DQRID : D030117.18
Start DateStart TimeEnd DateEnd Time
08/07/2002163008/07/20021730
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Subject:
SGP/EBBR/E20 - AEM Hung between Home Positions
DataStreams:sgp30ebbrE20.b1, sgp5ebbrE20.b1, sgp15ebbrE20.b1
Description:
When the AEM (Automatic Exchange Mechanism) is hung 
inbetween home positions, the gradients of temperature and 
relative humidity, and thus sensible and latent heat fluxes, 
are incorrect.

There is no work-around to this problem.
Suggestions: 
Measurements:sgp30ebbrE20.b1:
  • Bottom T/RH sensor temperature(temp_trh_bottom)
  • Bottom vapor pressure(vapor_pressure_bottom)
  • Top relative humidity (fractional)(rh_top_fraction)
  • Bottom relative humidity (fractional)(rh_bottom_fraction)
  • Surface sensible heat flux(sensible_heat_flux)
  • Bowen ratio(bowen_ratio)
  • Top vapor pressure(vapor_pressure_top)
  • Top air temperature(temp_air_top)
  • Bottom air temperature(temp_air_bottom)
  • Surface latent heat flux(latent_heat_flux)
  • Top T/RH sensor temperature(temp_trh_top)
more
sgp15ebbrE20.b1:
  • Left air temperature(temp_air_left)
  • Right air temperature(temp_air_right)
more
sgp5ebbrE20.b1:
  • Top air temperature(temp_air_top)
  • Top T/RH sensor temperature(temp_trh_top)
  • Bottom vapor pressure(vapor_pressure_bottom)
  • Bottom T/RH sensor temperature(temp_trh_bottom)
  • Top relative humidity (fractional)(rh_top_fraction)
  • Bottom relative humidity (fractional)(rh_bottom_fraction)
  • Top vapor pressure(vapor_pressure_top)
  • Bottom air temperature(temp_air_bottom)
more

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