NPB 113 Lecture Notes - Lecture 27: Reynolds Number, Histamine, Turbulence
3 Apr 2021
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Contract abdominal muscles and internal intercostals strongly and, rapidly. " thoracic volume d (cid:8869) pip becomes large number. Pip - 788 - palm = 760 mmhg ) - mm, itg4 :* ii. iii. Static resistance as defined by pot seville "s law : Dynamic resistance : airway resistance due to the airflow. Velocity to where the lamina is against the surface of the airway. Transitional airflow laminar of air occurs at branch: - " eddy s " or backwards. flow. Turbulent airflow : " tumbling " airflow. Reynolds number ( re ) allows us to determine whether laminar or turbulent flow occurs. As radius cr ) or velocity ( t ) t , ret . more likely to have dynamic resistance. " pharynx 1 larynx : 0. 6cm h2o / ( lim th ) Trachea and 10 bronchi : l . Smallest bronchioles : 0. 1 cm h2o 1 ( ll min ) Factors that affect bronchi 01 ar "resistance.
