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1 PRESLHY Meeting, September 18, 2018, HSL, Buxton, UK Pre-normative REsearch for Safe use of Liquid HYdrogen Survey of RCS and Best Practices for Liquid Hydrogen HSL, Sept 18, 2018 HySafe (Andrei V. Tchouvelev)

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Page 1: Survey of RCS and Best Practices for Liquid Hydrogen · SANDIA REPORT: Safety, Codes and Standards for Hydrogen Installations: Hydrogen ... 10 PRESLHY Meeting, September 18, 2018,

1 PRESLHY Meeting, September 18, 2018, HSL, Buxton, UK

Pre-normative REsearch for Safe use of Liquid HYdrogen

Survey of RCS and Best Practices for Liquid Hydrogen HSL, Sept 18, 2018 HySafe (Andrei V. Tchouvelev)

Page 2: Survey of RCS and Best Practices for Liquid Hydrogen · SANDIA REPORT: Safety, Codes and Standards for Hydrogen Installations: Hydrogen ... 10 PRESLHY Meeting, September 18, 2018,

2 PRESLHY Meeting, September 18, 2018, HSL, Buxton, UK

ContentI. Recommended RCS Priority Topics

i. Visuals II. NFPA2 and EIGA Separation DistancesIII. Examples of Potential Case StudiesIV.ISO/TC 197 LH2 PWI

Page 3: Survey of RCS and Best Practices for Liquid Hydrogen · SANDIA REPORT: Safety, Codes and Standards for Hydrogen Installations: Hydrogen ... 10 PRESLHY Meeting, September 18, 2018,

3 PRESLHY Meeting, September 18, 2018, HSL, Buxton, UK

Recommended RCS Priority Topics

Safety / separation distances: Cold gas venting (delayed ignition, thermal) Pool fire (thermal) Solid air / oxygen effect (over pressure)

Hazardous areas: Should they be different than for GH2?

Vent stacks design for cold gas venting: Orientation, pipe diameter, elevation

LH2 transport and transfer: Spill control / prevention Spill mitigation (e.g. prevention of pooling)

Page 4: Survey of RCS and Best Practices for Liquid Hydrogen · SANDIA REPORT: Safety, Codes and Standards for Hydrogen Installations: Hydrogen ... 10 PRESLHY Meeting, September 18, 2018,

4 PRESLHY Meeting, September 18, 2018, HSL, Buxton, UK

Visuals for RCS Priority Topics

Page 5: Survey of RCS and Best Practices for Liquid Hydrogen · SANDIA REPORT: Safety, Codes and Standards for Hydrogen Installations: Hydrogen ... 10 PRESLHY Meeting, September 18, 2018,

5 PRESLHY Meeting, September 18, 2018, HSL, Buxton, UK 5

NFPA2:2016 LH2 Separation Distances

Do these numbers make sense?What are correct criteria / methodology?

Page 6: Survey of RCS and Best Practices for Liquid Hydrogen · SANDIA REPORT: Safety, Codes and Standards for Hydrogen Installations: Hydrogen ... 10 PRESLHY Meeting, September 18, 2018,

6 PRESLHY Meeting, September 18, 2018, HSL, Buxton, UK

EIGA Code of Practice for LH2

Page 7: Survey of RCS and Best Practices for Liquid Hydrogen · SANDIA REPORT: Safety, Codes and Standards for Hydrogen Installations: Hydrogen ... 10 PRESLHY Meeting, September 18, 2018,

7 PRESLHY Meeting, September 18, 2018, HSL, Buxton, UK

Visuals for LH2 Separation Distances

Page 8: Survey of RCS and Best Practices for Liquid Hydrogen · SANDIA REPORT: Safety, Codes and Standards for Hydrogen Installations: Hydrogen ... 10 PRESLHY Meeting, September 18, 2018,

8 PRESLHY Meeting, September 18, 2018, HSL, Buxton, UK8

Example of Potential Case Study

Source:Hydrogen Technologies Safety Guide C. Rivkin, R. Burgess, and W. Buttner National Renewable Energy Laboratory January 2015

Objective: Determine reasonable hazard distances for LH2

EIGA DOC 06/02/E

Page 9: Survey of RCS and Best Practices for Liquid Hydrogen · SANDIA REPORT: Safety, Codes and Standards for Hydrogen Installations: Hydrogen ... 10 PRESLHY Meeting, September 18, 2018,

9 PRESLHY Meeting, September 18, 2018, HSL, Buxton, UK

Example of Potential Case Study

Objective: Determine reasonable hazard distances for LH2

Source – SANDIA REPORT:Safety, Codes and Standards for Hydrogen Installations: Hydrogen Fueling System Footprint Metric DevelopmentA.P. Harris, Daniel E. Dedrick, Chris LaFleur, Chris San Marchi, Apr 2014

Page 10: Survey of RCS and Best Practices for Liquid Hydrogen · SANDIA REPORT: Safety, Codes and Standards for Hydrogen Installations: Hydrogen ... 10 PRESLHY Meeting, September 18, 2018,

10 PRESLHY Meeting, September 18, 2018, HSL, Buxton, UK 10

Project Stages for ISO Standards Development

Page 11: Survey of RCS and Best Practices for Liquid Hydrogen · SANDIA REPORT: Safety, Codes and Standards for Hydrogen Installations: Hydrogen ... 10 PRESLHY Meeting, September 18, 2018,

11 PRESLHY Meeting, September 18, 2018, HSL, Buxton, UK 11

PWI Stage for ISO Standards Development

An LH2 PWI can be approved on Dec 6, 2018 at ISO/TC 197 plenary meeting in Vancouver

Page 12: Survey of RCS and Best Practices for Liquid Hydrogen · SANDIA REPORT: Safety, Codes and Standards for Hydrogen Installations: Hydrogen ... 10 PRESLHY Meeting, September 18, 2018,

12 PRESLHY Meeting, September 18, 2018, HSL, Buxton, UK 12

Questions / comments welcome!

THANK YOU FOR YOUR ATTENTION!

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