Chemical Engineering

Download Estimating the Flammable Mass of a Vapor Cloud: A CCPS by John L. Woodward PDF

By John L. Woodward

This CCPS suggestion booklet exhibits designers and operators of chemical amenities the right way to realistically estimate the flammable mass in a cloud of by chance published fabric that's in a position to igniting. It offers details on event with flammable vapor clouds, uncomplicated recommendations of fires and explosions, and an outline of comparable machine programs.Content:
Chapter 1 creation (pages 1–4):
Chapter 2 evaluation (pages 5–9):
Chapter three stories with Flammable Vapor Clouds (pages 11–29):
Chapter four easy Concepts—Fluid circulate, Fires, and Explosions (pages 31–130):
Chapter five decision of Flammable Mass (pages 131–167):
Chapter 6 evaluate of comparable desktop courses (pages 169–181):
Chapter 7 labored Examples (pages 183–203):
Chapter eight innovations for destiny paintings (pages 205–207):

Show description

Read or Download Estimating the Flammable Mass of a Vapor Cloud: A CCPS Concept Book PDF

Best chemical engineering books

Piping Calculations Manual

This on-the-job source is full of the entire formulation, calculations, and useful advice essential to easily circulation gasoline or drinks via pipes, determine the feasibility of bettering current pipeline functionality, or layout new platforms. Contents: Water structures Piping * fireplace security Piping structures * Steam structures Piping * development companies Piping * Oil structures Piping * gasoline platforms Piping * method structures Piping * Cryogenic structures Piping * Refrigeration platforms Piping * dangerous Piping platforms * Slurry and Sludge structures Piping * Wastewater and Stormwater Piping * Plumbing and Piping platforms * Ash dealing with Piping platforms * Compressed Air Piping platforms * Compressed Gases and Vacuum Piping structures * gas gasoline Distribution Piping platforms

Annual Plant Reviews, Plant Polysaccharides: Biosynthesis and Bioengineering (Volume 41)

Plant Polysaccharides, a great new quantity in Wiley-Blackwell’s winning Annual Plant experiences sequence, covers the polysaccharides and proteins that shape the elemental structure of the plant mobile wall, and the genes that encode the mobile equipment that synthesizes them. the quantity makes a speciality of the evolution of the numerous households of genes whose items are required to make a selected type of polysaccharide, bringing cognizance to the explicit biochemical houses of the proteins to the extent of different types of sugar linkages they make.

Characterization of Liquids, Nano- and Microparticulates, and Porous Bodies Using Ultrasound

Keyword phrases outline the scope of this publication: 'ultrasound' and 'colloids'. traditionally, there was little genuine conversation among practitioners in those fields. even if there's a huge physique of literature dedicated to ultrasound phenomenon in colloids, there's little popularity that such phenomena could be of actual significance for either the improvement and functions of colloid technological know-how.

Extra info for Estimating the Flammable Mass of a Vapor Cloud: A CCPS Concept Book

Sample text

85. , 1980). 1 are unconfirmed by other researchers. 1 proposes that higher values of CDapply only with jagged petals pointing outward. The important variables to know are PO, CD, and A . Subcooled liquid blowdown solutions are given for various tank geometries by Sommerfield (1990). 828 "Theoretically justified and observed value for nozzle or orifice. UPJI = Uniform petals jagged in UPJO = Uniform petals jagged out RPJI = Random petals jagged in Source: Dodge et al. (1980). 34 4. BASIC CONCEPTS-FLUID FLOW, FIRES, AND EXPLOSIONS Example 1.

Some steps can be done without a computer program or to verify a computer program. For these steps, equations are listed without derivation but with example calculations. Other steps are impractical without a computer program. This book provides our best guidance based on knowledge to date, and acknowledges what is not yet well known. An objective is to concisely lay out methods to calculate the characteristics of a flammable vapor cloud needed as inputs to fire and explosion models. These inc1u de Discharge rate and phase mass fractions Dispersion and turbulence Flammability properties Ignition probability Degree of congestion and confinement Mass fraction of flammable cloud affected by congested/confined portions of the plant.

The user may want to select among the wide-ranging menu of background topics covered in Chapter 4. Chapter 4 provides usable methods to calculate discharge rates, aerosol drop size, rainout, and reevaporation to generate the source rate for a vapor cloud. It also reviews the principle factors affecting dispersion and ignition of the cloud. This discussion includes how turbulence affects ignition probability and flame acceleration. To put the calculation of flammable mass in context, this chapter reviews concepts of flammability and explosions treated in depth elsewhere: flammability limits, ignition energy, autoignition temperature, flash point, flame speed.

Download PDF sample

Rated 4.75 of 5 – based on 3 votes