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467 views
04:56 Apr-09-2009

Dao Huu Xuan

Other,
Vietnam,
Joined Feb 2007
18
Dose Rate for X-ray Generator

Hi all,
University of Glasgow is issue a calculation of Dose Rate for X-ray Generator as below:
X-rays produced by the bremstrahlung effect. Dose rate is dependent on:
• Z, Target material (atomic number)
• V, Applied tube voltage (kV)
• I, Tube current (mA)
• d, distance from the source (mm)
• Filtration?

Rule of thumb formula: (with 1 mm Be filter)
D = 670 ZVI/d2 mGy/s

Does any one have differ calculation?

 


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