Functional implantable devices designed using bio-potential thermoelectric generator

2019 ◽  
Vol 9 (4) ◽  
pp. 39-42
Author(s):  
Tharun Kumar G ◽  
Vincent Vidyasagar J ◽  
Ramesh M ◽  
Akhila C R
Keyword(s):  
Temperature Difference ◽  
Thermoelectric Generator ◽  
Power Source ◽  
Implantable Devices ◽  
Thermoelectric Generators ◽  
Small Temperature ◽  
Thermo Electric ◽  
Electric Generator ◽  
Thermoelectric Systems ◽  
Driving Source

Thermo Electric Generator is a device which Converts warmth immediately into electric electricity the usage of a phenomenon known as the "Seebeck effect”. Unlike traditional dynamic warmness engines, thermoelectric generators contain no shifting components and are absolutely silent. But for small packages, thermoelectrics can end up competitive due to the fact they are compact, easy (inexpensive) and scalable. Thermoelectric systems may be without problems designed to perform with small heat resources and small temperature difference. The main aim of this project is to use BIO-POTENTIAL as a driving source of power for the implant devices such as Pacemakers. Pacemakers usually use batteries as their power source, and when the battery's period is over, the patient has to undergo surgery to replace the batteries. By using TEG, rapidly undergoing surgery of those pacemakers’s patient can be avoided. The main objective of our project is to power implantable devices using Thermoelectric Generator and avoid further surgeries for the patient.

scholarly journals Rancang Bangun Pembangkit Listrik Alternatif Menggunakan Termoelektrik dengan Memanfaatkan pada Tungku Pemanas

2020 ◽  
Vol 3 (2) ◽  
pp. 53
Author(s):  
Muhammad Abdul Manap ◽  
Al Fikri
Keyword(s):  
Temperature Difference ◽  
Thermoelectric Generator ◽  
Boost Converter ◽  
Heating Furnace ◽  
Seebeck Effect ◽  
Thermoelectric Generators ◽  
Power Generator ◽  
In Series ◽  
Alternative Power

his study aims to design an alternative power generator using a thermoelectric generator (TEG) by utilizing a heating furnace, using two thermoelectric generators (TEG) connected in series. Thermoelectrics that take advantage of temperature differences can produce voltages that correspond to the seebeck effect. The alternative power generator that has been designed consist of a thermoelectric, boost converter, and a 5 Watt DC lamp load. The test was carried out using a Boost Converter and using a 5 Watt DC lamp load for 20 minutes. The results of the research using the Boost Converter produce a voltage of 42.8 V with a temperature difference of 90°C, while using a 5 Watt DC lamp load produces a voltage of 8.81 V with a temperature difference of 82°C and the resulting current is 0.6 A, the resulting power 4.84W.

scholarly journals Thermoelectric Generator Based on CuSO4 and Na2SiO3

Proceedings ◽  
2020 ◽  
Vol 63 (1) ◽  
pp. 35
Author(s):  
Mihail Chira ◽  
Andreea Hegyi ◽  
Henriette Szilagyi ◽  
Horaţiu Vermeșan
Keyword(s):  
Thermoelectric Generator ◽  
Electrical Power ◽  
Distribution Networks ◽  
Thermoelectric Generators ◽  
Electrical Characteristics ◽  
Output Current ◽  
Hot Plate ◽  
Small Temperature ◽  
Voltage Output ◽  
Different Temperatures

Thermoelectric generators can operate at small temperature differences providing enough electricity for low-power electronics, sensors in distribution networks, and biomedical devices. The article presents the obtaining of a thermoelectric generator and its electrical characteristics using usual substances. Experimental research was carried out using a mixture consisting of several substances (copper sulfate, calcium hydroxide, silicon dioxide, and sodium silicate) in different proportions. The mixture was inserted between two plates, one graphite (hot plate) and the other aluminum (cold plate), thus obtaining a thermoelectric generator. Electrical voltage, output current, and electrical power were measured at different temperatures.

Comparison of Thermoelectric Generator (TEG) Performance Parameter Between Modelling and Simulation Results and Manufacturer Datasheet For HZ-20 & HZ-14

2015 ◽  
Vol 73 (3) ◽  
Author(s):  
Zamir Noor Abd Hamid ◽  
Norhaliza Abdul Wahab ◽  
M. Sultan M Ali ◽  
R. A. Rahim ◽  
M. Amri Yunos
Keyword(s):  
Computer Model ◽  
Thermoelectric Generator ◽  
Thermoelectric Module ◽  
Electrical Energy ◽  
Electrical Circuit ◽  
Equivalent Model ◽  
Fem Modeling ◽  
Thermo Electric ◽  
Electric Generator ◽  
Circuit Analogy

Currently, bio-medical and automotive industries use thermoelectric module to reproduce electrical energy from wasted heat energy. Thermoelectric generator (TEG) modeling and simulation will be hashed out further in this  paper to achieve improvement. Finite element method (FEM) model, circuit equivalent model and mathematical/computer model are various methods employed to model the thermo-electric generator. Analysis of FEM modeling requires a high tier of knowledge of an engineer in material engineering. The circuit equivalent model uses the electrical circuit analogy to describe heat transfer and electrical behavior in TEG. In this work, the mathematical derivation of circuit equivalent model is used in computer models by using Simulink (Matlab). The result of the computer model can be an alternative model for electrical or electronics engineers to improve TEG performance in the future. 

Performance Analysis of Multi-Layer Thermoelectric Generators to be Used in a Thermoelectric Generator-Stirling Engine Hybrid System

2015 ◽  
Author(s):  
Mohammed Waliur Rahman ◽  
Khamid Mahkamov
Keyword(s):  
Performance Analysis ◽  
Low Temperature ◽  
Hybrid System ◽  
Temperature Difference ◽  
Thermoelectric Generator ◽  
Thermal Flux ◽  
Stirling Engine ◽  
Total Power ◽  
Thermoelectric Generators ◽  
Study Results

This paper demonstrates the performance analysis of various arrangements of thermoelectric generators to be used for the combination of a Low Temperature Difference Stirling Engine-Thermoelectric Generator hybrid system. To estimate whether the deployed Stirling Engines will perform on satisfactory level it is necessary to determine if a sufficient thermal flux can be provided to the heating part of the Low Temperature Difference Stirling Engine (LTD SE) from the “cold” side of the thermoelectric generator or their combination. This paper reports study results on the performance of a single layer and a cascaded two-layer thermoelectric generator made up of bulk material. These two generators were connected in series and in parallel to produce the combined thermoelectric module operating as a three-layer generator. Also computational data on the temperature distribution across the layers has been obtained using Finite Element Analysis as a part of ANSYS software. Results obtained demonstrate that both the single and two-layer generators provide sufficient heat flux to drive LTD SEs but the total power output from the two-layer generator-Stirling Engine system is considerable higher when the engine is coupled to a single and three-layered thermoelectric generator.

scholarly journals Comparative Analysis of Thermoelectric Generators Parameters

2021 ◽  
Vol 16 ◽  
pp. 14-17
Author(s):  
M. Bensaada ◽  
F. Metehri ◽  
S. Della Krachai
Keyword(s):  
Comparative Analysis ◽  
Thermoelectric Generator ◽  
Electrical Energy ◽  
Power Source ◽  
Thermoelectric Device ◽  
Thermoelectric Generators ◽  
Small Satellite ◽  
Space Applications ◽  
Future Design ◽  
Secondary Power

Other sources of energy in space applications remain unexploited such as heat. Indeed the exchange of heat is considered generally on board spacecraft as hostile, destructive and undesirable, thereby a different means are used to reduce its effect on board spacecraft. Heat being an important source of energy, it remains badly exploited on spacecraft and its applications remain limited. We present in this paper one of the methods used to convert heat energy to electrical energy by using thermoelectric device, the goal becomes therefore to choose a device capable to give a best performances through a comparative analysis between different commercial thermoelectric generator devices to be able subsequently to make a choice of the component to be used for future design. This analysis will allow us thereafter to design a thermoelectric generator as secondary power source for small satellite by exploiting the external thermal properties of the spacecraft on orbit.

scholarly journals The investigation of natural-rubber for improving self-powered heat detector based on thermoelectric generators

2021 ◽  
pp. 65-73
Author(s):  
Krittanon Prathepha ◽  
Worawat Sa-ngiamvibool
Keyword(s):  
Natural Rubber ◽  
Temperature Difference ◽  
Heat Sink ◽  
Thermoelectric Generator ◽  
Fire Hazard ◽  
Thermoelectric Generators ◽  
Cold Side ◽  
Rf Transmitter ◽  
Heat Sensor ◽  
Self Powered

Fire hazard has destroyed humanity creations. Fire detectors have been developed by using different techniques. Thermoelectric generator (TEG) is a part of energy harvesting which is able to convert heat into electricity because of temperature difference between hot and cold side of thermoelectric device (TE). Different materials are used for thermoelectric generators which depend on the characteristics of the heat source, heat sink and the design of the thermoelectric generator. Many thermoelectric generator materials are currently undergoing research. This paper presented an investigation of seeking an alternative way of detecting fire hazard by developing architecture prototype of a fire detection technique using natural rubber. The thermoelectric prototype used self-powered device which improved the temperature difference gap and stabilized the cold side of TE alongside natural rubber as the cooling material. The technique is relatively simple system realization based on three viable components, i.e. a heat sensor, a low-power RF-transmitter and a RF-receiver. The heat sensor is designed and fabricated by thermoelectric and heat sink with natural rubber (NR) coating. The NR coating is heat absorption reduction. Therefore, the temperature difference is wildly resulting in the higher TE output voltage. The voltage is also supplied to the low-power RF transmitter module. In case of fire hazard, the temperature increases from 26 to 100 °C , the prototype can operate successfully. This technique will solve potentially the power supply issue in fluctuated situations. The rubber coating from rubber trees in Thailand would be a value chain added for bio-economy, supporting a sustainable development goal of the country

scholarly journals Topology optimized thermoelectric generator: a parametric study

2021 ◽  
Vol 0 (0) ◽  
Author(s):  
John Mativo ◽  
Kevin Hallinan ◽  
Uduak George ◽  
Greg Reich ◽  
Robin Steininger
Keyword(s):  
Topology Optimization ◽  
Thermoelectric Generator ◽  
Volume Fraction ◽  
Power Conversion ◽  
Power Production ◽  
Power Reduction ◽  
Void Volume Fraction ◽  
Thermoelectric Generators ◽  
Maximal Power ◽  
Design Yield

Abstract Typical thermoelectric generator legs are brittle which limits their application in vibratory and shear environments. Research is conducted to develop compliant thermoelectric generators (TEGs) capable of converting thermal loads to power, while also supporting shear and vibratory loads. Mathematical structural, thermal, and power conversion models are developed. Topology optimization is employed to tailor the TEG design yield maximal power production while sustaining the applied shear and vibratory loads. As a specific example, results are presented for optimized TEG legs with a void volume fraction of 0.2 that achieve compliance shear displacement of 0.0636 (from a range of 0.0504 to 0.6079). In order to achieve the necessary compliance to support the load, the power reduction is reduced by 20% relative to similarly sized void free TEG legs.

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