LAMBDA help
06-27-2014, 08:19 PM
#3
TECH Senior Member
3.01*V+7.34 gives AFR
look in the FAST user manual to see what the default stoich AFR is assumed...
and then divide the AFR by this default stoich AFR to get Lambda
for example: (3.01*V+7.34)/14.7 == 0.205*V+0.499
look in the FAST user manual to see what the default stoich AFR is assumed...
and then divide the AFR by this default stoich AFR to get Lambda
for example: (3.01*V+7.34)/14.7 == 0.205*V+0.499
06-30-2014, 11:53 AM
#6
TECH Senior Member
Say the wideband reports 2.60 Volts...
then AFR = 3.01*2.60+7.34 = 15.17
and lambda = 15.17/14.7 = 1.032
BUT take note: the value 14.7 depends on what your wideband assumes for stoich (refer to your wideband's user manual).
then AFR = 3.01*2.60+7.34 = 15.17
and lambda = 15.17/14.7 = 1.032
BUT take note: the value 14.7 depends on what your wideband assumes for stoich (refer to your wideband's user manual).