure to drain water instead of gravity. It has numerous advantages over gravity drainage. Pipe sizes are usually much smaller than typical gravity drainage.
Siphonic systems are engineered on the concept of full bore flow (a fill rate
of 100%) of uncompressible fluid. That is rainwater is transferred at high velocity through pipe networks that are small, flexible, and generally of zero gradient by harnessing the energy derived from the hydraulic head
which is created due to natural difference in elevations of roof outlet and the discharge points in a building.
Analysis of pipe networks takes into consideration the available hydraulic head and head losses due the different pipe materials and pipe configurations used in the system. Iterative calculations are done to ensure a properly balanced system free from cavitations and where the pressures and flow velocities are controlled to ensure the proper function of siphonic.
Drainage
Drainage is the natural or artificial removal of surface and sub-surface water from an area. Many agricultural soils need drainage to improve production or to manage water supplies.-Early history:...
system developed in the 60s. It utilizes hydrostatic pressure to drain water instead of gravity. It has numerous advantages over gravity drainage. Pipe sizes are usually much smaller than typical gravity drainage.
Siphonic systems are engineered on the concept of full bore flow (a fill rate
Fillrate
The term fillrate usually refers to the number of pixels a video card can render and write to video memory in a second. In this case, fillrates are given in megapixels per second or in gigapixels per second , and they are obtained by multiplying the number of raster operations by the clock...
of 100%) of uncompressible fluid. That is rainwater is transferred at high velocity through pipe networks that are small, flexible, and generally of zero gradient by harnessing the energy derived from the hydraulic head
Hydraulic head
Hydraulic head or piezometric head is a specific measurement of water pressure above a geodetic datum. It is usually measured as a water surface elevation, expressed in units of length, at the entrance of a piezometer...
which is created due to natural difference in elevations of roof outlet and the discharge points in a building.
Analysis of pipe networks takes into consideration the available hydraulic head and head losses due the different pipe materials and pipe configurations used in the system. Iterative calculations are done to ensure a properly balanced system free from cavitations and where the pressures and flow velocities are controlled to ensure the proper function of siphonic.