Waste tank 241-SY-101 dome airspace and ventilation system response to a flammable gas plume burn

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Description

A series of flammable gas plume burn and transient pressure analyses have been completed for a nuclear waste tank (241-SY-101) and associated tank farm ventilation system at the U.S. Department of Energy`s Hanford facility. The subject analyses were performed to address issues concerning the effects of transient pressures resulting from igniting a small volume of concentrated flammable gas just released from the surface of the waste as a plume and before the flammable gas concentration could be reduced by mixing with the dome airspace by local convection and turbulent diffusion. Such a condition may exist as part of an in ... continued below

Physical Description

84 p.

Creation Information

Heard, F.J. November 1, 1995.

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This report is part of the collection entitled: Office of Scientific & Technical Information Technical Reports and was provided by UNT Libraries Government Documents Department to Digital Library, a digital repository hosted by the UNT Libraries. More information about this report can be viewed below.

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  • Westinghouse Hanford Company
    Publisher Info: Westinghouse Hanford Co., Richland, WA (United States)
    Place of Publication: Richland, Washington

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Description

A series of flammable gas plume burn and transient pressure analyses have been completed for a nuclear waste tank (241-SY-101) and associated tank farm ventilation system at the U.S. Department of Energy`s Hanford facility. The subject analyses were performed to address issues concerning the effects of transient pressures resulting from igniting a small volume of concentrated flammable gas just released from the surface of the waste as a plume and before the flammable gas concentration could be reduced by mixing with the dome airspace by local convection and turbulent diffusion. Such a condition may exist as part of an in progress episode gas release (EGR) or gas plume event. The analysis goal was to determine the volume of flammable gas that if burned within the dome airspace would result in a differential pressure, after propagating through the ventilation system, greater than the current High Efficiency Particulate Filter (HEPA) limit of 2.49 KPa (10 inches of water or 0. 36 psi). Such a pressure wave could rupture the tank ventilation system inlet and outlet HEPA filters leading to a potential release of contaminants to the environment

Physical Description

84 p.

Notes

INIS; OSTI as DE97052151

Source

  • Other Information: PBD: Nov 1995

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  • Other: DE97052151
  • Report No.: WHC-SD-WM-ER--515
  • Grant Number: AC06-96RL13200
  • DOI: 10.2172/464060 | External Link
  • Office of Scientific & Technical Information Report Number: 464060
  • Archival Resource Key: ark:/67531/metadc675150

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Creation Date

  • November 1, 1995

Added to The UNT Digital Library

  • July 25, 2015, 2:21 a.m.

Description Last Updated

  • June 14, 2016, 1:41 p.m.

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Citations, Rights, Re-Use

Heard, F.J. Waste tank 241-SY-101 dome airspace and ventilation system response to a flammable gas plume burn, report, November 1, 1995; Richland, Washington. (digital.library.unt.edu/ark:/67531/metadc675150/: accessed August 23, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.