Chapter 4. Source Models

The learning objectives for this chapter are to:

  1. Explain why and how source models are used in risk assessment.

  2. Describe simple source models used for liquids and gases: holes, pipe flow, and liquid pools.

  3. Describe more complex source models: holes in tanks.

  4. Describe more complex source models: evaporation and flashing or boiling liquids.

  5. Distinguish between realistic and worst-case releases.

  6. Perform conservative analysis.

Most incidents in chemical plants result in spills of toxic, flammable, or explosive materials. Source models are an important part of the consequence modeling procedure shown in Figure 4-1. Figure 4-1 also identifies the particular chapters in this book that are related to the topics shown. Additional ...

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