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Browsing by Author "Van Doornum, GAW"

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Alternative fuels for internal combustion engines. Document 3/1

Author: Van Doornum, GAW ; Gericke, EL Date: 1966 This report forms part of a three part series, investigating alternative fuels for engines. Read more
Combustion tests on Natal ammonium washed nuts and middlings

Author: Van Doornum, GAW Date: 1967 The object of the tests was to compare the relative effectiveness of these fuels and to observe any ash content and the presence of a high proportion of dull material. Read more
Density and oxygen content of moist air

Author: Van Doornum, GAW Date: 1973 A knowledge of the density is required for the evaluation of air-flow measurements involving orifice plates. pitot tubes and similar equipment. Read more
Dual fuel operation of a diesel engine on methane

Author: Heim, FC ; Van Doornum, GAW Date: 1973 A ford Trader diesel engine was operated on the dual fuel system, using diesel oil and methane. A considerable reduction in smoke generation and power loss could be obtained under operation at high altitude by replacing approximately 25% of ... Read more
Further tests stokermatic spaceheaters

Author: Kuiters, A ; Van Doornum, GAW Date: 1969 A further examination of these models revealed that the coal feed rate did not permit a very much greater output that was achieved during the experiments. The units were retested at full load, while some additional trials at reduced load were ... Read more
The open fire and air pollution

Author: Burger, E ; Van Doornum, GAW ; Van Heerden, RB Date: 1965 Due to the importance of limiting the degree of air pollution, caused mostly by coal fires, it has become necessary to seek a practicable solution to the problem of smoke generation in open hearth fires, where combustion is uncontrolled. Read more
Operation of a fan-assisted fantom fire on anthracite and bituminous coal

Author: Van Doornum, GAW Date: 1968 The fantom fire was tested at the request of Messrs. Field Aircraft Services Africa, Limited, the importers of the appliance. During the experiment, the fire was installed in a 16" standard fireback (c.f. B.S. No. 1251) which forms part of ... Read more
Operation of a fury No. 3 vertical hot water generator on various fuels (First progress report)

Author: Van Doornum, GAW Date: 1967 In the experiments covered in this report, a fury No. 3 hot water boiler was operated on Witbank bituminous coal (Waterpan), on anthracite (Natal Ammonium) and mixtures of these two fuels. Read more
Operation of two types of fury hot water boiler on various fuels hand fired - Second progress report

Author: Van Doornum, GAW Date: 1967 In the tests performed on the fury no. 3 boiler two types of semi - anthracite (New Cambrian and Balgray) were fired in the same manner as set out in the first progress report (Technical Memorandum No. 15 of 1965). In addition one test was ... Read more
Performance of a Zeta hot water generator on bituminous coal

Author: Van Doornum, GAW ; Kuiters, A Date: 1967 At the request of the Solid Fuels Advisory Bureau a Zeta Model No. 30 boiler, installed on the premises of the United Building Society, U.B.S, building, Johannesburg was tested under actual operating conditions. Read more
Performance of stokermatic space heaters

Author: Van Doornum, GAW Date: 1968 This item is a report on the performance of stokermatic space heaters. Read more
Pipelines for solid materials

Author: Van Doornum, GAW Date: 1971 The following notes are extracted from a paper presented by A.H. Kloosterman at a meeting of the Royal Netherlands Institute of Engineers on 19th November, 1970 and published in " De Ingenieur of 2nd April, 1971. In this extract, particular ... Read more
Preliminary report on petrol tests

Author: Van Doornum, GAW Date: 1955 Testing of the following motor spirits: Synthetic petrol no 22, 24 ,82, 93 and Normal commercial motor spirit to establish any significant difference in operation in a normal motor - car engine that might be expected. Read more
Preliminary report on the performance of Zavichack water heating apparatus

Author: Van Doornum, GAW Date: 1964 In this report, the performance of the Zavichack water heating apparatus is being tested. Read more
Preliminary studies of the effect of certain variables on the performance of shallow bath, dense medium washers

Author: Van Doornum, GAW ; Petrick, AT Date: 1961 Experimental work on a pilot plant Drewboy washer having a nominal feed capacity of 20 t.p.h is discussed in this report. Read more
Report on collector tests at Kelvin Power Station during September 1957

Author: Van Doornum, GAW Date: 1957 The tests reported herein were carried out on behalf of Messrs. Davidson & Company, the suppliers of the dust collector equipment, for the purpose of determining the performance of the instillation. The tests were performed concurrently with ... Read more
Report on dust collector tests at Salt River Power Station during September, 1957

Author: Van Doornum, G.A.W ; Van Doornum, GAW Date: 1957 The tests reported herein carried out on behalf of Messrs. Davidson and Company, the suppliers of the dust collecting equipment, for the purpose of determining the performance of the installation. Read more
Smokeless combustion of bituminous coal small appliances

Author: Van Doornum, G.A.W ; Van Doornum, GAW Date: 1965 It is one of purposes of this memorandum to refute this notion, although it must conceded that the results observed in practice seem to support this contention. Read more
Tests to determine the suitability of selected fuels in S.A.R. Dining saloon stoves

Author: La Grange, C.C ; Van Doornum, GAW Date: 1949 During 1948 the South African Railways and Harbors Administration approached the Institute with the request for collaboration in an investigation aimed at rendering fires in dining saloon stoves smokeless while trains were in large stations ... Read more
Weathering of anthracite

Author: Van Doornum, GAW ; Van Eeden, GS Date: 1962 During 1959 it was observed that anthracite stored at the Bluff, Durban, discolored apparently while awaiting shipment. Read more

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