A pressure vessel is protected by a thermal shield. Assuming for simplicity pure gamma radiation of 5.0 Mev /photon and 10 photon/sec.cm flux reaching the vessel ,calculate a)the thickness of an iron thermal shield that would reduce the above flux by 90% and b)the heat generated in the thermal shield in Btu/hr.ft Ignore secondary radiation and curvature of the shield

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A pressure vessel is protected by a thermal shield. Assuming for simplicity pure gamma radiation of 5.0 Mev /photon and 10 photon/sec.cm flux reaching the vessel ,calculate a)the thickness of an iron thermal shield that would reduce the above flux by 90% and b)the heat generated in the thermal shield in Btu/hr.ft Ignore secondary radiation and curvature of the shield.
Q2 / A pressure vessel is protected by a thermal shield. Assuming for
simplicity pure gamma radiation of 5.0 Mev /photon and 104
photon/sec.cm flux reaching the vessel ,calculate a)the thickness of an
iron thermal shield that would reduce the above flux by 90% and b)the
heat generated in the thermal shield in Btu/hr.ft .Ignore secondary
radiation and curvature of the shield.
Transcribed Image Text:Q2 / A pressure vessel is protected by a thermal shield. Assuming for simplicity pure gamma radiation of 5.0 Mev /photon and 104 photon/sec.cm flux reaching the vessel ,calculate a)the thickness of an iron thermal shield that would reduce the above flux by 90% and b)the heat generated in the thermal shield in Btu/hr.ft .Ignore secondary radiation and curvature of the shield.
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