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Title	CARRIAGE AND RAILCAR HEATING. TRIALS ON HEATING CUT-OFF COCKS WITH LEAKAGE HOLES TO AVOID FREEZING OF THE MAIN STEAM PIPE
Accession No	00053062
Corp. Authors / Publisher	International Union of Railways
Publication Date	19641000
Description	10 p.; Appendices(2); Figures(12)
Abstract	In UIC-leaflet No. 551, article 11, it was laid down that in the case of newly built rolling stock, the steam cut-off cocks of the main steam pipe, as from 1st January 1962, must possess, in addition to "open" or "closed" positions, an appropriately marked position which can be used for releasing steam at the rear of the train through an opening with a minimum cross section of 1.5 mm to the 2nd power. In a relevant footnote it has been stated that the cross section of the leakage hole may still be changed when more accurate tests have been made. Within the scope of the tasks entrusted to it by the ORE Control Committee, the B 30 Specialists Committee has studied, by means of tests in the Vienna Arsenal Testing Station, the behaviour of the steam discharged from leakage holes at several steam pressures down to minus 20 degrees centigrade and assembled the results in this report. Simultaneously, the behaviour of the discharged steam from a steam leakage hole in the end-cap of a new suspension device and the results were compared with those of the steam cut-off cook.
Supplemental Information	Restrictions on the use of this document are contained in the explanatory material.
TRT Terms	Cold weather ; Freezing ; Heating ; Heating systems ; Heating, cooling and ventilation equipment ; Operations ; Passenger cars ; Steam
Other Terms	Cold weather operations; Heating-ventilating-air conditioning systems; Question b30; Steam heating
Subject Areas	R03 R03.
Report Number	B30/RP 18/E Intrm Rpt.
Availability	International Union of Railways Order Document: http://www4.trb.org/trb/onlinepubs.nsf/web/out-of-print?OpenDocument Order Number: DOTL RP
Document Source	International Union of Railways
TRIS Files	RRIS
Database	TRIS Online

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