登入
選單
返回
Google圖書搜尋
The Relationship Between Selected Blast-wave Parameters and the Response of Mammals Exposed to Air Blast
Donald R. Richmond
Edward G. Damon
E. Royce Fletcher
I. Gerald Bowen
Clayton S. White
出版
Lovelace Foundation for Medical Education and Research
, 1966
URL
http://books.google.com.hk/books?id=_qDS6qe9fUgC&hl=&source=gbs_api
EBook
FULL_PUBLIC_DOMAIN
註釋
Ear injury was not systematically studied; however, data gleaned from lethality and lung-injury experiments indicated that: eardrum response to blast pressures is subject to wide variation; a duration effect was observed in sheep, with 38-per cent rupture recorded at 21.4 psi for durations near 100 msec versus no eardrum rupture at 32.4 psi when the durations were about 5 msec; and the severity of ear damage increased with the intensity of the blast. From the presented data, tentative estimations of man's response to "fast"--Rising pressures of 3-msec duration were compiled. Pressures for threshold and severe lung-hemorrhage levels were 30 to 40 and above 80 psi, respectively. The threshold for lethality was 100 to 120 psi with an LD-50 range of 130 to 180 psi. Time-honored estimates for human eardrum rupture values of 5 and 15 psi, respectively, for threshold and 50-per cent could not be revised at this time.
