transformation (fitting)

[EN 12792:2003, 375]:affects a change of area and/or the form of the cross-section. If the transformation is continuous then a reduction in the area is termed convergent and an increase in area is termed divergent. If the transformation is abrupt Continue reading →

transition flow

[AIVC, Air infiltration and ventilation glossary, 1992]:the unstable region of flow that occurs when there is a change from a laminar to a turbulent flow regime.(see laminar flow; turbulent flow)

Continue reading →