NBN EN 14750-2 : 2006
Current
The latest, up-to-date edition.
RAILWAY APPLICATIONS - AIR CONDITIONING FOR URBAN AND SUBURBAN ROLLING STOCK - PART 2: TYPE TESTS
12-01-2013
Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Test classification
5 Preliminary verifications
6 Comfort tests
6.1 Air movement
6.1.1 General remarks
6.1.2 Air flow rates
6.1.3 Pressure differentials (visualisation)
6.2 Critical air speed
6.3 Measurement of air speeds
7 Climatic tests
7.1 General remarks
7.2 Preheating test
7.2.1 Test level TL1
7.2.2 Test level TL2
7.3 Pre-cooling test
7.3.1 Test level TL1
7.3.2 Test level TL2
7.4 Regulation tests
7.5 Tests with door open/closed
8 Tests at extreme exterior operating conditions
9 Complementary tests
9.1 Determination of the coefficient k
9.1.1 Purpose of the test
9.1.2 Definition
9.1.3 Procedure
9.2 Thermography
9.3 Noise emission
9.4 Vibration generation
10 Methods of measurement - Measuring instruments
10.1 General remarks
10.2 Temperatures
10.2.1 Air temperature
10.2.2 Surface temperatures
10.3 Relative humidity
10.4 Air speed
10.5 Airflow rate
10.6 Simulated speed of the vehicle
10.7 Equivalent solar load
10.8 Energy consumption and power rating
11 Characteristics of the test equipment
11.1 General remarks
11.2 Occupation
11.3 Equivalent solar load
11.3.1 Solar load calculation
11.3.2 Window area
11.3.3 Wall area
11.3.4 Roof area
12 Distribution of measuring points
12.1 General
12.2 Distribution of sensors in the vehicle
12.2.1 Comfort envelope temperature measurement
points
12.2.2 Surface temperature measurement points
12.2.3 Supply air outlet temperature measurement
points
12.2.4 Comfort envelope air speed measurement points
12.2.5 Comfort envelope relative humidity measurement
points
12.3 Climatic chamber sensor distribution
Annex A (normative) Test programme for TL1
Annex B (normative) Test programme for TL2
Annex C (normative) Equivalent solar load
Annex D (normative) Location of the measuring points used
for the determination of the mean interior
temperature (Tim), the determination of the
range of extreme interior temperatures and the
relative humidity in the comfort envelopes and
local annexes
D.1 Vehicles without articulation
D.2 Vehicles with articulation
Annex E (normative) Location of the measuring points used
for the determination of surface temperatures
Annex F (normative) Location of sensors
Applies to suburban and/or regional vehicles and also metro and tramway vehicles equipped with cooling and/or heating/ventilation systems. States the comfort parameter measurement methods for compartment or saloon (single level or double-decker).
DocumentType |
Standard
|
PublisherName |
Belgian Standards
|
Status |
Current
|
Standards | Relationship |
UNI EN 14750-2 : 2006 | Identical |
BS EN 14750-2:2006 | Identical |
EN 14750-2:2006 | Identical |
UNE-EN 14750-2:2007 | Identical |
DIN EN 14750-2:2006-08 | Identical |
Access your standards online with a subscription
Features
-
Simple online access to standards, technical information and regulations.
-
Critical updates of standards and customisable alerts and notifications.
-
Multi-user online standards collection: secure, flexible and cost effective.