Results 101 to 110 of about 231,367 (247)

Monolithic integration of an active asynchronous voltage clamp with a 12V/3A full bridge synchronous rectifier

open access: yes, 2012
In transformer isolated converters, a large voltage overshoot is present on the secondary side switching nodes at every switch transition. As is well known in the design of monolithically integrated high voltage circuits, the peak voltage stress in a ...
Monté, Ann   +5 more
core   +1 more source

Integrating Theory and Practice in Regenerative Supply Chain Management: An Integrative Review and Use‐Case Synthesis

open access: yesBusiness Strategy and the Environment, EarlyView.
ABSTRACT This integrative review explores the evolution of sustainability in supply chain management and positions regenerative supply chain within the strong sustainability paradigm. It adopts a transdisciplinary approach, unfolding in two parallel stages.
Abhijeet Tewary   +2 more
wiley   +1 more source

Hyperledger Fabric for the (digitalized) lifecycle of construction products: Applied review on fastening technology

open access: yesCivil Engineering Design, Volume 7, Issue 1, Page 9-22, March 2025.
Abstract Blockchain technology is a digital decentralized data ledger recording transactions in an encrypted format. Its implementation can potentially hold significant advantages for the built environment, particularly in manufacturing and building product usage aligned with Building Information Modeling (BIM). This paradigm shift toward decentralized
Aileen Pfeil   +2 more
wiley   +1 more source

Retificador buck trifásico unidirecional PWM isolado em alta-frequência por único estágio [PDF]

open access: yes, 2012
Tese (doutorado) - Universidade Federal de Santa Catarina, Centro Tecnológico, Programa de Pós-Graduação em Engenharia Elétrica, Florianópolis, 2009Descreve-se uma nova topologia de conversor CA-CC trifásico isolado em alta-frequência por único estágio ...
Greff, Diego Santos
core  

Methanol With Increased Water Content in Internal Combustion Engines

open access: yesChemie Ingenieur Technik, EarlyView.
This study investigates the potential to improve overall Well‐to‐Wheel efficiency by using low‐purity methanol from synthesis of hydrogen and furnace gas as CO2‐source. Combustion efficiency is comparable to pure methanol, while distillation energy could be saved.
Maximilian Dobberkau   +3 more
wiley   +1 more source

Optimization of the switching power supplies with synchronous rectifier

open access: yes, 2013
This thesis deals with switching circuit topic, especially switching power supplies. There are switching circuits without inductance and their benefits presented in the thesis.
Skácel, Josef
core  

Multidimensional Engineering Enabling Rate‐Matched C−N Coupling for Efficient Organonitrogen Electrosynthesis

open access: yesEcoEnergy, EarlyView.
This review introduces rate matching as a unifying design principle for efficient electrochemical C−N coupling and highlights multidimensional engineering of catalysts, interfaces, and reactors to synchronize the generation of carbon‐ and nitrogen‐containing intermediates, balance their surface coverages, maximize C−N bond formation, and enable ...
Kaixing Cai   +4 more
wiley   +1 more source

Triboelectric–Electromagnetic Generator‐Enabled Hybrid Power Backpack for Self‐Powered Field Safety Management

open access: yesENERGY &ENVIRONMENTAL MATERIALS, EarlyView.
A lightweight hybrid backpack integrating SC‐TENGs and R‐EMGs harvests biomechanical energy during walking. With a low activation speed of 3 km h−1 and a high specific power of 0.18 W kg−1, it enables self‐powered field safety management. The power backpack refers to an energy‐harvesting solution engineered to mitigate battery reliance in wearable ...
Jie Chen   +6 more
wiley   +1 more source

High‐Performance Wearable Triboelectric Nanogenerators Based on Polyethyleneimine‐Doped Cellulose Acetate for Self‐Powered Dynamic Signature Sensing and Verification

open access: yesENERGY &ENVIRONMENTAL MATERIALS, EarlyView.
A high‐performance wearable triboelectric nanogenerator (TENG) based on polyethyleneimine ‐doped cellulose acetate is demonstrated for dynamic signature authentication. The developed TENG with enhanced interfacial polarization and increased surface charge density exhibits excellent mechanical durability, environmental stability, and long‐term ...
Yoon‐Seo Choi   +3 more
wiley   +1 more source

Kontribusi Analisa Pengaturan Putaran Motor Sinkron dengan Inverter Sumber Arus Komutasi Beban

open access: yesJournal of Mathematical and Fundamental Sciences, 2019
Sari. Tulisan ini merupakan suatu kontribusi mengenai pengaturan putaran motor sinkron dengan sumber listrik arus bolak-balik 3 fasa, penyearah dan inverter.
Yanuarsyah Haroen, T.M. Soelaiman
doaj  

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