radiant flux density [物] 辐射通量密度 ; 辐照度 ; 辐射能量密度
radiant flux test 辐射通量试验
spectral radiant flux [光] 光谱辐射通量
critical radiant flux 临界辐射通量
critical radiant flux test 临界辐射通量试验
luminous efficacy of radiant flux 视见函数 ; 光见度
radiant flux surface density 辐射通率面密度
radiant flux meter 辐射通量计
radiant flux measurement 辐射通量测量
The formulas of spectral radiant flux and background radiant flux are deduced.
给出了计算光谱辐射通量和背景辐射通量的计算公式。
The ignition temperature and ignition delay time decreased with the increasing radiant heat flux.
结果表明，随着辐射热能流率的增加，着火时间缩短，着火温度降低；
The paper describes the measuring technique of infrared radiant heat flux density reached the surface or absorbed by the surface of spacecraft during thermal balance test.
文章介绍了在航天器热平衡试验中到达航天器表面或被其吸收的红外辐射热流密度的测量技术。
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