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2. A 3-D printer was used to fabricate a porous cartilage scaffold using a hydrogel solution. The hydrogel (viscosity was 3 x 10 Pa-s) was added to the extruder, and a pressure of 5 bar was applied to extrude 500 mL of the solution over 10 minutes to form the desired shape. The needle attached to the extruder had a length of 50 mm and an inner diameter of 1.0 mm. Determine the pressure drop needed to complete this fabrication process.

2. A 3-D printer was used to fabricate a porous cartilage scaffold using a hydrogel solution. The hydrogel (viscosity was 3 x 10 Pa-s) was added to the extruder, and a pressure of 5 bar was applied to extrude 500 mL of the solution over 10 minutes to form the desired shape. The needle attached to the extruder had a length of 50 mm and an inner diameter of 1.0 mm. Determine the pressure drop needed to complete this fabrication process.

Introduction to Chemical Engineering Thermodynamics
Introduction to Chemical Engineering Thermodynamics
8th Edition
ISBN:9781259696527
Author:J.M. Smith Termodinamica en ingenieria quimica, Hendrick C Van Ness, Michael Abbott, Mark Swihart
Publisher:J.M. Smith Termodinamica en ingenieria quimica, Hendrick C Van Ness, Michael Abbott, Mark Swihart
Chapter1: Introduction
Section: Chapter Questions
Problem 1.1P
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2. A 3-D printer was used to fabricate a porous cartilage scaffold using a hydrogel solution. The hydrogel (viscosity was 3 x 10 Pa-s) was added to the extruder, and a pressure of 5 bar was applied to extrude 500 mL of the solution over 10 minutes to form the desired shape. The needle attached to the extruder had a length of 50 mm and an inner diameter of 1.0 mm. Determine the pressure drop needed to complete this fabrication process.
Transcribed Image Text:2. A 3-D printer was used to fabricate a porous cartilage scaffold using a hydrogel solution. The hydrogel (viscosity was 3 x 10 Pa-s) was added to the extruder, and a pressure of 5 bar was applied to extrude 500 mL of the solution over 10 minutes to form the desired shape. The needle attached to the extruder had a length of 50 mm and an inner diameter of 1.0 mm. Determine the pressure drop needed to complete this fabrication process.
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