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

This preview shows pages 1–3. Sign up to view the full content.

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

This preview has intentionally blurred sections. Sign up to view the full version.

View Full Document
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
This is the end of the preview. Sign up to access the rest of the document.

## This note was uploaded on 09/27/2011 for the course ENES 100 taught by Professor Jacob during the Fall '08 term at Maryland.

### Page1 / 3

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

This preview shows document pages 1 - 3. Sign up to view the full document.

View Full Document
Ask a homework question - tutors are online