6926475958

ported in the literaturę. The teit jpecimen* include humen cedevers, living humen volunteers. and living and dead swine.

MECHANICAL COMPONENTS

ABSORBERS AND ISOLATORS

(AIsoseeNo. 1872)

84-1637

Mathemitkil Model of the Humań Thorax When Subjeeted to Frontal Impact During an Automobile Crash

K.H. Digges

Oxford Univ.. UK, Rept. No. OUEL-1454/83. 40 pp (Mar 1983)

PB84-137173

Key Words: Collision research (automotive), Impact tests, Humań responje, Mat hem* tkał modeli

The purpote of thii report ii to document a model of the humen thorax in an automobile craih which ha* been u sad on a VAX-2 Computer and to preaent some typkal results produced by the model. The modei uses phyiical para met er* ba»ed upon test* raported in the literatura. Tests to deyetop the characteristics of the humen thorax have been reported. The present report summerizes tests of automobile* to determine the engineering pro partie* of vehkle interior. These test results, elong with crash tests of compfete vehicle*_f ara used to model the vehicte interior and the crash accelera-tion pulse of the vehicle.

84-1638

Effecta of Re*r Seat Paseengera on Front Seat Occu* pan ta in Frontal Impacta

A. K. Roberts

Transport and Road Res. Lab., Crowthorne, UK, Rept. No. TRRL/LR-1079. 30 pp (1983)

PB84-137991

Key Words: Collision research (automotive), Impact tests, Humen response

This report descrtoes a serie* of 60 km/hr frontal impact tests carried out (n an estate car body sheil on the TRRC impact test rig. The aim of the study mis to determine the effect of a reer unrestrained adult paseenger on a re-strained front seat occu pa nt and to estimete the megnitude of any effect. The importance of occupant restraint is daarły demonstrated.

84-1639

Energy Transformation by Paasenger Cara During Frontal Colliaiona (Energieumaetzung von Peraonett-kraftwagen beim Frontalaufprali)

M. Rauser and M. Grossmann

Automobiltech. Z., 85 (9), pp 553-559 (Sept 1983)

9 figs. 10 refs

(In German)

Key Words: Energy absorption, Collision resaarch (automo-tive)

In order to obtain a quantitative deseription of the energy absorbed by vehicles with front anginę* and rear-wheel drive during a frontal crash, tests were performad at a resaarch and development center using production cars, modified vehicłes and subassemblies. According to the energy balance obtained by means of a two-mass modei, the kinetic energy relaased during a frontal collision at 50 km/h Is absorbed by the front structura (79%), by the drive unit (12%). and by the tka wali (9%). Th* energy absorbed by the front struc-ture is distrft>uted as folłows: 72% by the longitudinal mam-bers, 23% by the wheelhousings, and 5% by the fenders. Based on these findings, crurft tests can be performad with body subassemblies in order to determine the respeetły* energy absorption capocities to be expectad during a dynamie crash and thus to giv* approximete consideration to occu pa nt protection at a very aarly stage of body deyalop-ment.

84-1640

Tunable Dam per for an Acouatk Wave Guide

S.C. Rogers

Dept. of Energy. Washington, DC, U.S. Patent Application No. 6-435 797, 14 pp (Oct 1982)

DE83018015

Key Words: Dynamie yibration absorption (equipment), Sound waves, Waveguide analysis

A damper for tunably dam ping acoustic waves in an ultra-sonie wayeguide is provided which may be usad in a hostile environment such as a nuclear reactor. The araa of the