Results 101 to 110 of about 90,200 (224)

Utilization of waste heat in trucks for increased fuel economy [PDF]

open access: yes
Improvements in fuel economy for a broad spectrum of truck engines and waste heat utilization concepts are evaluated and compared. The engines considered are the diesel, spark ignition, gas turbine, and Stirling.
Degrey, S. P.   +3 more
core   +1 more source

Flight support system mechanisms [PDF]

open access: yes, 1982
The Flight Support System (FSS) which contains twelve mechanisms (six different types) which are used for retention and positioning of a Multimission Modular Spacecraft (MMS) within the Space Shuttle's cargo bay during launch, retrieval, and servicing ...

core   +1 more source

Test results of the DOE/Sandia 17 meter VAWT [PDF]

open access: yes, 1979
A review is given of the test program of a 17 meter Vertical Axis Wind Turbine VAWT. Performance test results are discussed including difficulties encountered during the VAWT operation along with ways of solving these ...
Nellums, R. O., Worstell, M. H.
core   +1 more source

Development of aircraft brake materials [PDF]

open access: yes
The requirements of brake materials were outlined and a survey made to select materials to meet the needs of high temperature brakes. A number of metals and ceramic materials were selected and evaluated in sliding tests which simulated aircraft braking ...
Ho, T. L., Peterson, M. B.
core   +1 more source

The Safety Appliance Act and the FELA: A Plea for Clarification [PDF]

open access: yes, 1953
The aim of this thesis is to analyse and examine the debate on prenatal testing in Western countries, with a special focus on my own country, Sweden. In the near future it might be possible for a pregnant woman to profile the DNA of her foetus with a ...
Louisell, David W., Anderson, Kenneth M.
core   +1 more source

Development and Performance Validation of a Magnetorheological Damper for Passenger Cars Featuring Ball Screw and MR Brake

open access: yesActuators
This paper introduces a novel Magnetorheological (MR) damper integrated with a ball-screw mechanism (SMRB damper) that is designed to unify translational and rotational motions for enhanced automotive suspension performance.
Hieu Minh Diep   +3 more
doaj   +1 more source

Design of a reusable kinetic energy absorber for an astronaut safety tether to be used during extravehicular activities on the Space Station [PDF]

open access: yes
The goal of this project is to design a reusable safety device for a waist tether which will absorb the kinetic energy of an astronaut drifting away from the Space Station.
Borthwick, Dawn E.   +2 more
core   +1 more source

Operations analysis of gravity assisted rapid transit [PDF]

open access: yes
Gravity assisted rapid transit (GART) with 6 percent grades before and after each station are compared with conventional systems in terms of energy consumption, run time, line capacity and schedule stability under abnormal circumstances.

core   +1 more source

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