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Isothermal Methods for Assessing Combustible Powders. Part I. Theoretical and Experimental Approach. Part II. Practical Case Histories
The report examines the temperature build-up within a pile of material capable of generating heat at a rate which is a function of temperature. Heat is generated from within the pile and lost from the surface resulting in a temperature gradient from the centre to the edge of the pile. For such a pile of self-heating material, a critical temperature exists at which heat generated exceeds surface cooling leading to ignition. Part 1 of the report considers the theory of thermal ignition and the assumptions made to obtain relationships between pile size and temperature. Application of the theory to laboratory tests and its extrapolation to industrial scale are detailed. Attention is drawn to the more important corrections and extensions of the basic theory. Part 2 discusses three case histories in which the theory has been applied to explain fires and to suggest preventive measures. The cases chosen are intended to illustrate some of the advantages and drawbacks of isothermal methods of analysis.
Isothermal Methods for Assessing Combustible Powders. Part I. Theoretical and Experimental Approach. Part II. Practical Case Histories
The report examines the temperature build-up within a pile of material capable of generating heat at a rate which is a function of temperature. Heat is generated from within the pile and lost from the surface resulting in a temperature gradient from the centre to the edge of the pile. For such a pile of self-heating material, a critical temperature exists at which heat generated exceeds surface cooling leading to ignition. Part 1 of the report considers the theory of thermal ignition and the assumptions made to obtain relationships between pile size and temperature. Application of the theory to laboratory tests and its extrapolation to industrial scale are detailed. Attention is drawn to the more important corrections and extensions of the basic theory. Part 2 discusses three case histories in which the theory has been applied to explain fires and to suggest preventive measures. The cases chosen are intended to illustrate some of the advantages and drawbacks of isothermal methods of analysis.
Isothermal Methods for Assessing Combustible Powders. Part I. Theoretical and Experimental Approach. Part II. Practical Case Histories
P. F. Beever (author) / P. F. Thorne (author)
1982
20 pages
Report
No indication
English
Isothermal methods for assessing combustible powders
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