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銆愬寲宸ヤ豢鐪熴€戝姛鐜囧潯閬撶殑涓夌淮鐑寲瀛﹀姏瀛︽ā鎷熶娇鐢ㄧ倲閱囩噧鏂欎唬鐮�

   鏃ユ湡锛�2024-01-27 09:30:00     鏉ユ簮锛氱綉缁滄暣鐞�    浣滆€咃細鏈珯缂栬緫    娴忚锛�19    璇勮锛�0    

鍔熺巼鍧¢亾鐨勪笁缁寸儹鍖栧鍔涘妯℃嫙浣跨敤鐐旈唶鐕冩枡浠g爜

3D THERMO-CHEMICAL-MECHANICAL SIMULATION OF POWER RAMPS聽WITH ALCYONE FUEL CODE

B.BAURENS,J.SERCOMBE,C.RIGLET-MARTIAL,L. DESGRANGES,

CEA锛�DEN,DEC/SESC锛�L.TROTIGNONCEA锛�DEN,DTN/STRl ,P.MAUGIS

鍥�1:ALCYONE涓夌淮鏂规涓殑缃戞牸鍜屽姏瀛﹁竟鐣屾潯浠�(宸�)銆傚浘鐗囪鏄庤绠楀皬鐞冪儹娌欐紡涓庢墍璋撶殑涓夐噸鐐圭殑浣嶇疆(鍙�)銆�

鎽樿锛氭湰鏂囦粙缁嶄簡鐕冩枡鎬ц兘浠g爜ALCYONE涓庣儹鍖栧浠g爜ANGE鐨勮€﹀悎鍙婂叾鍦ㄦ隘搴斿姏鑵愯殌寮€瑁�(l-SCC)涓殑搴旂敤銆傞€氳繃鍔熺巼鏂滃潯鐨勪笁缁翠豢鐪熻鏄庝簡杩欑鑰﹀悎銆傜爺绌朵簡鍖栧娲绘€ф皵浣�(Cslg)銆乀ex(1<x<7)g)銆乀el2g)銆乴g (l2g)....)鐨勯噴鏀俱€傝绠楀緱鍒扮殑纰樸€侀摨銆佺⒉鍜屾儼鎬ц鍙樻皵浣撳湪鍔熺巼鏂滃潯鍓嶅悗鍦ㄧ悆鍥㈢鐗囦腑鐨勫緞鍚戝垎甯冩垚鍔熷湴涓庝簩娆on璐ㄨ氨(SIMS)娴嬮噺缁撴灉杩涜浜嗘瘮杈冦€傚湪涓夌淮妯℃嫙鐨勫熀纭€涓婏紝璁ㄨ浜嗗簲鍔涜厫铓€璧疯鍒ゆ嵁鐨勫畾涔夈€�

Abstract锛�This paper presents the coupling of the fuel performance code ALCYONE with the thermochemical code ANGE and its application to iodine- Stress Corrosion Cracking (l-SCC).The coupling is illustrated by a 3D simulation of a power ramp. The release of chemically active gases (Csl(g))锛孴ex(1<x<7)(g),Tel2(g)锛宭(g);l2(g)鈥�.) is studied. The calculated radial distributions of iodine , caesium, tellurium and inert fission gas in the pellet fragment before and after the power ramp are successfully compared to Secondary lon Mass Spectrometry (SIMS) measurements. Based on the 3D simulation, the definition of a stress corrosion initiation criterion is discussed.


璁烘枃鐩稿叧闂

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END


鏉�婧愶細https://doi.org/10.1038/s41534-021-00416-z

缂栬緫锛氬紶鍨� 鍒樺▍聽

鏍″锛氭湵鑼滈仴聽 鍐夌編鐜� 鍒樺▍

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