Characteristics of Dimethyl Ether Oxidation in a Preheated Pt-γ-Al<sub>2</sub>O<sub>3</sub> Catalytic Reactor

Wu, Chih Yung; Yu, Wan Ching; Cheng, Ching Ching

doi:10.1080/00102202.2020.1748608

Cited by 9 publications

(2 citation statements)

References 31 publications

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“…The EI unit is a dimensionless quantity and is expressed in g/kg, which is the ratio of the mass of the pollutant species (m i,emitted ) to the mass of the fuel burned ðm f ,burned Þ. The results of EI i are calculated using dry mole fractions as follows (Wu et al [42]):…”

Section: Methodsmentioning

confidence: 99%

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A Study on an Unpressurized Medium-Temperature-Differential Stirling Engine Integrated with a New Spiral-Patterned Flat-Flame Burner and a New Spiral-Finned Hot-End Plate

Chen

Currao

et al. 2023

International Journal of Energy Research

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The present study experimentally investigates the performance of a power generator constituted by an unpressurized Stirling engine coupled with a new flat-flame burner. The operative temperature differential of the Stirling engine is within the medium range (around 400 K or less). In this work, there are two types of the engine’s hot-end-plate designs, a conventional flat plate and the new type with spiral fins developed within this framework. Consequently, the new hot-end-plate design forms spiral-patterned channels to enhance the engine’s heat input rate, thus partly compensating for the inherently low thermal efficiency of an unpressurized engine. The spiral fins are used to increase the resident time of the flue gas and increase the heat-transfer area. In addition, engine performance is measured for two types of fuels, namely, DME (renewable) and propane (fossil). Using propane, the new hot-end plate allows for a maximum electric power output of 24.6 W, which is typically superior to common unpressurized Stirling engines. Compared to the conventional hot-end plate, the new hot-end plate improved electric power output and the thermal-to-electric efficiency up to 63% and 47%, respectively. The study also proved the effectiveness of applying the integration of the new hot-end plate and the new flat-flame burner on boosting the power output of the present Stirling engine generator.

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Section: Methodsmentioning

confidence: 99%

“…Since DME and propane chemical properties are similar, it can be regarded as an environmentally friendly biobased energy carrier that is suitable for use in heating and power generation. Additionally, DME can be utilized to replace LPG in domestic and industrial applications (Wu et al [42]).…”

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confidence: 99%

A Study on an Unpressurized Medium-Temperature-Differential Stirling Engine Integrated with a New Spiral-Patterned Flat-Flame Burner and a New Spiral-Finned Hot-End Plate

Chen

Currao

et al. 2023

International Journal of Energy Research

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An empirical formula to predict the overall irreversibility of counter-flow premixed flames of methane and its mixtures

2022

J Therm Anal Calorim

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Performance and combustion study of a low heat rejection engine running with biogas–diethyl ether–diesel

Mishra,

Pradhan,

Jena

2023

Waste Dispos. Sustain. Energy

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Characteristics of Dimethyl Ether Oxidation in a Preheated Pt-γ-Al₂O₃ Catalytic Reactor

Cited by 9 publications

References 31 publications

A Study on an Unpressurized Medium-Temperature-Differential Stirling Engine Integrated with a New Spiral-Patterned Flat-Flame Burner and a New Spiral-Finned Hot-End Plate

A Study on an Unpressurized Medium-Temperature-Differential Stirling Engine Integrated with a New Spiral-Patterned Flat-Flame Burner and a New Spiral-Finned Hot-End Plate

An empirical formula to predict the overall irreversibility of counter-flow premixed flames of methane and its mixtures

Performance and combustion study of a low heat rejection engine running with biogas–diethyl ether–diesel

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Characteristics of Dimethyl Ether Oxidation in a Preheated Pt-γ-Al2O3 Catalytic Reactor

Cited by 9 publications

References 31 publications

A Study on an Unpressurized Medium-Temperature-Differential Stirling Engine Integrated with a New Spiral-Patterned Flat-Flame Burner and a New Spiral-Finned Hot-End Plate

A Study on an Unpressurized Medium-Temperature-Differential Stirling Engine Integrated with a New Spiral-Patterned Flat-Flame Burner and a New Spiral-Finned Hot-End Plate

An empirical formula to predict the overall irreversibility of counter-flow premixed flames of methane and its mixtures

Performance and combustion study of a low heat rejection engine running with biogas–diethyl ether–diesel

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Product

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Characteristics of Dimethyl Ether Oxidation in a Preheated Pt-γ-Al₂O₃ Catalytic Reactor