In the development of side-impact safety performance in automobiles,the injury conditions of far-side occupants have gradually been incorporated into the evaluation system of automotive safety in China.This study,base...In the development of side-impact safety performance in automobiles,the injury conditions of far-side occupants have gradually been incorporated into the evaluation system of automotive safety in China.This study,based on three side-impact conditions in the Chinese automotive safety assessment system,employs the finite element method to analyze the injury and motion characteristics of far-side occupants under various impact scenarios.The results indicate that in the C-NCAP 75°POLE condition,certain impact areas of the far-side dummy sustain more severe injuries.These findings provide data references for the development of safety performance measures aimed at protecting far-side occupants.展开更多
The Low-Frequency Radio Spectrometer(LFRS)is a scientific payload onboard the Chang’e-4 lunar lander launched in December 2018.The LFRS provides in-situ measurements of the low-frequency radio phenomena on the far-si...The Low-Frequency Radio Spectrometer(LFRS)is a scientific payload onboard the Chang’e-4 lunar lander launched in December 2018.The LFRS provides in-situ measurements of the low-frequency radio phenomena on the far-side of theMoon for the first time in human history.To evaluate the performance of the LFRS,a series of ground experiments are conducted using an engineering model of the LFRS.It is not easy to perform the experiments because the Electro Magnetic Interference(EMI)from the Chang’e-4 lunar lander itself and the environment is very intense.The results after EMI mitigation show that the sensitivity of the LFRS may be 10^(−18)W m^(−2)Hz^(−1).展开更多
文摘In the development of side-impact safety performance in automobiles,the injury conditions of far-side occupants have gradually been incorporated into the evaluation system of automotive safety in China.This study,based on three side-impact conditions in the Chinese automotive safety assessment system,employs the finite element method to analyze the injury and motion characteristics of far-side occupants under various impact scenarios.The results indicate that in the C-NCAP 75°POLE condition,certain impact areas of the far-side dummy sustain more severe injuries.These findings provide data references for the development of safety performance measures aimed at protecting far-side occupants.
基金This work was funded by the Youth Innovation Promotion Association of Chinese Academy of Sciences(CAS)(Grant No.2015334)' the National Natural Science Foundation of China(Grant No.11941002)。
文摘The Low-Frequency Radio Spectrometer(LFRS)is a scientific payload onboard the Chang’e-4 lunar lander launched in December 2018.The LFRS provides in-situ measurements of the low-frequency radio phenomena on the far-side of theMoon for the first time in human history.To evaluate the performance of the LFRS,a series of ground experiments are conducted using an engineering model of the LFRS.It is not easy to perform the experiments because the Electro Magnetic Interference(EMI)from the Chang’e-4 lunar lander itself and the environment is very intense.The results after EMI mitigation show that the sensitivity of the LFRS may be 10^(−18)W m^(−2)Hz^(−1).
