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A11 — Mass Transit (SI)

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Handbook / Manual / Guide by ASHRAE, 2015

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Description

This chapter describes air-conditioning and heating systems for buses, rail cars, and fixed-guideway vehicles that transport large numbers of people, often in crowded conditions. Air-conditioning systems for these vehicles generally use commercial components, but are packaged specifically for each application, often integral with the styling. Weight, envelope, power consumption, maintainability, and reliability are important factors. Power sources may be electrical (ac or dc), engine crankshaft, compressed air, or hydraulic. These sources are often limited, variable, and interruptible. Characteristics specific to each application are discussed in the following sections. Design aspects common to all mass-transit HVAC systems include passenger comfort (ventilation, thermal comfort, air quality, expectation) and thermal load analysis (passenger dynamic metabolic rate, solar loading, infiltration, multiple climates, vehicle velocity, and, in urban applications, rapid interior load change).

Ventilation and Thermal Comfort
Thermal Load Analysis
Bus Air Conditioning
Rail Car Air Conditioning
Fixed-Guideway Vehicle Air Conditioning

ISBN: 978-1-936504-94-7 (for SI versions of chapters)
ISSN: 1078-6082 (for SI versions of chapters)

Citation: 2015 ASHRAE Handbook — HVAC Applications: Chapter 11, Mass Transit (SI)

Product Details

Published:
2015
ISBN(s):
9781936504947
Number of Pages:
9
Units of Measure:
SI
File Size:
1 file , 4.1 MB
Product Code(s):
D-A112015SI