21 fresh fuel rods, unirradiated, Inconel spacers Steam, He 1.9 to 0.5/0.7 Slow cooling in helium
SCDAP/RELAP5, MELCOR and ICARE2
France
References: Gonnier C et al., "PHEBUS Severe Fuel Damage Programme. Main Results", ANS Int. Meeting on Safety of Thermal Reactors, Portland, USA, July 1991; Grandjean C et al., "Preliminary Specifications for the ISP 28" - IPSN/CEA Report PHEBUS CSD 112/90, March 1990; Adroguer B et al., "International Standard Problem 28: PHEBUS SFD B9+ Experiment on the Degradation of a PWR Core Type - Comparison Report. Vol. 1 and Vol. 2" - OECD/NEA/CSNI/R(92)17, December 1992; Adroguer B et al., "Analysis of the Fuel Cladding Chemical Interaction in PHEBUS SFD Tests using ICARE2 Code", IAEA Tech. Committee Meeting, Aix-en-Provence, France, March 1992 IP/Copyright Situation: To be Checked
As B9 Steam, He 2.0 to 0.5/0.7 Slow cooling in helium
SCDAP/RELAP5, MELCOR and ICARE3
France
References: Gonnier C et al., "PHEBUS Severe Fuel Damage Programme. Main Results", ANS Int. Meeting on Safety of Thermal Reactors, Portland, USA, July 1991; Grandjean C et al., "Preliminary Specifications for the ISP 28" - IPSN/CEA Report PHEBUS CSD 112/90, March 1990; Adroguer B et al., "International Standard Problem 28: PHEBUS SFD B9+ Experiment on the Degradation of a PWR Core Type - Comparison Report. Vol. 1 and Vol. 2" - OECD/NEA/CSNI/R(92)17, December 1992; Adroguer B et al., "Analysis of the Fuel Cladding Chemical Interaction in PHEBUS SFD Tests using ICARE2 Code", IAEA Tech. Committee Meeting, Aix-en-Provence, France, March 1993 IP/Copyright Situation: To be Checked
References: Gonnier C et al., "PHEBUS Severe Fuel Damage Programme. Main Results", ANS Int. Meeting on Safety of Thermal Reactors, Portland, USA, July 1991; Grandjean C et al., "Preliminary Specifications for the ISP 28" - IPSN/CEA Report PHEBUS CSD 112/90, March 1990; Adroguer B et al., "International Standard Problem 28: PHEBUS SFD B9+ Experiment on the Degradation of a PWR Core Type - Comparison Report. Vol. 1 and Vol. 2" - OECD/NEA/CSNI/R(92)17, December 1992; Adroguer B et al., "Analysis of the Fuel Cladding Chemical Interaction in PHEBUS SFD Tests using ICARE2 Code", IAEA Tech. Committee Meeting, Aix-en-Provence, France, March 1994 IP/Copyright Situation: To be Checked
As B9 He, H2, steam (preheating in He,heat-up in pure H2) 3.5/0.1 Slow cooling in helium
SCDAP/RELAP5, MELCOR and ICARE5
France
References: Gonnier C et al., "PHEBUS Severe Fuel Damage Programme. Main Results", ANS Int. Meeting on Safety of Thermal Reactors, Portland, USA, July 1991; Grandjean C et al., "Preliminary Specifications for the ISP 28" - IPSN/CEA Report PHEBUS CSD 112/90, March 1990; Adroguer B et al., "International Standard Problem 28: PHEBUS SFD B9+ Experiment on the Degradation of a PWR Core Type - Comparison Report. Vol. 1 and Vol. 2" - OECD/NEA/CSNI/R(92)17, December 1992; Adroguer B et al., "Analysis of the Fuel Cladding Chemical Interaction in PHEBUS SFD Tests using ICARE2 Code", IAEA Tech. Committee Meeting, Aix-en-Provence, France, March 1995 IP/Copyright Situation: To be Checked
References: Gonnier C et al., "PHEBUS Severe Fuel Damage Programme. Main Results", ANS Int. Meeting on Safety of Thermal Reactors, Portland, USA, July 1991; Grandjean C et al., "Preliminary Specifications for the ISP 28" - IPSN/CEA Report PHEBUS CSD 112/90, March 1990; Adroguer B et al., "International Standard Problem 28: PHEBUS SFD B9+ Experiment on the Degradation of a PWR Core Type - Comparison Report. Vol. 1 and Vol. 2" - OECD/NEA/CSNI/R(92)17, December 1992; Adroguer B et al., "Analysis of the Fuel Cladding Chemical Interaction in PHEBUS SFD Tests using ICARE2 Code", IAEA Tech. Committee Meeting, Aix-en-Provence, France, March 1996 IP/Copyright Situation: To be Checked
References: Gonnier C et al., "PHEBUS Severe Fuel Damage Programme. Main Results", ANS Int. Meeting on Safety of Thermal Reactors, Portland, USA, July 1991; Grandjean C et al., "Preliminary Specifications for the ISP 28" - IPSN/CEA Report PHEBUS CSD 112/90, March 1990; Adroguer B et al., "International Standard Problem 28: PHEBUS SFD B9+ Experiment on the Degradation of a PWR Core Type - Comparison Report. Vol. 1 and Vol. 2" - OECD/NEA/CSNI/R(92)17, December 1992; Adroguer B et al., "Analysis of the Fuel Cladding Chemical Interaction in PHEBUS SFD Tests using ICARE2 Code", IAEA Tech. Committee Meeting, Aix-en-Provence, France, March 1997 IP/Copyright Situation: To be Checked
As B9, but central rod replaced by Ag/In/Cd control rod Steam, He 0.6/0.2 Slow cooling in helium
SCDAP/RELAP5, MELCOR and ICARE8
France
References: Gonnier C et al., "PHEBUS Severe Fuel Damage Programme. Main Results", ANS Int. Meeting on Safety of Thermal Reactors, Portland, USA, July 1991; Grandjean C et al., "Preliminary Specifications for the ISP 28" - IPSN/CEA Report PHEBUS CSD 112/90, March 1990; Adroguer B et al., "International Standard Problem 28: PHEBUS SFD B9+ Experiment on the Degradation of a PWR Core Type - Comparison Report. Vol. 1 and Vol. 2" - OECD/NEA/CSNI/R(92)17, December 1992; Adroguer B et al., "Analysis of the Fuel Cladding Chemical Interaction in PHEBUS SFD Tests using ICARE2 Code", IAEA Tech. Committee Meeting, Aix-en-Provence, France, March 1998 IP/Copyright Situation: To be Checked
Implemented as part of the Seaknot EU funded project (HORIZON-EURATOM-2021-NRT-01 under Grant Agreement No. 101060327) - WP2.6 UNIPI (2024-2026)