By Dirk Proske (auth.)
The time period threat has skilled a dramatic development in utilization during the last few years. this is often typically as a result of the growing to be main issue concerning the way forward for mankind, but in addition to a better knowledge of the restricted nature of our assets. humans need to know what can get it wrong.
In the start phrases resembling chance, catastrophe, indeterminacy and uncertainty are mentioned intimately during this ebook. additionally mess ups and hazards are classified into typical, technical, well-being and social hazards, after which significant mess ups in those different types are indexed. hazard parameters are brought to permit the target description of hazards. the reason of threat parameters (such as mortalities, deadly twist of fate charges, the family members of F-N curves and the concept that of misplaced existence years) ends up in the standard of lifestyles parameters as measurements of threat. ordinarily this parameter allows the comparability of the potency of all protection measures over the whole human society. notwithstanding, obstacles of this idea also are disclosed.
The ebook truly exhibits the interdependence of danger measures. protection and hazards can't be mentioned basically by means of particular difficulties, due to the fact that expanding defense in person fields may perhaps bring about a lessen of safeguard over the full society.
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Extra resources for Catalogue of Risks: Natural, Technical, Social and Health Risks
This started to change during the 19th century. For example, Bolzmann started to deal with systems with an incredibly large number of single elements (Noack 2002). He mainly looked into systems with unorganised complexity, such as molecules in the air (Weaver 1948). Earlier scientists, however, like Galileo dealt with more so-called trivial systems (Noack 2002). Between these two systems, a third arm exists (Fig. 1-30): systems with organised complexity (Riedl 2000, Weaver 1948). This type of systems is of major interest, and will be discussed in detail later.
42 1 Indetermination and Risk Table 1-3. Characteristic time span for different processes (Frisch 1989) Astronomical process Geological process Biological process Higher organized life Development neocortex Ecological process Economical process Political process Technical process Human organism Characteristic time span in years 1–109 104–109 < 109 550 × 106 3 × 104–105 10–104 10–5 × 10 4–5 (legislature period) or up to 40 years (dictatorship) 1–20 Up to 100 Ernst Mach stated about time as “our concept of time phrases the most radical and general relation of things” (Neundorf 2006).
Complexity is the logarithm of the number of possible stages of a system (Cramer 1989). • Complexity is related to dynamics and high rates of changes (Fehling 2002). • Complexity of a system is the shortest program for the description of the system (Schulz 2002, Weiss 2001). • Complexity is intransparency. Complex systems cannot be fully described and therefore include, under all conditions, indetermination. 3 Terms Related to Non-Evaluated Indetermination 31 In addition, a complex system can be defined if one of the following properties is valid (Kastenberg 2005): • The system is more than the sum of the parts.
Catalogue of Risks: Natural, Technical, Social and Health Risks by Dirk Proske (auth.)
Categories: Industrial Engineering