@@ -1,8 +1,7 @@ +require 'ruby-units' require 'geometry' include Geometry require 'facets' -require 'ruby-units' -require 'winder' parts = %w(chassis lids) @@ -48,15 +47,6 @@ channel_thickness = (ribbon_thickness*turns)+1 tolerance_distance = 0.01 # tolerance_distance = 0.08 -#Joule heating calculations -drive_amps = 2000.0 * amp -wire_resistance = (Unit("1.5883 ohm")/Unit("1000 ft")) >> Unit("ohm/mm") # ohms per mm derived from http://www.eskimo.com/~billb/tesla/wire1.txt -coil_resistance = wire_resistance *(coil.coil_length*mm) -specific_heat_of_copper = (Unit("24.440 J")/Unit("1 mole")/Unit("1 kelvin")) -atomic_weight_of_copper = (Unit("63.546 g")/Unit("mole")) -coil_weight = ((Unit("19.765 lb")/Unit("1000 ft") >> Unit("g/mm"))*(coil.coil_length*mm)) -coil_weight_in_moles = (coil_weight * atomic_weight_of_copper.inverse) -joule_heating = ((coil_resistance * (drive_amps**2))>>Unit('watt') )* (specific_heat_of_copper.inverse) *coil_weight_in_moles.inverse # Ampère's force law calculations http://en.wikipedia.org/wiki/Ampère%27s_force_law mged_controller.rb 00bcbb874bc31d50bbdf44def152d821c34e493d mark mark@criticalmetrics.com http://github.com/famulus/decawell/commit/eb9e7387b608d2305081f6263ef1f46412c7ff9c eb9e7387b608d2305081f6263ef1f46412c7ff9c 2009-11-01T13:03:21-08:00 2009-11-01T13:03:21-08:00 remove joule heating code 6b433353b709dac4f266f8cb62e483dd652f4618 mark mark@criticalmetrics.com