Statistical analysis of patent data relating to the organic Rankine cycle

Fu, Ben-Ran; Hsu, Sung-Wei; Liu, Chih-Hsi; Liu, Yu-Ching

doi:10.1016/j.rser.2014.07.070

Cited by 23 publications

(10 citation statements)

References 28 publications

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“…Organic Rankine cycles (ORCs) are used to recover low-grade waste heat (temperatures ranging between 80 and 300°C) and convert it to power. Fu et al [1] conducted a statistical analysis of patent data relating to ORC and found that after 2006, many researchers and companies began developing small-scale ORC systems because of increased energy prices. In 2011, Tchanche et al [2] reviewed the conversion of low-grade heat into power in various ORC application studies.…”

Section: Introductionmentioning

confidence: 99%

Design and preliminary results of a 20-kW transcritical organic Rankine cycle with a screw expander for low-grade waste heat recovery

Hsieh

Wang

et al. 2017

Applied Thermal Engineering

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Section: Introductionmentioning

confidence: 99%

Design and preliminary results of a 20-kW transcritical organic Rankine cycle with a screw expander for low-grade waste heat recovery

Hsieh

Wang

et al. 2017

Applied Thermal Engineering

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“…Many previous studies focused on only the number of patent applications, which is affected by both the priority for inventions and scale of the research activity (Dubarić et al, 2013;Fu et al, 2014). This study attempts to derive pure priority for inventions from patent application data by 2 Zero values in the dataset cause problems in the formulation of the decomposition because of the properties of logarithmic functions.…”

Section: This Decomposition Technique Is Called the Logarithmic Mean mentioning

confidence: 99%

“…The other method utilizes patent application data (Dubarić et al, 2013;Fu et al, 2014). Patent application data can reflected inventors' research and development activities.…”

Section: Datamentioning

confidence: 99%

Decomposition analysis of green chemical technology inventions from 1971 to 2010 in Japan

Fujii

2016

Journal of Cleaner Production

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Abstract:Green chemistry plays an important role in achieving sustainable development. This study examines the determinant factors for technology invention related to green chemistry in Japan using patent application data and a decomposition analysis framework. Our main findings are that the number of green chemical technologies applied to production processes have increased because of the scale-up of overall research activities and increased priority. Additionally, the number of patent applications for green chemical technology-related product design and renewable energy increased mainly because of increased research priority. The differences in determinants among types of green chemical technology inventions are useful for formulating an effective policy to promote innovation in green chemical technology.

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“…This fact, in turn, encourages researchers to focus on greener and more efficient energy systems [18]. …”

Section: Environmental Issuementioning

confidence: 99%

Thermo-economic assessment of small-scale organic Rankine cycle for low-grade industrial waste heat recovery based on an experimental application

Pérez¹

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ACKNOWLEDGMENTSThe author is indebted to the Jaume I University for its financial support under the PhD grant PREDOC/2013/28 of 'Convocatòria d'ajudes predoctorals per a la formació de personal investigador del Pla de promoció de la investigació de la Universitat Jaume I de Castelló (Spain)' and the stay support E-2016-08 'Convocatòria d'ajudes per a realitzar estades temporals en altres centres d'investigació, per al personal docent i investigador de la Universitat Jaume 2016'. Also to thank greatly the Minister of Industry of 'Generalitat Valenciana' (Spain) for its financial assistance under project INIDIV2010022, and ExpanderTech (Rank®) and Keros-Cerámica for its collaboration under this project. AGRADECIMIENTOSQuisiera agradecer al director de la tesis, el Dr. Joaquín Navarro Esbrí, la oportunidad brindada y la confianza depositada en mí durante estos años. Gracias por esos consejos que me han permitido llegar hasta aquí.A mis amigos y compañeros del grupo de investigación ISTENER, Fran, Adrián, y Ángel habéis sido un apoyo fundamental para la consecución de este trabajo. A Fran especialmente quiero reconocerle la ayuda que me ha prestado para que este proyecto salga adelante.Hay buenos amigos que estoy seguro han marcado el carácter de esta tesis. Ivan Calvet, quiero agradecerte la fuerza que me has transmitido en cada uno de esos cafés. Sergio Balderrama, gracias por ese punto de vista siempre tan acertado. Y Miguel Manuel de Villena, no olvidaré la experiencia vivida a tu lado.Por supuesto, no hay paciencia más grande que la de aquél que te quiere. Así que gracias a mi familia, Peris -Pérez -Górriz -Pellicer -Llobregat, Baena -Urueña. Para mis padres, un ejemplo a seguir, y para Mar, con quien seguir el ejemplo. ABSTRACTNowadays, the environmental concern is leading researchers to focus on more sustainable energy systems. In this way, small-scale Organic Rankine Cycles (ORC) are receiving an increasing attention to produce electricity from low-grade heat sources.Among the different applications for the ORC adoption, this study focuses on industrial processes. This application raises a great interest due to its high amount of waste heat recoverable, but lacks of in-depth experimental investigations on the topic.Being aware of the economic feasibility relevance for the ORC adoption in practical applications, more cost-effective solutions are being explored in the literature through thermo-economic optimizations. However, the results achieved cannot be discussed with respect to actual projects implemented in industry, due to its absence.In light of this, this thesis proposes as novelty to conduct the thermoeconomic optimization from an experimental application in industry. In this manner, a comprehensive model of the system can be developed and validated from actual data. Accordingly, more realistic results can be reached to assess the economic feasibility of the optimized proposal under the different economic scenarios.The main results obtained in this study show that, by means of a multivariable optimiza...

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Statistical analysis of patent data relating to the organic Rankine cycle

Cited by 23 publications

References 28 publications

Design and preliminary results of a 20-kW transcritical organic Rankine cycle with a screw expander for low-grade waste heat recovery

Design and preliminary results of a 20-kW transcritical organic Rankine cycle with a screw expander for low-grade waste heat recovery

Decomposition analysis of green chemical technology inventions from 1971 to 2010 in Japan

Thermo-economic assessment of small-scale organic Rankine cycle for low-grade industrial waste heat recovery based on an experimental application

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