CASE The mass on Ms. Câs left kidney is hypoattenuating and nonenhancing on CT. It meets Bosniak criteria for a benign simple cyst (class I) and requires no further evaluation or follow-up. Colonoscopy detects multiple colonic polyps that are removed, and the patient does well.
Water pipelines and distribution systems are subjected to surges almost daily, which. over time can cause damage to equipment and possible contamination. Surges are caused by. sudden changes in fluid velocity and can be as minor as a few psi to five times the static. pressure. The causes and effects of these surges in pumping systems will be discussed along. with equipment designed to prevent and dissipate surges. Only with the knowledge of all of the.
Storm surge is produced by water being pushed toward the shore by the force of the winds moving cyclonically around the storm. The impact on surge of the low pressure associated with intense storms is minimal in comparison to the water being forced toward the shore by the wind.