Results 81 to 90 of about 10,608 (305)
Space shuttle orbiter auxiliary power unit development challenges [PDF]
, 1985 When the flying spacecraft was approved for development, a power unit for the hydraulic system had to be developed. Unlike other systems on the orbiter, there was no precedent in earlier spacecraft for a hydraulic system nor for the power unit to drive ...
Lance, R., Weary, D.
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From Lab to Landscape: Environmental Biohybrid Robotics for Ecological Futures
Advanced Robotics Research, EarlyView.This Perspective explores environmental biohybrid robotics, integrating living tissues, microorganisms, and insects for operation in real‐world ecosystems. It traces the leap from laboratory experiments to forests, wetlands, and urban environments and discusses key challenges, development pathways, and opportunities for ecological monitoring and ...
Miriam Filippi
wiley +1 more source
RE-1000 free-piston Stirling engine hydraulic output system description [PDF]
The NASA Lewis Research Center was involved in free-piston Stirling engine research since 1976. Most of the work performed in-house was related to characterization of the RE-1000 engine.
Geng, Steven M., Schreiber, Jeffrey G.
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STS payload ground handling mechanism at John F. Kennedy Space Center [PDF]
, 1985 The payload ground handling mechanism (PGHM), which lifts payloads out of the payload canister that brings them to the launch pad, is described. The PGHM then loads the payloads into the orbiter through the open payload bay doors.
Cassisi, V., Tatem, B. C., Jr.
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Research of the pre-launch powered lubrication device of major parts of the engine D-240 [PDF]
, 2015 In the publication, the issues have been considered concerning combustion engine start wear of mobile machines in case of outside storage in the conditions of low environmental temperature.
Korchuganova, Mariya Anatolievna +3 more
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A Soft Robotic Model for Simulating Heart Valve Disease and Cardiac Interventions
Advanced Science, EarlyView.This paper introduces a fully synthetic fabrication methodology for a soft robotic, in‐vitro model of the left‐heart, complete with a functioning mitral valve apparatus. With a view towards patient‐specific modeling, we demonstrate physiological flow and pressure waveforms, tunable mitral valve function with clinical imaging compatibility, and its use ...
James Davies +14 more
wiley +1 more source
Discover Applied SciencesAmidst escalating global energy shortages and environmental pollution, hydraulic hybrid technology has become a pivotal focus in heavy-duty vehicle research.
Youquan Chen, Lilong Zhou, Lidan Fan
doaj +1 more source
Parameters of the pneumatic accumulator for excavator loading and unloading equipment
Архитектура, строительство, транспортOne of the most effective methods of developing high-strength soils, including frozen soils, is impact destruction using active-type mechanisms. In this case, the most appropriate application is using impact devices as independent replaceable or ...
I. A. Teterina +2 more
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Shuttle: Reaction control system. Cryogenic liquid distribution system: Study [PDF]
A cryogenic liquid distribution system suitable for the reaction control system on space shuttles is described. The system thermodynamics, operation, performance and weight analysis are discussed along with the design, maintenance and integration ...
Akkerman, J. W.
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Hydraulic Hybrid Powertrain-In-the-Loop Integration for Analyzing Real-World Fuel Economy and Emissions Improvements [PDF]
, 2011 The paper describes the approach, addresses integration challenges and discusses capabilities of the Hybrid Powertrain-in-the-Loop (H-PIL) facility for the series/hydrostatic hydraulic hybrid system. We describe the simulation of the open-loop and closed-
Baseley, Simon +4 more
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