This document is applicable to the calculation, measurement and/or verification of energy consumption of railway vehicle HVAC (heating, ventilation and air-conditioning) systems.
The HVAC system energy consumption is simulated, calculated, measured and validated in accordance with the requirements of thermal comfort defined in ISO 19659-2, considering the same category of passenger railway vehicles as detailed in ISO 19659-2, Clause 4:
— Category 1 (e.g. main line, intercity, long distance, high speed);
— Category 2 (e.g. suburban, commuter, regional);
— Category 3 (e.g. urban, LRV, tram, metro/subway).
This document only covers the passenger area HVAC systems. Driver’s cab HVAC systems are excluded but could be treated in a similar way.
Status: PublishedPublication date: 2022-10
Edition: 1Number of pages: 24
Technical Committee: ISO/TC 269/SC 2 Rolling stock
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