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pro vyhledávání: '"H.R.N. Jones"'
Autor:
Allan N. Hayhurst, H.R.N. Jones
Publikováno v:
Combustion and Flame. 166:86-97
The positive and negative ions in fuel-rich, pre-mixed flames of CH 4 + O 2 + Ar (0.4 ≤ C/O (atomic basis) ≤0.75) burning at 1 atm have been studied mass spectrometrically. The ions in the most oxygen-rich of these non-turbulent flames were found
Autor:
H.R.N. Jones, J. Leng
Publikováno v:
Combustion and Flame. 104:419-430
A commercially available nonpremixed pulsed combustion room heater designed to burn natural gas has been used to study emissions of NOx and CO using a wide range of fuel flowrates and fuel compositions. In particular, the effect of addition of hydrog
Autor:
Allan N. Hayhurst, H.R.N. Jones
Publikováno v:
International Journal of Mass Spectrometry and Ion Processes. 148:L29-L33
Flames contain a variety of positive and negative ions, as well as free electrons. Here flames at atmospheric pressure and temperatures up to about 2700 K have been sampled directly and continuously into a quadrupole mass filter, operated without any
The effect of hydrogen and propane addition on the operation of a natural gas-fired pulsed combustor
Autor:
H.R.N. Jones, J. Leng
Publikováno v:
Combustion and Flame. 99:404-412
A commercialy available nonpremixed pulsed combustion room heater designed to burn natural gas has been used to study the effect of gas composition on the operational characteristics of the combustor. Three parameters have been monitored as fuel flow
Autor:
H.R.N. Jones, A.N. Hayhurst
Publikováno v:
Symposium (International) on Combustion. 20:1121-1128
A direct-sampling quadrupole mass spectrometer has been used to study positive and negative ion concentrations in a series of fuel-rich pre-mixed acetylene/oxygen/argon flames at atmospheric pressure, with a ratio of atoms C/O=0.80 to 1.09. The spect
Autor:
Allan N. Hayhurst, H.R.N. Jones
Publikováno v:
Combustion and Flame. 78:339-356
A quadrupole mass spectrometer was used to measure individual and total ion concentrations in premixed atmospheric-pressure flames of acetylene, oxygen and argon, to which small quantities of sodium, strontium, or manganese had been added. Large incr
Autor:
H.R.N. Jones, Allan N. Hayhurst
Publikováno v:
Nature. 296:61-63
The identity of the first ion formed in hydrocarbon flames has created much discussion. Two species have been favoured1–7, produced in the chemi-ionization processes: CH + O → CHO+ + e− (1) CH* + C2H2 → C3H3+ + e− (2) Reaction (2) is usuall
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Autor:
H.R.N. Jones, Allan N. Hayhurst
Publikováno v:
Journal of the Chemical Society, Faraday Transactions 2. 83:1
An appreciation of the work of Sir Morris Sugden is given. In this study the positive and negative ions in five oxyacetylene flames were observed mass spectrometrically. The flames ranged from one which was fairly fuelrich (C/O = 0.80) to ones with a