Standard Swedish standard · SS-ISO 18213-5:2008

Nuclear fuel technology - Tank calibration and volume determination for nuclear materials accountancy - Part 5: Accurate determination of liquid height in accountancy tanks equipped with dip tubes, fast bubbling rate (ISO 18213-5:2008, IDT)

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Standard Swedish standard · SS-ISO 18213-5:2008

Nuclear fuel technology - Tank calibration and volume determination for nuclear materials accountancy - Part 5: Accurate determination of liquid height in accountancy tanks equipped with dip tubes, fast bubbling rate (ISO 18213-5:2008, IDT)
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Scope
This part of ISO 18213 specifies a procedure for making accurate determinations of liquid height in nuclear-materials-accountancy tanks that are equipped with pneumatic systems for determining the liquid content. With such systems, gas is forced through a probe (dip tube) whose tip is submerged in the tank liquid. The pressure required to induce bubbling is measured with a manometer located at some distance from the tip of the probe. This procedure applies specifically when a fast bubbling rate is employed.
A series of liquid height determinations made with a liquid of known density is required to estimate a tank's calibration equation (see ISO 18213-1), the function that relates the elevation (height) of a point in the tank to an independent determination of tank volume associated with that point. For accountability purposes, the tank's measurement equation (the inverse of its calibration equation) is used to determine the volume of process liquid in the tank that corresponds to a given determination of liquid height.

Subjects

Fissile materials (27.120.30)


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Standard Swedish standard · SS-ISO 18213-5:2008

Nuclear fuel technology - Tank calibration and volume determination for nuclear materials accountancy - Part 5: Accurate determination of liquid height in accountancy tanks equipped with dip tubes, fast bubbling rate (ISO 18213-5:2008, IDT)
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Price: 875 SEK
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Product information

Language: English

Written by: Svenska institutet för standarder

International title:

Article no: STD-65676

Edition: 1

Approved: 3/31/2008

No of pages: 24