Results 21 to 30 of about 794,055 (328)

A monolithic and flexible fluoropolymer film microreactor for organic synthesis applications [PDF]

open access: yes, 2019
A photocurable and viscous fluoropolymer with chemical stability is a highly desirable material for fabrication of microchemical devices. Lack of a reliable fabrication method, however, limits actual applications for organic reactions.
Im, DJ   +6 more
core   +1 more source

Rancang Bangun Prototipe PLTPh Sebagai Listrik Penerangan Kapasitas 9 Watt

open access: yesJurnal Energi Dan Manufaktur, 2020
This study aims to realize the manufacturing of a prototype design of a pico-hydro power plant, which is expected to be a science of study and a reference for students at the University of Singaperbangsa Karawang in particular and Indonesian students in ...
Muhammad Ibrahim   +2 more
doaj   +1 more source

Effect of Pulse Width Modulation on Proportional, Integral, and Derivative Coefficient Characteristics

open access: yesProtek: Jurnal Ilmiah Teknik Elektro, 2023
Based on the value of feedback obtained from the sensor (LDR), the PID algorithm uses the error value obtained from the comparison between the sensor value and the setpoint value to perform calculations so that the PWM generator will use the output value
Tonny Suhendra
doaj   +1 more source

Collapse of a cavitation bubble generated by low voltage discharge in water

open access: yesEPJ Web of Conferences, 2012
The article presents experimental results of the optical study of cavitation bubble collapse close to a solid boundary in water. The bubble was generated by discharge of two low-voltage capacitors.
Zima Patrik   +3 more
doaj   +1 more source

IoT applications utilizing excess heat in electrical lighting fixtures [PDF]

open access: yes, 2020
The development of IoT instrumentation will always be strongly influenced by the properties of the power supply system. A large number of IoT nodes creates a danger of extra expenditures when changing the battery.
Bouřa A.   +5 more
core  

Pemantauan Pembangkit Listrik Tenaga Mikrohidro (PLTMH)

open access: yesJurnal Rekayasa Elektrika, 2014
This research is motivated by electrical power shutting-down that frequently occurred in Riau province. Low electrical power supply as compared to the need causes lack of supply.
Arif Gunawan   +2 more
doaj   +1 more source

A Hybrid Quantum Inspired Particle Swarm Optimization and Least Square Framework for Real-time Harmonic Estimation

open access: yesJournal of Modern Power Systems and Clean Energy, 2021
The power quality is becoming an extensively addressing aspect of the power system because of the sensitive operation of the smart grid, awareness of power quality, and the equipment of modern power systems.
Abu Bakar Waqas   +2 more
doaj   +1 more source

An Historical Survey on Light Technologies [PDF]

open access: yes, 2018
Following the celebration of the International Year of Light and Light-based Technologies in 2015, this paper presents a survey of the exploitation of light throughout our history. Human beings started using light far into the Stone Age, in order to meet
Guarnieri, Massimo
core   +1 more source

Eco-electric energy generator system using human exercise activities

open access: yesMATEC Web of Conferences, 2018
Today human need for electrical energy is very high. For that we need to find an alternative power plant renewable energy, especially environmentally friendly.
Setya Prabowo Frans   +2 more
doaj   +1 more source

Characterization and prediction of household use of solar home system in Leyte Islands, Philippines

open access: yesAnnals of Tropical Research, 2020
Under the Household Electrification Program of the Philippines‘ Department of Energy, 530 solar home systems (SHSs) with 30Wp capacity were installed in individual households in four island barangays (villages) in Leyte and Southern Leyte from 2013 to ...
Jacqueline M. Guarte   +2 more
doaj   +1 more source

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