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Chemical Process Safety Newsletter
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Chemical Process Safety Newsletter

Issue Date
File Size
Spring 2008 -
Vol. 15 No. 2
*FAI is plesaed to
  
represent ChemiSens in
  
North America
 
* Non-Equilibrium Saturated
   and Subcooled Flashing Flows
* Using Calculated Adiabatic
   Flame Temperatures to Assist in
  Flammability Envelope Prediction
*Calculate Characteristic Time to
   Runaway
*Interview with Prof Jan Wagner
   from Oklahoma State University
(1,833 Kb)
Winter 2008 -
Vol. 15 No. 1
Deflagration Venting -
   NFPA 68 2007 Edition
 

* Application of the Integral
   Method to Waterhammer
   Transient in a Pipe Line with
   Entrapped Air
* Updated Version of the ARSST
   Software, Version 4.4
*VSP Users Forum - New Test
   Cell
*Chem-E-Car Competition

(2,625 Kb)
Fall 2007 -
Vol. 14 No. 4
A Data
   Interpretation Exercise
   -50% DTBP in Toluene   
 

* U.S. CSB Video Review -
   Reactive Hazards: Dangers of
   Uncontrolled Chemical
   Reactions
* Testing Hazards of Novel Dusts
* Reduce Version 2.0.5
  Software Release
* Interview with Prof.
   David Murhammer,
   The U. of Iowa

(1,487 Kb)
Summer 2007 -
Vol. 14 No. 3

Using the ARSST to
   Study Nitration
   Reactions   
 


* Venting of Highly Energetic
   Gassy Systems

* Evaporation Rates from
   Flammable Liquid Spills
   Indoors and Ventilation
Rates
 
for Controlling Flammable Vapor
  

(654 Kb)
Spring 2007 -
Vol. 14 No. 2

Closed Cell ARSST Testing   
 


* Dust Explosion
   Characterization and

   Hazard Assessment, Part 2
* Primary Dust Explosion
   Strength Required to Initiate

   Secondary Dust Explosion
* A Generalized Deflagration
   Vent Sizing Formula

  

 

(2,215 Kb)
Winter 2007 -
Vol. 14 No. 1

Available ARSST   
   Test Cells
Determine Incubation   
   Time to Runaway
   for Acrylic Monomers
First Order Rate   
   Constant Evaluation


* Determination of
  TSADTfor Self-   
   Reactive Substances:
   Reactant Shape

  Sensitivity
* Dust Explosion
   Characterization and

   Hazard Assessment

(1,355 Kb)
Fall 2006 -
Vol. 13 No. 4

Adiabatic Hold Testing   
   Using the ARSST
Surge Volume   
   Containment for
   High Pressure Tests


* Predicting Deflagration
   Pressure Rise Starting   
   From Elevated Pressure
   and Temperature
* Thrust Force Calculations
   for Two-Phase Flows

(1,274 Kb)
Summer 2006 -
Vol. 13 No. 3

Accommodate Gassy
   Systems in Closed VSP
   Tests


* Closed Cell ARSST Testing
* Too Phazed by Two-Phase
   Flow: Make Direct Use of   
   Single Phase Flow Information
* VSP2 Update: New Software
   Release

(1,984 Kb)
Spring 2006 -
Vol. 13 No. 2
NONE

* High-Momentum Volatile
   Liquid Release: Flammable
   Mass and Combustion Over-
   pressure
* Simple Two-Phase Hybrid
   Vent Model
  

(584 Kb)
Winter 2006 -
Vol. 13 No. 1
Solids Testing in
   the ARSST
  
* FATE 2.0: Facility Flow,
   Aerosol,Thermal, and
   Explosion Model
* Development of Check
   Valve Characteristic
   Curves with TREMOLO 3
   Dynamic Check Valve
   Model
* Revisiting DIERS Two-
   Phase Methodology
   Twenty Years Later:
   Reactive Hybrid Systems
  
(989 Kb)
Fall 2005 -
Vol. 12 No. 3

Comparison of
   ARSST and VSP2
   (Glass Test Cells
   with H202)

* New Software Release
   for the Advanced
   Reactive System
   Screening Tool (ARSST)
* Revisiting DIERS Two-
   Phase Methodology
   Twenty Years Later:
   Reactive Gassy Systems
  
(1,172 Kb)
Summer 2005 -
Vol. 12 No. 2
*Closed Cell Battery
   Tests
* Reduction of Organic
   (Hydrogenation
   Reaction)
* FTAI (Fast Thermal Activity
   Interpreter) Update
* Revisiting DIERS Two-Phase
   Methodology Twenty Years
   Later: Reactive Vapor
   Systems
(886 Kb)
Spring 2005 -
Vol. 12 No. 1
* Isothermal VSP2
   Tests   to Quantify
   Gas Generation
* Fire Exposure Vent Sizing:
   Liquid-Full Vessels with
   Non-Foamy Systems
* Tools for Assessing Hydrogen
   Peroxide (HP) Stability and
   Storage Vents
(625 Kb)

Fall 2004 -
Vol. 11 No. 2

NONE
* Entrainment of
   Contaminated Material
   During Venting
* Gassy System Vent Sizing -
   The Role of Two-Phase
   Flow
(615 Kb)

Spring/Summer 2004 -
Vol. 11 No. 1

* Heat of Mixing
   in ARSST™

* Software for Reactivity
   Management
* Fast Thermal Activity   
   Interpreter (FTAI) for
   Controlling Chemical
   Reaction Hazards
(610 Kb)

Summer 2003 -
Vol. 10 No. 2
 

* Emulsion
   Polymerization in
   VSP2™
* Generalized Vent Sizing
   Equation for Reactive
   Systems
* Correlation of Numerical
   Solutions for Compressible
   Gas Flow through a Pipe
   Fed by an  Orifice.
(780 Kb)

Spring 2003 -
Vol. 10 No. 1

* Controlled Liquid
    Addition 
* Hand Calculation
   Methodology for
   Assessing Two-Phase 
   Flow Blowdown Rates
* Vapor and Dust
   Deflagration for Sonic and
   Subsonic Venting
(750 Kb)

Fall 2002 -
Vol. 9 No. 2

NONE * Easy Vent Sizing
   Techniques or Low
   Pressure Vapor and 
   Dust Deflagration
   Scenarios
* Certify Pressure Relief
   Valves in Two-Phase Flow
   Service
(1.55 Mb)
Spring 2002 -
Vol. 9 No. 1
* Fast Data
   Acquisition in
   VSP™ test cell -  
   Plumbing and
   Instrumentation 
* PRV Sizing Including 3%
   (Inlet) and 10% (Outlet)
   Rules
* Operation of Reflux 
   Condensers and
   Flooding Limitations
(2.03 Mb)

Fall 2001

* Safe Test Design
* Instructions for
   High Pressure
   Piston 

 

 

* Vent sizing for
   Propagating Vapor Phase
   Reactions
* Eliminate Oversizing -
   Vent Well Below Design
   Pressure
* Two-Phase Flashing Flow
   vs.Compressible Gas Pipe
   Flow

(2.01 Mb)

 

 

Winter 2001

* Deodorizaiton of
   Stench Gases

* 10 m3 Hybrid Runaway
   - Flooding Limitation for 
   Reflux Condensers
* Prevent BLEVE's
* Isothermal VSP2 Testing
   Characterizes Gassy
   Decomposition in
   Dilute Peroxide Solutions

(2.55 Mb)

Spring 2000

*Remove Inhibitor
   from 1, 3 Butadiene
* ARSST™
   Description
* Simple Vent Sizing
   Methodology (Feb 2000
   CEP)
* Determine Self-
   Accelerating Decomposition
   Temperature, TSADT
* Explosive Hazards Analysis
* Updated Reactive System
   Classification and Vent 
   Sizing Methodology
(2.78 Mb)

Fall / Winter 1999 

* Enhanced
   Magnetic
   Stirring
   Capability
* Choosing the
    Appropriate Test
   Cell
* Vent Sizing for Fire
   Emergencies
* Quantitative Risk
   Assessment
* Preventing Runaway
   Reactions
(2.05 Mb)

Summer 1999 

* Process Safety
   Program at the 
   University of
   Iowa
* VSP2™
   Application: 
   Pressure
   Regulated
  Open System to
   Determine
   Tempering
* Screen Minimum
   Requirements 
   for Reactive Chemical
   Systems
* Relief Device
   Documentation
* Emergency Vent Sizing
   for Internal Vapor
   Deflagration
(2.07 Mb)

Winter / Spring 1999 

* Open Tests with 
   Corrosive
   Chemicals
* VSP2™
   Applications:
   - "Super   
   Stirring"  - Cold
   Temperature
   Testing (below
   RT)- Dual 1/16"
   Fill Lines-
   External Cooling
   Coil

* 10 m3 Runaway Reaction
   Confirms DIERS (FAI)
   Simplified Vent Sizing
   Methodology
* Easily Determine the Self
   Accelerating Decomposition
   Temperature,
TSADT

(2.66 Mb)

Summer 1998   

* "RSST Serves
   Education, Too!"
   by Matt Cline
* Flow Regime Characterization
   During Emergency Relief
* Depressureization Test
   Techniques and Equipment
   Using the VSP2
* ASME Code Section VIII
  Changes for 1998
   Deflagration
(1.6 Mb)

Spring 1998 

* Modification of a VSP
   Test Cell with Gas
   Distribution Plate

* Successful Rupture Disk
   Installation
* RSST Provides Pressure
   Relief Requirements for
   Organic Peroxides

(4.55 Mb)

Fall/Winter
1997 

* Chlorine Experience * RSST Provides Interpretation
   of the Chemical Explosion at
   the Hanford Site
* Modeling Liquid Rainout
   from Superheated Jet
   Releases
* "Flametec"
(4.25 Mb)

Summer 1997 

NONE

* Advantages of On-Site Testing
* Direct Contact Condensation
   Including the Presence of
   Noncondensables
* Mechanical Stirring can
   Make a Difference
* Simple Guidelines for
   Estimating Flashing Flows 
    

(5.32 Mb)

Spring 1997 

* Utility of Pressure
   Relief Valve
   Simuilation using
   the VSP2 apparatus

* Large Scale Containment
   System Evlaluation
* New VSP2 Constant Guard
   Temperature Software Useful
   for SADT Testing
*Upcoming Chemical Process
   Relief Systems Design
    Seminar
* Advanced Demo/Workshop

(4.42 Mb)

Winter 1996  

NONE

* Easy to Use Formulas Allow
   You to Quickly Screen and
   Assess the Adequacy of Your
    Emergency Relief Systems
* An IMprovedf Procedure for
   Vapor Sysem Vent Sizing
   Using RSST Data
* Runaway Reaction Character-
   zation and Vent Sizing Based
    on DIERS Methodology
* DIERS Users Group Vent
   Sizing Design Problem

(3.08 Mb)

Spring/Summer
1996  

NONE

* Specialized RSST System
   for Propagation Testing
* SACHE Workshop help for
   University Professors
    

(3.81Mb)

Summer 1995 

NONE

* FAI Introduces VSP2
* VSSPH, Vent Sizing Software
   Program for Hybrid Systems
* Runaway Reaction Character-
   ization Based on DIERS
  Methodocloogy
* Flame Spreading on Shallow
  Fuel Layers

(4.1 Mb)

Spring 1995  

NONE

* RSST Version 1.91: "Heat
  and Hold"
* Flammability Testing
* Generalized Compartment
   Analyzer
* VSSP, Version 2.0

(3.53Mb)

Winter 1994 

NONE
  
  
  
  
   
  
  
  
  

* Sizing Safety Relief Valves
   for Flashing Liquid
* Flammability Testing
* RSST Version1.9
* Dust Explosion Testing"
* Why Choose FAI?
* Pool Fires

(2.93 Mb)


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