SIMULATION OF PIEZOELECTRIC JELLYFISH POWER GENERATOR

2010 ◽  
Vol 24 (13) ◽  
pp. 1325-1328 ◽  
Author(s):  
YEONG-JEN WU ◽  
WEI-HSIANG LAI
Keyword(s):  
Energy Recovery ◽  
Strain Energy ◽  
Waste Heat ◽  
Electrical Energy ◽  
Vibration Energy ◽  
Energy Problem ◽  
Power Generator ◽  
Piezoelectric Polymer ◽  
Useful Power ◽  
Sea Wave

The energy problem is getting increasingly serious. As such, unused energy recovery technology is crucial for environmental protection, which has been investigated extensively. Several methods have been developed to utilize scavenged energy from the environment, such as waste heat, solar energy, wind energy, and tides energy to convert into useful power. There is a new idea of piezoelectric jellyfish generator which combines the utilization of sea wave and vibration energy. When sea wave passes through the jellyfish, the wave causes the tentacles to vibrate. The tentacles is made of piezoelectric polymer which can convert the strain energy into electrical energy. This paper discusses about the piezoelectric jellyfish's tentacles being disturbed by wave in the sea. We employed the commercial CFD software CFD-ACE+ 2006 to simulate this phenomenon. The parameters including its tentacle length (L) and wave propagating function (Y) are studied which affect the piezoelectric jellyfish capacity to generate power.

Ocean Power Generator Using Flexible Piezoelectric Device

2013 ◽  
Author(s):  
Hidemi Mutsuda ◽  
Ryuta Watanabe ◽  
Shota Azuma ◽  
Yoshikazu Tanaka ◽  
Yasuaki Doi
Keyword(s):  
Electric Power ◽  
Wave Breaking ◽  
Strain Energy ◽  
Electrical Energy ◽  
Electric Polarization ◽  
Scale Model ◽  
Breaking Wave ◽  
Ocean Energy ◽  
Power Generator ◽  
Piezoelectric Device

We have developed a way of harvesting electrical energy from ocean power, e.g. tide, current wave, breaking wave and vortex, using a Flexible PiezoElectric Device (FPED) consisting of polyvinyledene fluoride (PVDF) and elastic material such as rubber, silicon and resin. The proposed FPED has a multi-layered structure with a distance δ between FPEDs located away from centerline of the FPED. When the FPED can be easily deformed by ocean power, the PVDF laminated in the FPED can be expanded and compressed and then the internal strain energy can be stored in the FPED. The electric power is generated when the electric polarization occurs in the PVDF. In this study, we have proposed an ocean power generator of EFHAS (Elastic Floating unit with HAnging Structures) consisting of floating unit and hanging unit using the FPEDs to obtain electric power from ocean energy. We investigated a structure of the EFHAS and also examined characteristics of motion and electric performance of the EFHAS (1/50–1/75 scale model. We made clear that the EFHAS could be useful as ocean power generator.

scholarly journals Research Review of a Vehicle Energy-Regenerative Suspension System

Energies ◽  
2020 ◽  
Vol 13 (2) ◽  
pp. 441 ◽  
Author(s):  
Xueying Lv ◽  
Yanju Ji ◽  
Huanyu Zhao ◽  
Jiabao Zhang ◽  
Guanyu Zhang ◽  
...  
Keyword(s):  
Energy Supply ◽  
Energy Recovery ◽  
Vibrational Energy ◽  
Waste Heat ◽  
Reference Value ◽  
Electrical Energy ◽  
Suspension System ◽  
Research Review ◽  
New Energy ◽  
Supply Equipment

Vehicles are developing in the direction of energy-saving and electrification. suspension has been widely developed in the field of vehicles as a key component. Traditional hydraulic energy-supply suspensions dissipate vibration energy as waste heat to suppress vibration. This part of the energy is mainly generated by the vehicle engine. In order to effectively utilize the energy of this part, the energy-regenerative suspension with energy recovery converts the vibrational energy into electrical energy as the vehicle’s energy supply equipment. This article reviews the hydraulically powered suspension of vehicles with energy recovery. The importance of such suspension in vehicle energy recovery is analyzed. The main categories of energy-regenerative suspension are illustrated from different energy recovery methods, and the research status of hydraulic energy-regenerative suspension is comprehensively analyzed. Important factors that affect the shock-absorbing and regenerative characteristics of the suspension system are studied. In addition, some unresolved challenges are also proposed, which provides a reference value for the development of energy-regenerative suspension systems for hybrid new energy vehicles

Wind Power Micro-Generator Using Dielectric Electric Active Polymer

2011 ◽  
Vol 328-330 ◽  
pp. 1491-1494 ◽  
Author(s):  
Gui Juan Lin ◽  
Xin Bo Zhang ◽  
De Chao Song
Keyword(s):  
Renewable Energy ◽  
Wind Power ◽  
Experimental Verification ◽  
Electrical Energy ◽  
Experimental Results ◽  
Power Generator ◽  
Piezoelectric Polymer ◽  
Wind Power Generator ◽  
Set Up ◽  
Compliant Electrode

Wind power is emerging as a particularly attractive form of renewable energy. Dielectric Electric Active Polymers (DEAP) has shown great potential as actuator materials. Their predomination has been shown to operate in transforming mechani­cal to electrical energy in a generator mode. This work investigates the principle of wind power dielectric electro active polymer generator, simulation and experimental verification of the phenomenon. Dielectric Electro Active Polymer have proved to provide electrical energy with density as high as 1.5J.g-1.This value is very important compared to the density available with piezoelectric polymer (0.3J.g-1). The prototype has been set up on the DEAP wind power generator in the article. It is a membrane with an area of 1.5 m2 and 30μm in thickness, which is fabricated by Danfoss PolyPower A/S using smart compliant electrode technology in conjunction with a silicone elastomer. In the last part of this article, experimental results are detailed with our prototype for wind application.

scholarly journals A Thermally-Regenerative Ammonia-Based Flow Battery for Electrical Energy Recovery from Waste Heat

ChemSusChem ◽  
2016 ◽  
Vol 9 (8) ◽  
pp. 873-879 ◽  
Author(s):  
Xiuping Zhu ◽  
Mohammad Rahimi ◽  
Christopher A. Gorski ◽  
Bruce Logan
Keyword(s):  
Energy Recovery ◽  
Waste Heat ◽  
Electrical Energy ◽  
Flow Battery

scholarly journals Design and Hardware Implementation of Portable Generator using TEG

2019 ◽  
Vol 8 (10) ◽  
pp. 843-846
Keyword(s):  
Hardware Implementation ◽  
Waste Heat ◽  
Thermal Power ◽  
Electrical Energy ◽  
Human Beings ◽  
Thermo Electric ◽  
Power Generator ◽  
The Baltic ◽  
Day By Day ◽  
Very High

Electrical energy has become a part of all human beings, the claim for electricity has been very high in the current days and hence electricity generated by usual means is not plenty. Nowadays solar, wind and thermal power station are mostly used to generate electricity. But by using this more amount of space can be occupied, fuel cost is increasing day by day, and also power consumption rate is very high in commercial sectors. So avoid these problems by using Thermo Electric power Generator (TEG). It is in the form of peltier coolers and TE generators. TE generator produces electrical energy from waste heat. It works based on principle of SEEBECK effect. It is named after the Baltic German physicist Thomas Johann seebeck. This paper proposed an idea of Design and Hardware implementation of Portable Generator using TEG. Hardware model was implemented and tested

Design and Analysis of Parallel Interconnection Hydraulic-Electric Energy-Harvesting Active Radial Steering Bogie System

2017 ◽  
Author(s):  
Lingshuai Meng ◽  
Lin Xu ◽  
Junyi Zou ◽  
Jia Mi ◽  
Sijing Guo
Keyword(s):  
Energy Harvesting ◽  
Energy Recovery ◽  
Shock Absorber ◽  
Waste Heat ◽  
Mechanical Vibration ◽  
Electric Energy ◽  
Average Energy ◽  
Vibration Energy ◽  
Vertical Acceleration ◽  
Power Module

With the increasing of the train load, the wheel-rail wear is worsening, the maintaining and replacing cycle is shortened enormously, the problem of replacing steel rail and wheel prematurely not only make the railway transportation cost increasing, but also affect the railway normal transportation. This paper proposes a novel type of active energy self-supply radial steering technology — the parallel interconnection hydraulic-electric energy-harvesting active radial steering bogie system. This system is a typical “machine – electric – hydraulic” coupling system, which includes parallel interconnection hydraulic-electric energy-harvesting suspension and active radial steering bogie, consisting of mechanical, electronic, hydraulic and control subsystems internally. In this system, the radial steering bogie is equipped with four HESA, and HESA can reuse the mechanical vibration energy which used to be transformed into waste heat by the shock absorber. In this system, the mechanical vibration energy is now used to drive power module of active radial steering bogie, so as to implement the train’s active radial steering without external power supply. This paper discusses the evolution of radial steering bogie in general, and introduces the structure and basic principle of the parallel interconnection electro-hydraulic energy-harvesting active radial steering bogie system. The system establishes a model of the parallel interconnection hydraulic-electric energy-harvesting shock absorber. The typical vertical irregularity of American track is established. In the paper, we research on the system’s damping performance and energy recovery performance through stimulation. Simulation results show that the maximum vertical acceleration of train body is reduced from 42.9% to 62.3%, and the average energy recovery power from the system increases from 217W to 1835W when the system works at the six levels of track irregularities.

Research on Vibration Energy Recovery of Base on EAPs

2012 ◽  
Vol 511 ◽  
pp. 129-133
Author(s):  
Zhi Yun Liu ◽  
Shi Ju E ◽  
Jian Bo Cao
Keyword(s):  
Power Generation ◽  
Energy Conversion ◽  
Energy Recovery ◽  
Electrical Energy ◽  
Electroactive Polymers ◽  
Good Effect ◽  
Vibration Energy ◽  
Vibration System ◽  
Conventional Technology ◽  
Efficient Recovery

In order to promote the efficient recovery of the vibration energy, to achieve the purpose that energy of vibration can be converted to electrical energy and implement the vibration energy recovery, the electroactive polymers (EAPs) were discussed and studied in this paper. The vibration power generation mechanism of EAPs and vibration system were theoretical analysed, a nonlinear technology (synchronized switch harvesting with inductor) was used in process of energy recovery. The experimental results showed that EAPs had good effect of the vibration energy conversion and nonlinear technology was more efficient than conventional technology in energy recovery.

Thermoelectric Energy Recovery From Power Amplifier Transistors

2010 ◽  
Author(s):  
Kyoung Joon Kim
Keyword(s):  
Power Generation ◽  
Power Amplifier ◽  
Energy Recovery ◽  
Waste Heat ◽  
Electrical Energy ◽  
Load Resistance ◽  
Heat Flows ◽  
Thermoelectric Energy ◽  
Term Performance ◽  
Fully Coupled

A thermoelectric energy recovery module (TERM) is proposed. The TERM seeks to generate electrical energy from waste heat of power amplifier transistors. The TERM consists of a thermoelectric generator (TEG), a heat spreader, and a heat sink. A fully-coupled thermoelectric (TE) model of the TERM is developed to predict the power generation and the thermal performance of the TERM. A first order prototype of the TERM and a measurement setup are constructed to demonstrate the TERM performance. Power generation values and junction temperatures of a heat source are measured at various source heat flows. The measured results are used to verify the predicted results and to demonstrate the TERM performance. Load resistance effects to the TERM performance are also investigated utilizing the TE model and the measurement setup.

Study on Energy Recovery from Waste Heat in Solar Array Panel Using Thermoelectric Generating Modules

2020 ◽  
Vol 68 (2) ◽  
pp. 65-71
Author(s):  
Kazushi Sekine ◽  
Kazunori Takagaki ◽  
Masahiro Miyashita ◽  
Takayuki Morioka
Keyword(s):  
Energy Recovery ◽  
Waste Heat ◽  
Solar Array

Effect of Electron-Phonon Coupling on Transport Properties of Monolayers of ZrS2, BiI3 and PbI2: A thermoelectric Perspective

2021 ◽  
Author(s):  
Gautam Sharma ◽  
Vineet Kumar Pandey ◽  
Shouvik Datta ◽  
Prasenjit Ghosh
Keyword(s):  
Relaxation Time ◽  
Band Structure ◽  
Transport Properties ◽  
Thermoelectric Properties ◽  
Thermoelectric Materials ◽  
Waste Heat ◽  
Transport Coefficients ◽  
Electrical Energy ◽  
Phonon Coupling ◽  
Electron Phonon Coupling

Thermoelectric materials are used for conversion of waste heat to electrical energy. The transport coefficients that determine their thermoelectric properties depend on the band structure and the relaxation time of...

Sign in / Sign up

Export Citation Format

Share Document