Results 41 to 50 of about 933,739 (206)

Heat pipe with hot gas reservoir [PDF]

, 1974
Heat pipe can reverse itself with gas reservoir acting as evaporator, leading to rapid recovery from liquid in reservoir. Single layer of fine-mesh screen is included inside reservoir to assure uniform liquid distribution over hottest parts of internal ...
Marcus, B. D.
core   +1 more source

Laboratory pulse modulator uses minority carrier storage diodes [PDF]

, 1967
Pulse modulator is capable of continuously variable pulse width over a 10 to 1 range of 1.0 microsecond to 0.1 microsecond and operates over a wide range of pulse repetition rates.

core   +1 more source

Investigation of SiC MOSFET Body Diode Reverse Recovery and Snappy Recovery Conditions

Energies
This paper investigates the behavior of SiC MOSFETs body diode reverse recovery as a function of different operating conditions. The knowledge of their effects is crucial to properly designing and driving power converters based on SiC devices, in order ...
Giuseppe Pennisi, Mario Pulvirenti, Luciano Salvo, Angelo Giuseppe Sciacca, Salvatore Cascino, Antonio Laudani, Nunzio Salerno, Santi Agatino Rizzo   +7 more
doaj   +1 more source

Assessing the Complexity of a Recovered Design and its Potential Redesign Alternatives [PDF]

, 2009
Organised by: Cranfield UniversityReverse engineering techniques are applied to generate a part model where there is no existing documentation or it is no longer up to date.
ElMaraghy, W. H., Urbanic, R. J.
core  

Soft-Switching Technology of Three-Phase Six-Switch PFC Rectifier

Energies, 2020
An active clamp, three-phase, six-switch power factor correction rectifier with a one-cycle controller is proposed, which can effectively suppress the reverse recovery of the reverse parallel diode of the bridge arm switch and reduce the reverse recovery
Qihui Zhen, Qingyun Di
doaj   +1 more source

Next-generation sequencing of dsRNA is greatly improved by treatment with the inexpensive denaturing reagent DMSO. [PDF]

, 2019
dsRNA is the genetic material of important viruses and a key component of RNA interference-based immunity in eukaryotes. Previous studies have noted difficulties in determining the sequence of dsRNA molecules that have affected studies of immune function
Delwart, Eric, Díaz-Muñoz, Samuel L, Wilcox, Alexander H   +2 more
core  

The Impacts of Platinum Diffusion to the Reverse Recovery Lifetime of a High Power Diode Devices

MATEC Web of Conferences, 2016
The reverse recovery lifetime of a diode is one the key parameter in power electronics market. To make a diode with fast switching speed, diodes are often doped with impurities such as gold and platinum to improve its lifetime.
Cheh C.M., Arshad M.K.M., Rahim R.A., Ibau C., Voon C.H., Ayub R.M., Hashim U.   +6 more
doaj   +1 more source

A novel 4H‐SiC accumulation mode MOSFET with ultra‐low specific on‐resistance and improved reverse recovery capability

IET Power Electronics, 2023
A novel 1440‐V 4H‐SiC accumulation mode MOSFET (ACCUFET) with ultra‐low specific on‐resistance and improved reverse recovery performance is proposed in this article.
Moufu Kong, Yuanmiao Duan, Bingke Zhang, Ronghe Yan, Bo Yi, Hongqiang Yang   +5 more
doaj   +1 more source

The hybrid absorption cooling–desalination and reverse osmosis system to boost energy utilization efficiency

Energy Reports, 2023
The reverse osmosis (RO) process is the most widely used water softening system, which is used due to its high-performance efficiency. However, this method causes damage to the ecosystem by producing concentrated salt water.
Bahram Jalili, Amirhossein Rezaeian, Payam Jalili, Davood Domiri Ganji   +3 more
doaj   +1 more source

A hybrid CPU-GPU parallelization scheme of variable neighborhood search for inventory optimization problems

, 2017
In this paper, we study various parallelization schemes for the Variable Neighborhood Search (VNS) metaheuristic on a CPU-GPU system via OpenMP and OpenACC.
Antoniadis, Nikolaos, Sifaleras, Angelo
core   +1 more source