Science Advances, 2019 Anchoring monolayer bilateral amines on perovskite passivates surface defects, reinforces grain boundaries, and enhances stability. The power conversion efficiencies (PCEs) of perovskite solar cells (PSCs) are already higher than that of other thin film ...
Wu-Qiang Wu, Zhibin Yang, Peter N Rudd
exaly +2 more sources
Blockchain Assisted Decentralized Federated Learning (BLADE-FL): Performance Analysis and Resource Allocation [PDF]
IEEE Transactions on Parallel and Distributed Systems, 2021 Federated learning (FL), as a distributed machine learning paradigm, promotes personal privacy by local data processing at each client. However, relying on a centralized server for model aggregation, standard FL is vulnerable to server malfunctions ...
Jun Li +7 more
semanticscholar +1 more source
Redesign of an upwind rotor for a downwind configuration: design changes and cost evaluation [PDF]
Wind Energy Science, 2021 Within this work, an existing model of a Suzlon S111 2.1 MW turbine is used to estimate potential cost savings when the conventional upwind rotor concept is changed into a downwind rotor concept. A design framework is used to get realistic design updates
G. Wanke +3 more
doaj +1 more source
A method for preliminary rotor design – Part 1: Radially Independent Actuator Disc model [PDF]
Wind Energy Science, 2021 We present an analytical model for assessing the aerodynamic performance of a wind turbine rotor through a different parametrization of the classical blade element momentum (BEM) model.
K. Loenbaek +4 more
doaj +1 more source
Longitudinal and transverse oscillations of the impact device tool under impulsive loads [PDF]
E3S Web of Conferences, 2023 The destruction process of the rock by the tool of the impact device occurs with an impulsive load on the tool from the recoil reaction from the side of the rock, not only in the axial, but also in the transverse direction.
Slidenko Alexander, Slidenko Viktor
doaj +1 more source
Optimal relationship between power and design-driving loads for wind turbine rotors using 1-D models [PDF]
Wind Energy Science, 2020 We investigate the optimal relationship between the aerodynamic power, thrust loading and size of a wind turbine rotor when its design is constrained by a static aerodynamic load.
K. Loenbaek +4 more
doaj +1 more source
Study on Surface Strengthening Technology for Blades Based on AHP and Pugh Matrix Method [PDF]
Cailiao Baohu, 2022 In order to evaluate the applicability of various surface strengthening technology for steam turbine blades, the evaluation system of steam turbine blade surface strengthening technology was established by analytic hierarchy process (AHP) method,
LONG Ting - yu, WU Mei - ping, MIAO Xiao - jin, YE Feng, WANG Xiang - rui, KUANG Yi - qiang
doaj +1 more source
Journal of Pipeline Science and Engineering, 2021 A 22-inch onshore natural gas transmission pipeline in operation since 1960 experienced an in-service rupture in January of 2018. The rupture was caused by an axial crack located 150 km (93 miles) downstream of the closest compression station.
Pablo Cazenave +4 more
doaj +1 more source
Differences in damping of edgewise whirl modes operating an upwind turbine in a downwind configuration [PDF]
Wind Energy Science, 2020 The qualitative changes in damping of the first edgewise modes when an upwind wind turbine is converted into the respective downwind configuration are investigated.
G. Wanke, L. Bergami, D. R. Verelst
doaj +1 more source
A Review on the Processing of Aero-Turbine Blade Using 3D Print Techniques
Journal of Manufacturing and Materials Processing, 2022 Additive manufacturing (AM) has proven to be the preferred process over traditional processes in a wide range of industries. This review article focused on the progressive development of aero-turbine blades from conventional manufacturing processes to ...
Ayush Sinha +6 more
semanticscholar +1 more source