CO2 is needed in a surgical suite for abdominal laparoscopic surgery. You have already designed a nozzle to step down the pressure from the gas cylinder to the delivery hose. The well-insulated delivery hose has a 2.2 mm inner diameter. The inlet conditions to the delivery hose are 103 psia and 17°C. Typically, the surgeon uses 4 to 6 L/min of gas at pressures between 10 to 20 mm Hg to inflate the peritoneal cavity; however, the delivery system must be able to provide flow rate of 17.5 L/min at 20.0 mm Hg for safety. The surgeon will use a pin valve to control the flow rate and maintain the operating space. The gas temperature should not be any colder than 10°C when delivered to patient, or tissue damage might occur. Determine the acceptable delivery hose length to meet the surgical criteria. State assumptions.

CO2 is needed in a surgical suite for abdominal laparoscopic surgery. You have already designed a nozzle to step down the pressure from the gas cylinder to the delivery hose. The well-insulated delivery hose has a 2.2 mm inner diameter. The inlet conditions to the delivery hose are 103 psia and 17°C. Typically, the surgeon uses 4 to 6 L/min of gas at pressures between 10 to 20 mm Hg to inflate the peritoneal cavity; however, the delivery system must be able to provide flow rate of 17.5 L/min at 20.0 mm Hg for safety. The surgeon will use a pin valve to control the flow rate and maintain the operating space. The gas temperature should not be any colder than 10°C when delivered to patient, or tissue damage might occur. Determine the acceptable delivery hose length to meet the surgical criteria. State assumptions.

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

Problem 1.1MA

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Question

CO2 is needed in a surgical suite for abdominal
laparoscopic surgery. You have already designed a nozzle to step down the pressure from the
gas cylinder to the delivery hose. The well-insulated delivery hose has a 2.2 mm inner
diameter. The inlet conditions to the delivery hose are 103 psia and 17°C. Typically, the
surgeon uses 4 to 6 L/min of gas at pressures between 10 to 20 mm Hg to inflate the
peritoneal cavity; however, the delivery system must be able to provide flow rate of 17.5 L/min
at 20.0 mm Hg for safety. The surgeon will use a pin valve to control the flow rate and maintain
the operating space. The gas temperature should not be any colder than 10°C when delivered
to patient, or tissue damage might occur. Determine the acceptable delivery hose length to
meet the surgical criteria. State assumptions.

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