强激光与粒子束2026,Vol.38Issue(4):39-56,18.DOI:10.11884/HPLPB202638.250346
惯性约束聚变中黑腔能量亏损问题研究进展
Research progress on hohlraum energy deficit in inertial confinement fusion
摘要
Abstract
In indirect-drive laser inertial confinement fusion(ICF),the precise calculation of X-ray drive intensity at the capsule is crucial for accurately predicting the implosion performance of deuterium-tritium fuel capsules.Achieving this requires detailed radiation-hydrodynamic simulations that accurately capture processes such as laser-to-X-ray conversion and X-ray absorption losses at the hohlraum walls.However,since the inception of the National Ignition Campaign at the National Ignition Facility(NIF),radiation-hydrodynamic simulations have consistently overestimated the experimentally measured X-ray drive flux intensity at the capsule,reflecting the widespread presence of hohlraum energy deficits.Although extensive experimental studies have been conducted at NIF along with continuous optimization of its radiation-hydrodynamic simulation models,the challenging issue of hohlraum energy deficit remains unresolved,constituting one of the critical barriers to achieving high-gain inertial confinement fusion.This paper systematically reviews the critical research developments regarding hohlraum energy deficit at NIF and introduces the methods adopted by NIF and China for characterizing the X-ray radiation flux intensity at the capsule.关键词
惯性约束聚变/黑腔/能量亏损/辐射流/研究进展Key words
inertial confinement fusion/hohlraum/energy deficit/radiation flux/research progress分类
数理科学引用本文复制引用
秦雪龙,李志超,赵航,李琦,潘凯强,刘耀远,李三伟,张璐,杨冬,龚韬..惯性约束聚变中黑腔能量亏损问题研究进展[J].强激光与粒子束,2026,38(4):39-56,18.基金项目
国家自然科学基金项目(12105270、12205272、12205274、12275251、12305262) (12105270、12205272、12205274、12275251、12305262)
等离子体物理全国重点实验室基金项目(6142A04230103) (6142A04230103)