Results 1 to 10 of about 883,299 (307)
Preliminary Design and On-Site Testing Methodology of Roof-Cutting for Entry Retaining in Underground Coal Mine [PDF]
Sensors, 2023 Entry retaining via roof cutting is a new longwall mining method that has emerged in recent years, and is characterized by high resource utilization and environmental friendliness.
Ying Chen +5 more
doaj +2 more sources
Preliminary design of a terrain recognition system. [PDF]
Annu Int Conf IEEE Eng Med Biol Soc, 2011 This paper aims to design a wearable terrain recognition system, which might assist the control of powered artificial prosthetic legs. A laser distance sensor and inertial measurement unit (TMU) sensors were mounted on human body. These sensors were used to identify the movement state of the user, reconstruct the geometry of the terrain in front of the
Zhang F, Fang Z, Liu M, Huang H.
europepmc +4 more sources
Turbocharger Axial Turbines for High Transient Response, Part 1: A Preliminary Design Methodology
Applied Sciences, 2019 This paper proposes a preliminary design algorithm for application of a turbocharger axial turbine, based on turbine thermodynamic analysis and the Ainley-Mathieson performance model that converges to the optimal design based on a set of input parameters
Glen Walsh +3 more
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Buletin Ilmiah Nagari Membangun, 2023 Kampung Sarasah sebagai kampung tematik memiliki potensi ekonomi berupa kegiatan budidaya ikan hias air tawar sejak tahun 2020. Ketidaktersediaan sistem penyediaan air bersih menjadi salah satu faktor penghambat tumbuh dan kembangnya kawasan tersebut ...
Ridwan Ridwan +3 more
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A Tool for the Design of Turbomachinery Disks for an Aero-Engine Preliminary Design Framework
Aerospace, 2023 Disks in gas turbines are optimized for minimum weight, while satisfying both geometry and stress constraints, in order to minimize the engine production, operation, and maintenance costs.
Ioannis Kolias +3 more
doaj +1 more source
Propulsion Sizing Correlations for Electrical and Fuel Powered Unmanned Aerial Vehicles
Aerospace, 2021 Despite the increasing demand of Unmanned Aerial Vehicles (UAVs) for a wide range of civil applications, there are few methodologies for their initial sizing. Nowadays, classical methods, mainly developed for transport aircraft, have been adapted to UAVs.
Victor Alulema +4 more
doaj +1 more source
Inventions, 2023 Stirling engines are currently of interest due to their adaptability to a wide range of energy sources. Since simple tools are needed to guide the sizing of prototypes in preliminary studies, this paper proposes two groups of simple models to estimate ...
Enrique González-Plaza +2 more
doaj +1 more source
Aerospace, 2023 The aircraft environmental control system (ECS) is the second-highest fuel consumer system, behind the propulsion system. To reduce fuel consumption, one research direction intends to replace conventional aircraft with more electric aircraft.
Thomas Planès +3 more
doaj +1 more source
Preliminary Design of Tracking Mount for Movable SLR [PDF]
Journal of Astronomy and Space Sciences, 2010 In this paper, we present the result of preliminary design of tracking mount for ARGO-M which is a movable satellite laser ranging (SLR) system developed by Korea Astronomy and Space Science Institute (KASI).
Cheol Hoon Park +2 more
doaj +1 more source
Actuators, 2022 Electro-hydrostatic actuators (EHAs) are expanding their application fields due to their combined advantages of electric and hydraulic actuation.
Tuanhui Guo +3 more
doaj +1 more source