Sab nraud acoustic liftoff theem tau kwv yees rau NASA lub neej yav tom ntej lub tsheb nqa hnyav yuav tsum tau siab dua li ib puag ncig tsim los ntawm kev lag luam kev lag luam niaj hnub no.
Qhov no tsim ib qho kev xav tau los txhim kho kev txhim kho acoustic attenuation system rau yav tom ntej NASA payload fairings.
NASA Glenn Research Center tau pib qhov kev sim acoustic series los ua tus yam ntxwv ntawm acoustic kev ua tau zoo ntawm melamine ua npuas ncauj, nrog thiab tsis muaj ntau yam kev txhim kho acoustic. Qhov kev sim no tau suav tias yog NEMFAT, uas sawv cev rau NESC Enhanced Melamine Foam Acoustic Test, thiab yog lub ntsiab lus ntawm daim ntawv no.
Ob qho kev nqus thiab kev sib kis tsis tau kuaj ntawm ntau qhov kev teeb tsa ua npuas ncauj tau ua nyob rau ntawm Riverbank Acoustical Laboratory thaum Lub Xya Hli 2013. Cov ntaub ntawv xeem NEMFAT muab cov ntaub ntawv qhia txog tus cwj pwm acoustic thiab database ntawm melamine ua npuas ncauj rau NASA.
Vim tias nws qhov kev ua tau zoo ntawm cov suab nrov thiab sib zog sib zog ntawm cov pam vov fiberglass, melamine ua npuas ncauj tau raug txiav txim siab rau kev siv hauv cov tshuab acoustic attenuation ntawm NASA lub tsheb yav tom ntej.
Cov ntaub ntawv SINOYQX los ntawm http://ntrs.nasa.gov/search.jsp?R=20140008689.