Conditions commonly identified by chest radiography. 1  Pneumonia. 2  Pneumothorax. 3  Interstitial lung disease. 4  Heart failure. 5  Bone fracture. 6  Hiatal hernia.
Helicoidal flow is the cork-screw-like flow of water in a meander.It is one example of a secondary flow.he helicoidal motion of the flow aids the processes of hydraulic action and corrasion on the outside of the meander, and sweeps sediment across the floor of the meander towards the inside of the meander, forming point bar deposits.
Bulk flow is a movement of molecules from an area of high pressure to an area of low pressure. In cell biology, it refers to the transport of fluids or electrolytes between cells through openings, or pores, between the cells. Toilets and faucets employ mechanisms that utilize bulk flow, as well as the transport systems found in plants and animals.