4.7 Article

Experimental investigation of a novel thermoelectric generator design for exhaust waste heat recovery in a gas-fueled SI engine

Related references

Note: Only part of the references are listed.
Article Thermodynamics

Effect of harvesting module design on the thermal performance and voltage generation of a thermoelectric oscillating heat pipe

J. Gabriel Monroe et al.

Summary: A thermoelectric oscillating heat pipe converts temperature potential into electricity by utilizing cyclic fluid enthalpy. The experimental investigation on a tubular oscillating-magnet OHP showed that it operated effectively with water as the working fluid, generating electrical voltages under certain conditions.

APPLIED THERMAL ENGINEERING (2022)

Article Thermodynamics

Thermal and acoustic performance of silencing heat exchanger for engine waste heat recovery

Lingfeng Shi et al.

Summary: An integrated design of a silencing heat exchanger that merges an exhaust heat exchanger with an impedance composite muffler has been proposed in this study. By utilizing metal foam material instead of sound absorbing material, the modified silencing heat exchanger achieved improved heat transfer and flow performance, as well as enhanced silence effect in the middle and high frequency band. The overall transmission loss was found to be 44.4% higher than the basic structure, with an 8.4% reduction in exhaust pressure drop.

APPLIED THERMAL ENGINEERING (2022)

Article Thermodynamics

Experimental investigation of heat pipe thermoelectric generator

Yulong Zhao et al.

Summary: Thermoelectric generators can generate electricity from low-temperature energy sources like solar and geothermal energy. Heat pipes are used to increase the hot end temperature of thermoelectric modules to improve conversion efficiency. Increasing heating power reduces thermal resistance and enhances efficiency, while adding more modules increases thermal resistance and decreases hot end temperature.

ENERGY CONVERSION AND MANAGEMENT (2022)

Article Thermodynamics

Structural optimization of thermoelectric modules in a concentration photovoltaic-thermoelectric hybrid system

Minghui Ge et al.

Summary: This study investigated the influence of the structural parameters of a thermoelectric generator on the system efficiency of a photovoltaic-thermoelectric hybrid system. An optimal structural parameter for the TEG was identified, along with an analysis of its relationship with CPV temperature coefficient, concentration ratio, and cooling heat transfer coefficient.

ENERGY (2022)

Article Energy & Fuels

Characteristics analysis of an exhaust thermoelectric generator system with heat transfer fluid circulation

Yulong Zhao et al.

Summary: The article introduces a new design of thermoelectric generator, which improves overall thermoelectric performance by enhancing heat transfer in the exhaust channel. The research finds that the net output power of the new generator can be significantly increased, while the number of modules can be greatly reduced.

APPLIED ENERGY (2021)

Article Thermodynamics

Exhaust waste energy recovery using Otto-ATEG-Stirling engine combined cycle

Sadegh Hasanpour Omam

Summary: In this study, exhaust heat dissipation of a gasoline engine was recovered using the Stirling cycle and thermoelectric modules. A redesigned Stirling engine heater was modeled and analyzed in Ansys CFX software to improve the overall performance. The combined cycle power and efficiency increased by about 7% and 2.5%, while fuel consumption decreased by approximately 8%.

APPLIED THERMAL ENGINEERING (2021)

Article Energy & Fuels

Analytical and Experimental Study of Thermoelectric Generator (TEG) System for Automotive Exhaust Waste Heat Recovery

Faisal Albatati et al.

Summary: The study focuses on the thermal design and experimental validation of waste heat recovery from the exhaust of semi-truck engines using a TEG system, with optimized parameters for maximum power output. Analytical and experimental results show good agreement with a marginal deviation, indicating the accuracy of the effective material properties applied to the system.

ENERGIES (2021)

Article Thermodynamics

Grey relational based Taguchi analysis on thermal and electrical performances of thermoelectric generator system with inclined fins hot heat exchanger

Jae-Hyeong Seo et al.

Summary: In this study, grey relational based Taguchi analysis was used to optimize the thermal and electrical performances of a thermoelectric generator system with an inclined fins hot heat exchanger. The experimentally validated model considered factors like mass flow rate, temperature, design, and gap between fins for optimizing the system. The results showed the specific order of influence of factors on thermal, electrical, and combined thermal-electrical performances, leading to the identification of the optimal combination with the highest performance parameters.

APPLIED THERMAL ENGINEERING (2021)

Article Thermodynamics

Thermoelectric performance of an exhaust waste heat recovery system based on intermediate fluid under different cooling methods

Yulong Zhao et al.

Summary: This study established a mathematical model of an intermediate-fluid TEG system and analyzed the influences of cooling methods and condensed-boiling heat transfer performance in the cavity on the thermoelectric performance. The results showed that the new generator exhibited better characteristics under both water-cooling and air-cooling methods.

CASE STUDIES IN THERMAL ENGINEERING (2021)

Article Green & Sustainable Science & Technology

A Predictive Approach to Optimize a HHO Generator Coupled with Solar PV as a Standalone System

Osama Majeed Butt et al.

Summary: This study explores the production of clean HHO gas by coupling an oxyhydrogen electrolyzer with a solar PV system, aiming to achieve independence from the electric grid. A strategy is developed to make the electrolyzer operate solely on solar PV power, with a DC-DC buck converter and algorithm maximizing power transfer efficiency. The converter also ensures optimal operating conditions for the electrolyzer to prevent overheating, with an efficiency of 94% shown in testing.

SUSTAINABILITY (2021)

Article Thermodynamics

Experimental study on thermoelectric power generation based on cryogenic liquid cold energy

Minghui Ge et al.

Summary: This study designed and built a thermoelectric power generation system for cold energy. The experimental results showed that the temperature difference between the hot and cold ends increased in the liquid-phase and two-phase regions, but decreased and then increased in the gas-phase region. The poor heat transfer capacity at the hot end of the generator restricted the improvement of the temperature difference at the hot and cold ends.

ENERGY (2021)

Article Thermodynamics

An experimental investigation on the performance of TEGs with a compact heat exchanger design towards low-grade thermal energy recovery

Wei Yang et al.

Summary: A novel compact heat exchanger design for modular assembly of thermoelectric generator (TEG) system was proposed, increasing the TEG system's performance with high volumetric power density and low power consumption by considering uniform temperature distribution and flow resistance. The design provides a potential solution for large-scale applications of TEG system in harvesting low-grade thermal energy.

APPLIED THERMAL ENGINEERING (2021)

Article Energy & Fuels

Thermoelectric Generation in Hybrid Electric Vehicles

Muhamad Shazrul bin Dzulkfli et al.

ENERGIES (2020)

Review Green & Sustainable Science & Technology

A comprehensive review of organic rankine cycle waste heat recovery systems in heavy-duty diesel engine applications

Bin Xu et al.

RENEWABLE & SUSTAINABLE ENERGY REVIEWS (2019)

Article Thermodynamics

Energy and exergy analysis of thermoelectric generator system with humidified flue gas

Yulong Zhao et al.

ENERGY CONVERSION AND MANAGEMENT (2018)

Review Green & Sustainable Science & Technology

A review of modified Organic Rankine cycles (ORCs) for internal combustion engine waste heat recovery (ICE-WHR)

Lingfeng Shi et al.

RENEWABLE & SUSTAINABLE ENERGY REVIEWS (2018)

Article Thermodynamics

The theoretical performance evaluation of hybrid PV-TEG system

Challa Babu et al.

ENERGY CONVERSION AND MANAGEMENT (2018)

Article Green & Sustainable Science & Technology

Performance analysis of thermoelectric generator using dc-dc converter with incremental conductance based maximum power point tracking

Ssennoga Twaha et al.

ENERGY FOR SUSTAINABLE DEVELOPMENT (2017)

Article Engineering, Electrical & Electronic

Maximum Power Point Tracking Converter Based on the Open-Circuit Voltage Method for Thermoelectric Generators

Andrea Montecucco et al.

IEEE TRANSACTIONS ON POWER ELECTRONICS (2015)

Review Green & Sustainable Science & Technology

Power generation from waste of IC engines

Ataur Rahman et al.

RENEWABLE & SUSTAINABLE ENERGY REVIEWS (2015)

Article Thermodynamics

Effect of pin fin to channel height ratio and pin fin geometry on heat transfer performance for flow in rectangular channels

Jaideep Pandit et al.

INTERNATIONAL JOURNAL OF HEAT AND MASS TRANSFER (2014)

Article Thermodynamics

Multiscale modeling of thermoelectric generators for the optimized conversion performance

Siyi Zhou et al.

INTERNATIONAL JOURNAL OF HEAT AND MASS TRANSFER (2013)

Article Thermodynamics

A simulation study of automotive waste heat recovery using a thermoelectric power generator

Chien-Chou Weng et al.

INTERNATIONAL JOURNAL OF THERMAL SCIENCES (2013)

Article Engineering, Mechanical

Testing of an automobile exhaust thermoelectric generator in a light truck

E. F. Thacher et al.

PROCEEDINGS OF THE INSTITUTION OF MECHANICAL ENGINEERS PART D-JOURNAL OF AUTOMOBILE ENGINEERING (2007)