THERMAL COMFORT EVALUATION IN TEHRAN METRO USING RELATIVE WARMTH INDEX

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ABBASPOUR M.; JAFARI M.J.; MANSOURI N.; MOATAR F.; NOURI N.; ALAH YARI M.

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Journal Paper

Paper Information

Journal: INTERNATIONAL JOURNAL OF ENVIRONMENTAL SCIENCE AND TECHNOLOGY (IJEST) Year:2008 | Volume:5 | Issue:3 (19) Page(s): 297-304

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Title

THERMAL COMFORT EVALUATION IN TEHRAN METRO USING RELATIVE WARMTH INDEX

Author(s)

Keywords

PASSENGER DISCOMFORT

RELATIVE HUMIDITY

SUBWAY

UNDERGROUND RAILWAY

Abstract

Underground railway systems, can generate heat from their operations to raise the temperatures of carriages and the station substantially. This may lead to PASSENGER DISCOMFORT and complain especially in warm weather conditions that prevail in Tehran if underground environment is not cooled. Transportation air conditioning Committee of American Society of Heating, Refrigerating and air-conditioning Engineers proposed the Relative Warmth Index for thermal comfort design and investigation in SUBWAY environment. In this research, thermal comfort at Tehran metro stations and carriages of lines 1 and 2 has been studied using this index. The measurements were taken during two periods of September 2006 and July 2007 at different zones of stations. For this purpose, temperature, RELATIVE HUMIDITY and air velocity were measured at different times. The status of the air-conditioning systems together with passenger traffic was also recorded. A total number of 231 measurements including 114 and 117 measurements were carried out in September 2006 and in July 2007 respectively. The measurements in September 2006 did not exceed the thermal limit. However, it did exceed in July 2007. In comparison, with thermal comfort level of metros all over the world, Tehran Metro stands in an acceptable condition, while the maximum capacity of air-conditioning systems was not used, if so the thermal comfort condition would be better.

Cites

SIMULATION OF GLOBAL WARMING EFFECT ON OUTDOOR THERMAL COMFORT CONDITIONS

References

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APA: Copy

ABBASPOUR, M., JAFARI, M.J., MANSOURI, N., MOATAR, F., NOURI, N., & ALAH YARI, M.. (2008). THERMAL COMFORT EVALUATION IN TEHRAN METRO USING RELATIVE WARMTH INDEX. INTERNATIONAL JOURNAL OF ENVIRONMENTAL SCIENCE AND TECHNOLOGY (IJEST), 5(3 (19)), 297-304. SID. https://sid.ir/paper/285110/en

Vancouver: Copy

ABBASPOUR M., JAFARI M.J., MANSOURI N., MOATAR F., NOURI N., ALAH YARI M.. THERMAL COMFORT EVALUATION IN TEHRAN METRO USING RELATIVE WARMTH INDEX. INTERNATIONAL JOURNAL OF ENVIRONMENTAL SCIENCE AND TECHNOLOGY (IJEST)[Internet]. 2008;5(3 (19)):297-304. Available from: https://sid.ir/paper/285110/en

IEEE: Copy

M. ABBASPOUR, M.J. JAFARI, N. MANSOURI, F. MOATAR, N. NOURI, and M. ALAH YARI, “THERMAL COMFORT EVALUATION IN TEHRAN METRO USING RELATIVE WARMTH INDEX,” INTERNATIONAL JOURNAL OF ENVIRONMENTAL SCIENCE AND TECHNOLOGY (IJEST), vol. 5, no. 3 (19), pp. 297–304, 2008, [Online]. Available: https://sid.ir/paper/285110/en

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