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Block the Builder presentation at Drupal Jam 2009-06-26 Utrecht
Dependency management in drupal
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House power usage
Calculate the total power usage for some apparatus. See also
Electric_power
Math
power
*
duration
Inputs
Power of vacuum cleaner.
Watts
Vacuum hours per day.
h
Doorbell power.
Watts
Doorbell hours per day.
h
Outputs
Hours per year
hour
(24 * 356)
One KWh
J
Joules. (1000 * 60 * 60)
One GWh
MJ
(kwh / 1000 / 1000)
Vacuum usage
KWh
(vacuumpower * vacuumduration * hoursperyear / kwh)
Doorbell usage.
KWh
(doorbellpower * doorbellduration * hoursperyear / kwh)
