Experiment 1The Performance of Syringe Injection PumpExperiment object: Knowledge of the performance of the syringe injection pump andits calculationsSyringe injection pumps are used for the slow injection of drugs. These devices are alsoused for injection of blood components, such as plasma. Figures below illustrate thesyringe injection pump and its parts.All fusion syringe pump systems have a single lead screw threaded through a pusherblock. The pusher block moves when the lead screw turns. The two guide rods keep thepusher block horizontal and perfectly perpendicular to the lead screw. The block-release button disengages the pusher block from the lead screw.Move the pusher block to a new position by holding down the button. Releasing thebutton will lock the pusher block back in place.Place the syringes on the syringe-holder block in the v-shaped grooves, or channels, andhold securely using syringe clamps. It may be used one or more syringe channels. Thesafety collar of the Fusions helps protect the integrity of the syringes by keeping thepusher block from pushing on a completely depressed syringe.The amount of the liquid that injected is arranged by the speed of the stepper motorthat connected directly with screw or by gears and the sizes of the syringe and theirdimensions.Experiment DataTake the following data for the syringe injection pumpInner diameter of syringe barrel: D = 1.5 cmInner diameter of the needle shaft of the syringe: d = 0.5 mmThe thread pitch of lead screw: pt = 0.75 mmLead screw rotation velocity (rpm): nCalculationsLiquid injection rate (cm³/hr) Q = pt*n* 60 * π * D²/4Velocity of liquid in syringe barrel (cm/min) vb = 4Q/ (60** D²)Velocity of liquid in syringe needle (cm/min) v₁ = 4Q/ (60** d²)Find the rotation velocity of lead screw n and the velocity of liquid in syringe needle if therequired injection dose is1. 10 cm³ in 3 hours(continuous injection)2. 20 cm³ in 12 hours(discontinuous injection, 5 cm³ each 3 hour, injection time = 1min).Discus the results briefly.

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Take the following data for the syringe injection pump Inner diameter of syringe barrel: D = 1.5 cm Inner diameter of the needle shaft of the syringe: d = 0.5 mm The thread pitch of lead screw: pt = 0.75 mm Lead screw rotation velocity (rpm): n Calculations Liquid injection rate (cm³/hr) Q = pt*n* 60 * π * D²/4 Velocity of liquid in syringe barrel (cm/min) vb = 4Q/ (60** D²) Velocity of liquid in syringe needle (cm/min) v = 40/ (60** d²)

Take the following data for the syringe injection pump Inner diameter of syringe barrel: D = 1.5 cm Inner diameter of the needle shaft of the syringe: d = 0.5 mm The thread pitch of lead screw: pt = 0.75 mm Lead screw rotation velocity (rpm): n Calculations Liquid injection rate (cm³/hr) Q = ptn 60 * π * D²/4 Velocity of liquid in syringe barrel (cm/min) vb = 4Q/ (60 D²) Velocity of liquid in syringe needle (cm/min) v = 40/ (60 d²)

Principles of Heat Transfer (Activate Learning with these NEW titles from Engineering!)

8th Edition

ISBN:9781305387102

Author:Kreith, Frank; Manglik, Raj M.

Publisher:Kreith, Frank; Manglik, Raj M.

Chapter6: Forced Convection Over Exterior Surfaces

Section: Chapter Questions

Problem 6.1DP

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