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Energy-efficient, scalable and modular industrial microwave applicator for high temperature alkaline hydrolysis of PET

2023-01-27 Technology & Engineering
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Release : 2023-01-27
Genre : Technology & Engineering
Kind : eBook
Book Rating : 995/5 ( reviews)

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Book Synopsis Energy-efficient, scalable and modular industrial microwave applicator for high temperature alkaline hydrolysis of PET by : Ramopoulos, Vasileios

Download or read book Energy-efficient, scalable and modular industrial microwave applicator for high temperature alkaline hydrolysis of PET written by Ramopoulos, Vasileios. This book was released on 2023-01-27. Available in PDF, EPUB and Kindle. Book excerpt: Microwave-assisted alkaline hydrolysis of PET can be 20 times faster and at lower temperatures. This work presents a novel industrial microwave applicator at 2.45 GHz with homogeneous distribution to support this reaction, which allows an efficient and continuous operation. In addition, an innovative dielectric and calorimetric measurements setup is presented. Furthermore, the modelling of the reaction kinetics based on the measured dielectric parameters is presented.

Energy-efficient, Scalable and Modular Industrial Microwave Applicator for High Temperature Alkaline Hydrolysis of PET

2021*
Download Energy-efficient, Scalable and Modular Industrial Microwave Applicator for High Temperature Alkaline Hydrolysis of PET PDF Online Free

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Release : 2021*
Genre :
Kind : eBook
Book Rating : /5 ( reviews)

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Book Synopsis Energy-efficient, Scalable and Modular Industrial Microwave Applicator for High Temperature Alkaline Hydrolysis of PET by : Vasileios Ramopoulos

Download or read book Energy-efficient, Scalable and Modular Industrial Microwave Applicator for High Temperature Alkaline Hydrolysis of PET written by Vasileios Ramopoulos. This book was released on 2021*. Available in PDF, EPUB and Kindle. Book excerpt:

MultPhysics Modelling towards the Stabilization of PAN Fibers with Microwaves Based on Experimental Data

2024-07-10
Download MultPhysics Modelling towards the Stabilization of PAN Fibers with Microwaves Based on Experimental Data PDF Online Free

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Release : 2024-07-10
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Kind : eBook
Book Rating : 501/5 ( reviews)

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Book Synopsis MultPhysics Modelling towards the Stabilization of PAN Fibers with Microwaves Based on Experimental Data by : Hofele, Julia

Download or read book MultPhysics Modelling towards the Stabilization of PAN Fibers with Microwaves Based on Experimental Data written by Hofele, Julia. This book was released on 2024-07-10. Available in PDF, EPUB and Kindle. Book excerpt: High energy demand is one reason for high costs of carbon fibers. One option to decrease them is to use microwave heating instead of conventional heating. In this work, steps towards a microwave assisted process during the stabilization phase are presented. In-situ dielectric measurements are performed and a reaction kinetics model is setup in connection to the dielectric loss. This allows to calculate a stabilization degree and fiber temperatures leading to a basic process understanding.

New Type of sub-THz Oscillator and Amplifier Systems Based on Helical-Type Gyro-TWTs

2023-01-26 Technology & Engineering
Download New Type of sub-THz Oscillator and Amplifier Systems Based on Helical-Type Gyro-TWTs PDF Online Free

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Release : 2023-01-26
Genre : Technology & Engineering
Kind : eBook
Book Rating : 505/5 ( reviews)

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Book Synopsis New Type of sub-THz Oscillator and Amplifier Systems Based on Helical-Type Gyro-TWTs by : Marek, Alexander

Download or read book New Type of sub-THz Oscillator and Amplifier Systems Based on Helical-Type Gyro-TWTs written by Marek, Alexander. This book was released on 2023-01-26. Available in PDF, EPUB and Kindle. Book excerpt: This work presents the development of a new sub-THz source for the generation of trains of coherent high-power ultra-short pulses at 263 GHz via passive mode-locking of two coupled helical gyro-TWTs. For the first time, it is shown that the operation of such passive mode-locked helical gyro-TWTs in the hard excitation regime is of particular importance to reach the optimal coherency of the generated pulses. This could be of particular interest for some new time-domain DNP-NMR methods.

A First 2 MW-Class (136)/170/204 GHz Multi-Frequency Gyrotron Pre-Prototype for DEMO: Design, Construction and Key Components Verification

2023-10-26
Download A First 2 MW-Class (136)/170/204 GHz Multi-Frequency Gyrotron Pre-Prototype for DEMO: Design, Construction and Key Components Verification PDF Online Free

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Release : 2023-10-26
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Kind : eBook
Book Rating : 099/5 ( reviews)

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Book Synopsis A First 2 MW-Class (136)/170/204 GHz Multi-Frequency Gyrotron Pre-Prototype for DEMO: Design, Construction and Key Components Verification by : Ruess, Tobias

Download or read book A First 2 MW-Class (136)/170/204 GHz Multi-Frequency Gyrotron Pre-Prototype for DEMO: Design, Construction and Key Components Verification written by Ruess, Tobias. This book was released on 2023-10-26. Available in PDF, EPUB and Kindle. Book excerpt: Ein Gyrotron wird in magnetisch eingeschlossenen Plasmaexperimenten für Heizung, Stromtrieb, Plasmastabilisierung und Plasmadiagnostik verwendet. In dieser Arbeit wird der erste Entwurf und Bau eines Mehrfrequenz-/Mehrzweck Pre-Prototyp Gyrotrons in koaxialer Technologie vorgestellt, das bei (136)/170/204 GHz mit einer Ausgangsleistung von 2 MW arbeitet. Dies ist der erste Schritt zum Betrieb bei Frequenzen bis zu 240 GHz unter Verwendung der Koaxialhohlraum-Gyrotrontechnologie. - A gyrotron is used in magnetically confined plasma experiments for heating, current drive, plasma stabilization and plasma diagnostics. This work presents the first design and construction of a multi-frequency / multi-purpose coaxial-cavity pre-prototype gyrotron operating at (136)/170/204 GHz with an output power of 2 MW. It is the first step towards operating frequencies up to 240 GHz using the coaxial-cavity gyrotron technology.

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