Transient Dynamics Simulation of Airflow in a CT-Scanned Human Airway Tree: More or Fewer Terminal Bronchi?

Table 1

Lobar distribution of inhaled and exhaled air, lobar volume ratio, and the outlet area ratio.

Parameters	LUL	LLL	RUL	RML	RLL
	0.261	0.235	0.247	0.044	0.221
	0.158	0.302	0.160	0.063	0.316
	0.273	0.242	0.256	0.036	0.193
	0.197	0.256	0.194	0.079	0.274
LVR	0.234	0.238	0.199	0.080	0.249
	0.227	0.208	0.241	0.093	0.231
	0.190	0.301	0.176	0.062	0.271

is the lobar distribution for the complete model at inspiration; is the lobar distribution for the truncated model at inspiration; is the lobar distribution for the complete model at expiration; is the lobar distribution for the truncated model at expiration; LVR is the lobar volume ratio; is the outlet area ratio for the complete model; is the outlet area ratio for the truncated model.