PS1 - ENES 100 Introduction to Engineering Design Fall 2010...

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ENES 100 Introduction to Engineering Design Fall 2010 1/3 Problem Set #1 Assigned: Sept. 3, 2010 Due: In class on Sept. 13 (M) or Sept. 14 (Tu) Reading: Chapter 3: Fluid Mechanics and Design Analysis Problems: 1. A piston having a mass of 1 kg slides freely within a cylinder as illustrated in Figure 1. a. What is the pressure in the cylinder if the piston is round and has a diameter of 8 cm? b. What is the pressure in the cylinder if the piston is square with a linear dimension of 8 cm? g D=8cm L=8cm Figure 1. Cutaway view of two different piston Ͳ in Ͳ cylinder configurations W=8cm Square piston Air Air
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ENES 100 Introduction to Engineering Design Fall 2010 2/3 2. The flow exiting the plenum of the hovercraft (the chamber underneath the skirt and body) can be modeled as the flow exiting from a contracting nozzle, as shown in Figure 2. For the questions below, consider air with a constant density of 1.2 kg/m 3 flowing through a 0.5 m wide rectangular duct which exhausts to the atmosphere as illustrated in the right side of
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This note was uploaded on 09/27/2011 for the course ENES 100 taught by Professor Jacob during the Fall '08 term at Maryland.

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PS1 - ENES 100 Introduction to Engineering Design Fall 2010...

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