This preview shows pages 1–2. Sign up to view the full content.
This preview has intentionally blurred sections. Sign up to view the full version.View Full Document
Unformatted text preview: CEE 4674 A8 Trani Page 2 of 2 Problem 2 a) For Ronald Reagan DCA Airport (see Figure 2), estimate the number of x-ray machines needed to screen passengers getting into the pier terminal if the peak demand flow is 1,500 passengers per hour for all gates (Poisson). Assume a passenger takes 35 seconds to go through the screening area (expected value) and that the distribution of service times is Negative Exponential. Figure 2. DCA Airport Terminal. b) Find the average queue length for the process. c) Find the length of the queueing area necessary to accommodate all passengers without blocking the circulation corridor. d) Find the number of servers in the year 2025 if the demand grows by 30% and if the TSA procedures reduce the service times to 25 seconds per passenger. Comment....
View Full Document
This note was uploaded on 01/07/2012 for the course CEE 4674 taught by Professor Staff during the Fall '11 term at Virginia Tech.
- Fall '11