Zhiwei Xuan, Minghui Ge, Chenyang Zhao, Yanzhe Li, Shixue Wang, Yulong Zhao,
... before irradiating hot sides in solar thermoelectric generators (STEGs) to increase the temperature difference between hot and ... nonuniform. This condition affects the output performance of STEGs. Herein, a thermal–electric coupled model of STEGs was constructed to investigate the thermoelectric performance of STEGs under nonuniform solar radiation. Results demonstrate that when ... facilitates the increase in the output power of STEGs. When the concentration ratio is 60, output power ... 44 K. When the concentration ratio is high, STEG output power peaks under a specific nonuniformity, and ...
Tópico(s): Thermal properties of materials
2024 - Elsevier BV | Energy
Hyeonmin Jo, Younghwan Joo, Duckjong Kim,
... creating highly efficient and stable solar thermoelectric generators (STEGs). Phase change materials (PCMs) can be used to improve the performance of STEGs. In this study, we numerically investigate the heat ... energy storage, and thermoelectric energy conversion in an STEG with PCMs (STEG-PCM). Based on a parametric study, we present thermal design guidelines for the configurations of an STEG-PCM and the thermal properties of PCMs by ... thermoelectric generation performance and thermal stability of the STEG-PCM. We also show that the PCM-impregnated ...
Tópico(s): Thermal Radiation and Cooling Technologies
2022 - Elsevier BV | Energy
Solar thermoelectric generators (STEGs), which convert solar thermal energy into electricity, are studied as an environmentally friendly energy source. The unique properties of ... essential factors in the solar-receiving components of STEGs. Herein, STEG power generation is enhanced through optical and thermal ... as a cost-effective solar absorber for the STEG. Under 1-sun (1 k W m −2 ) illumination, power generation of the STEG with the aerogel window is 21% and 17% higher than that of glass-covered and uncovered STEGs, respectively. To demonstrate the performance of aerogel in ...
Tópico(s): Solar Thermal and Photovoltaic Systems
2021 - Elsevier BV | Solar Energy Materials and Solar Cells
Philippe Gabríel Steg, Deepak L. Bhatt,
... Net Clinical Benefit in Testing Antithrombotics? Philippe Gabriel Steg, MD and Deepak L. Bhatt, MD, MPH Philippe Gabriel StegPhilippe Gabriel Steg FACT, French Alliance for Cardiovascular Trials; Hôpital Bichat, ... part of the Investissements d'Avenir program.DisclosuresDr Steg discloses the following relationships: Research grant from Bayer, ... American Heart Association.http://circ.ahajournals.orgPhilippe Gabriel Steg, MD, INSERM U1148, Département de Cardiologie, Hôpital Bichat, ... Lassila R, Storey RF, Sorbets E, Wallentin L, Steg PG. Association of spontaneous and procedure-related bleeds ...
Tópico(s): Antiplatelet Therapy and Cardiovascular Diseases
2018 - Lippincott Williams & Wilkins | Circulation
Philippe Gabríel Steg, Adrian Cheong,
... Longer What It Used to Be Philippe Gabriel Steg, MD and Adrian Piers Cheong, MD Philippe Gabriel StegPhilippe Gabriel Steg From Université Paris-Diderot, DHU FIRE, Paris, France ( ... cardiology has sought greater specialization and autonomy.DisclosuresDr Steg reports receiving research grants (to his institution) from ... Sanofi, Servier, The Medicines Company, and Vivus. Dr Steg is a stockholder in Aterovax. Dr Cheong reports ... the American Heart Association.Correspondence to Philippe Gabriel Steg, MD, Département Hospitalo-Universitaire FIRE, Service de Cardiologie, ...
Tópico(s): Antiplatelet Therapy and Cardiovascular Diseases
2014 - Lippincott Williams & Wilkins | Circulation
Dongyue Jiang, Zeng Fan, Ming Dong, Yan Shang, Xiaohua Liu, Guijun Chen, Sufen Li,
Solar thermoelectric generator (STEG) system has been intensively studied due to its reliability and environment-friendly property. In a STEG system, a solar absorber is an important component ... loss. In this study, a selective absorber enhanced STEG system (SA-STEG) is presented. A Titanium nitride (TiN) based 2D ... selective absorptivity data were imported into the SA-STEG model and an improvement was obtained: for a Lead telluride STEG system, a 28 K temperature increase was achieved, and for a Silicon germanium alloy STEG system a 32 K temperature increase was achieved. ...
Tópico(s): Thermal Expansion and Ionic Conductivity
2018 - Elsevier BV | Applied Thermal Engineering
Francisco J. Montero, Ravita Lamba, Alfonso Ortega, Wolfram Jahn, Wei‐Hsin Chen, Amador M. Guzmán,
A solar thermoelectric generator (STEG) is a promising technology for harvesting solar energy for standalone applications. However, the STEG cannot generate electricity during nighttime due to unavailability ... side using phase change materials (PCMs). Further, the STEG systems operating during day and nighttime are not ... a bidirectional (operative in day and night both) STEG coupled with latent heat storage and cooling system ( ... side temperatures, voltage, power output and efficiency of STEG have been analyzed. A maximum temperature difference of ...
Tópico(s): Phase Change Materials Research
2023 - Elsevier BV | Applied Thermal Engineering
Shaun G. Goodman, Philippe Gabríel Steg, Yann Poulouin, Deepak L. Bhatt, Vera Bittner, Rafael Díaz, Geneviève Garon, Robert A. Harrington, J. Wouter Jukema, Garen Manvelian, Wanda Stipek, Michael Szarek, Harvey D. White, Gregory G. Schwartz,
... ODYSSEY OUTCOMES Trial Shaun G. Goodman, Philippe Gabriel Steg, Yann Poulouin, Deepak L. Bhatt, Vera A. Bittner, ... Toronto, , Ontario, , Toronto, , Canada, , Philippe Gabriel StegPhilippe Gabriel Steg https://orcid.org/0000-0001-6896-2941 , Université ... in Myocardial Infarction) Study Group (Brigham Health). Dr Steg reports grants, personal fees, and nonfinancial support from ... BMS, Boehringer Ingelheim, Idorsia, Pfizer, and Novartis. Dr Steg has a patent use of alirocumab to reduce ... editorial decision, and final disposition.References1 Schwartz GG, Steg PG, Szarek M, Bhatt DL, Bittner VA, Diaz ...
Tópico(s): Biosimilars and Bioanalytical Methods
2023 - Wiley | Journal of the American Heart Association
... Analysis of the ODYSSEY OUTCOMES Randomized Clinical Trial," Steg et al2 concluded, "Alirocumab added to intensive statin ... from any cause. In the follow-up report, Steg et al2 noted that death resulting from any ... mortality with alirocumab be scientifically plausible? According to Steg et al,2 "The majority of the difference ... reduce overall mortality.So was the focus of Steg et al on a nominally significant finding an ... everybody? My sense is neither is correct. The Steg et al publication was an opportunity to more ...
Tópico(s): Statistical Methods in Clinical Trials
2019 - Lippincott Williams & Wilkins | Circulation
Bo Meng, Wei Tang, Zhi-han Too, Xiaosheng Zhang, Mengdi Han, Wen Liu, Haixia Zhang,
We present a single-friction-surface triboelectric generator (STEG). The STEG is transparent and flexible, making possible the use ... cost way. When tapped with a finger, the STEG with micro-patterned PDMS surface achieved an open- ... density of about 1 μA cm−2. A STEG with a flat PET surface is employed as ... from the control motion of the users. The STEG can directly power 3 LEDs when the phone ... during normal use. In addition, based on the STEG, we have developed a self-powered visualized touch sensor with 4 STEGs serving as the touch pads. The STEG shows ...
Tópico(s): Innovative Energy Harvesting Technologies
2013 - Royal Society of Chemistry | Energy & Environmental Science
Wabi Demeke, Byungki Ryu, Seunghwa Ryu,
Segmented thermoelectric generators (STEGs) provide an excellent platform for thermal energy harvesting devices because they improve power generation performance across a broad range ... of direct thermal energy-to-electricity conversion, conventional STEG optimization approaches are unable to provide a systematic ... based on machine learning to find the optimal STEG for performance maximization. A deep neural network (DNN) ... via active learning (AL) by incorporating new superior STEG designs to enhance prediction accuracy. The optimized STEGs ...
Tópico(s): Innovative Energy Harvesting Technologies
2023 - Elsevier BV | Applied Energy
Yin Zhang, Kailun Guo, Chenglong Wang, Simiao Tang, Dalin Zhang, Wenxi Tian, G.H. Su, Suizheng Qiu,
... dynamic conversion and static conversion. Segmented thermoelectric generator (STEG) is a typical static conversion, but there is ... pipe reactor. Therefore, we have to design the STEG used in the heat pipe reactor. Firstly, we successfully simulated the STEG in COMSOL 5.5 and optimized the geometry ... conditions is carried out to determine the optimal STEG geometry. Then, the optimal STEG is connected with a heat pipe to form ... performance can reach 15.75% for a single STEG, and the maximum stress is about 270 MPa. ...
Tópico(s): Thermal Radiation and Cooling Technologies
2021 - Elsevier BV | Applied Thermal Engineering
Charles E. Howard, Vijay Nambi, Hani Jneid, Umair Khalid,
... LinkGoogle Scholar2 Bonaca MP, Bhatt DL, Cohen M, Steg PG, Storey RF, Jensen EC, Magnani G, Bansilal ... 2015; 372:1791–1800.CrossrefMedlineGoogle Scholar3 Helft G, Steg PG, Le Feuvre C, Georges JL, Carrie D, ... DJ, Yeh RW, Driscoll‐Shempp P, Cutlip DE, Steg PG, Normand SL, Braunwald E, Wiviott SD, Cohen ... Montalescot G, Neumann FJ, Peticevic M, Roffi M, Steg PG, Windecker S, Zamorano JL. 2017 ESC focused ... Normand SL, Gershlick AH, Cohen DJ, Spertus JA, Steg PG, Cutlip DE, Rinaldi MJ, Camenzind E. Development ...
Tópico(s): Acute Myocardial Infarction Research
2019 - Wiley | Journal of the American Heart Association
Philippe Gabríel Steg, Ronan Roussel,
... Safety of Antihyperglycemic MedicationsA Worthwhile Effort? Philippe Gabriel Steg, MD and Ronan Roussel, MD, PhD Philippe Gabriel StegPhilippe Gabriel Steg From French Alliance for Cardiovascular Clinical Trials (FACT), ... and has received research funding from Sanofi.Dr Steg has received research funding from Merck, Sanofi, and ... http://circ.ahajournals.org.Correspondence to: Philippe Gabriel Steg, MD, Cardiology, Hôpital Bichat, 46 Rue Henri Huchard ... Google Scholar2. Scirica BM, Bhatt DL, Braunwald E, Steg PG, Davidson J, Hirshberg B, Ohman P, Frederich ...
Tópico(s): Lipoproteins and Cardiovascular Health
2016 - Lippincott Williams & Wilkins | Circulation
M. Zare, Hadi Ramin, S. Naemi, Reza Hosseini,
... observed in the studies of segmented thermoelectric generators (STEGs). Because of simplicity, the approximate methods are widely used for design and optimization of the STEGs. This study is focused on employment of exact method for design and optimization of STEGs and comparison of exact and approximate results. Thus, using new highly efficient thermoelectric materials, four STEGs are proposed to operate in the temperature range of 300 to 1300 kelvins. The proposed STEGs are optimally designed to achieve maximum efficiency. Design ...
Tópico(s): Thermal properties of materials
2016 - Hindawi Publishing Corporation | International Journal of Chemical Engineering
Lauryn L. Baranowski, G. Jeffrey Snyder, Eric S. Toberer,
Solar thermoelectric generators (STEGs) are solid state heat engines that generate electricity from concentrated sunlight. In this paper, we develop a novel detailed balance model for STEGs and apply this model to both state-of- ... this modeling allow us to predict maximum theoretical STEG efficiencies and suggest general design rules for STEGs. With today's materials, a STEG with an incident flux of 100 kW m− ... C could achieve 15.9% generator efficiency, making STEGs competitive with concentrated solar power plants. Future developments ...
Tópico(s): Perovskite Materials and Applications
2012 - Royal Society of Chemistry | Energy & Environmental Science
Philippe Gabríel Steg, Batric Popovic,
... Cardiac ArrestIs It Essential or Futile? Philippe Gabriel Steg, MD and Batric Popovic, MD Philippe Gabriel StegPhilippe Gabriel Steg From the French Alliance for Cardiovascular Trials (FACT), ... clinicaltrials.gov, or https://www.isrctn.com.DisclosuresDr Steg has received a research grant from Bayer, Merck, ... the American Heart Association.Correspondence to Philippe Gabriel Steg, MD, INSERM U1148, Département de Cardiologie, Hôpital Bichat, ... CIRCINTERVENTIONS.117.005346.LinkGoogle Scholar6. de Silva R, Steg PG. Identifying patients with acute total coronary occlusion ...
Tópico(s): Mechanical Circulatory Support Devices
2018 - Lippincott Williams & Wilkins | Circulation Cardiovascular Interventions
José Ramón González‐Juanatey, Gilles Lemesle, Étienne Puymirat, Grégory Ducrocq, Marine Cachanado, Joan Albert Arnáiz, Manuel Martínez‐Sellés, Johanne Silvain, Albert Ariza‐Solé, Émile Ferrari, Gonzalo Calvo, Nicolas Danchin, C. Avendaño, Alexandra Rousseau, Éric Vicaut, Teba González-Ferrero, Philippe Gabríel Steg, Tabassome Simon,
... MD, PhD, Teba Gonzalez-Ferrero, MD, Philippe Gabriel Steg, MD, PhD, Tabassome Simon, MD, PhD and for ... papers by this author , Philippe Gabriel StegPhilippe Gabriel Steg https://orcid.org/0000-0001-6896-2941 Université ... Biocompatibles for participation on a steering committee. Dr Steg reports grants from Program de Recherche Medico Economique ... Novartis, Novo Nordisk, and Pfizer. In addition, Dr Steg has a patent as coinventor of the use ... E, Abergel H, Rousseau A, Simon T and Steg P (2022) Economic evaluation of restrictive vs. liberal ...
Tópico(s): Mechanical Circulatory Support Devices
2022 - Lippincott Williams & Wilkins | Circulation
Chika Maduabuchi, Kevwe Andrew Ejenakevwe, Chigbo A. Mgbemene,
... optimizing a bismuth telluride based solar thermoelectric generator (STEG) while estimating all system irreversibilities. This study aims ... simpler method of optimizing the performance of traditional STEGs without using segmentation or cascading. This is achieved ... Th), cold junction temperature, current and voltage on STEG power output, energy and exergy efficiencies, respectively. The ... indicate that for an OCR of 30, a STEG exergy efficiency of about 6.5% is obtained ... single-stage module. Also, a means of maximising STEG performance while reducing system irreversibilities to the barest ...
Tópico(s): Advanced Thermodynamics and Statistical Mechanics
2020 - Elsevier BV | Renewable Energy
Johan J. Estrada-López, A. Castillo Atoche, E. Sánchez‐Sinencio,
... presents the design of a solar thermoelectric generator (STEG) system for long-range wireless sensor networks in precision agriculture applications. The proposed STEG consists of a sunlight concentrator structure integrated with ... harvester circuit and a wireless sensor node. The STEG is assembled using an inexpensive 3-D printed ... adjusted to different sun exposure conditions. The proposed STEG prototype has been fabricated and tested. Measurement results demonstrate the STEG's capability of generating a maximum temperature difference ...
Tópico(s): Innovative Energy Harvesting Technologies
2019 - Institute of Electrical and Electronics Engineers | IEEE Sensors Letters
Guiqiang Li, Samson Shittu, Xiaoli Ma, Xudong Zhao,
... PV-TE) device and a solar thermoelectric generator (STEG). A three-dimensional finite element method is used to model the PV-TE and the STEG with different thermoelectric leg geometries. The performance of ... is investigated and compared with that of the STEG, and the optimum leg geometry for each device ... and this is different from that of the STEG under the same conditions. The PV-TE device ... same trend observed in the case of the STEG. Therefore, the optimum geometry for a stand-alone ... study will indicate the different optimum geometries of STEG and PV-TE, and also provide a solid ...
Tópico(s): Solar Thermal and Photovoltaic Systems
2019 - Elsevier BV | Energy
Minghui Ge, Zixuan Wang, Liansheng Liu, Jun Zhao, Yulong Zhao,
... from the performance viewpoint of solar thermoelectric generation (STEG) systems. This study proposes the use of spray ... an effective technique for use in applications involving STEG systems. A mathematical model has been established to analyze STEG systems from the perspective of net generating efficiency ... in maximization of the net generating efficiency of STEG systems. This maximum efficiency of 13.203% occurs ... increase with increase in the ZT value of STEG modules.
Tópico(s): Adsorption and Cooling Systems
2018 - Elsevier BV | Energy Conversion and Management
Akshay Bagai, Deepak L. Bhatt, John W. Eikelboom, G.B. John Mancini, Eric A. Cohen, Ram Vijayaraghavan, Asim N. Cheema, Jacob A. Udell, Joel Niznick, Jean‐François Tanguay, Subodh Verma, Shamir R. Mehta,
... Katus H, Mahaffey KW, Scirica BM, Skene A, Steg PG, Storey RF, Harrington RA, Freij A, Thorsén ... 2411–2420.CrossrefMedlineGoogle Scholar5. Yeh RW, Kereiakes DJ, Steg PG, Windecker S, Rinaldi MJ, Gershlick AH, Cutlip ... Mak KH, Mas JL, Montalescot G, Pearson TA, Steg PG, Steinhubl SR, Weber MA, Brennan DM, Fabry- ... Mak KH, Mas JL, Montalescot G, Pearson TA, Steg PG, Steinhubl SR, Weber MA, Fabry-Ribaudo L, ... DJ, Yeh RW, Driscoll-Shempp P, Cutlip DE, Steg PG, Normand SL, Braunwald E, Wiviott SD, Cohen ... CrossrefMedlineGoogle Scholar14. Bonaca MP, Bhatt DL, Cohen M, Steg PG, Storey RF, Jensen EC, Magnani G, Bansilal ...
Tópico(s): Acute Myocardial Infarction Research
2016 - Lippincott Williams & Wilkins | Circulation
Lei Liu, Xue Sen Lu, Mao Lei Shi, Ya Kun, Jian Shi,
... model for a flat-plate solar thermoelectric generator (STEG) with sandwich-like structure is established in this ... other geometrical factors on the performance of the STEG are investigated by numerical calculations. The results indicate ... 6.5 W/kg, respectively, for Bi2Te3 based STEGs working in the Earth’s orbit. For PbTe based STEGs working in the orbits of Venus and Mercury, ... radiation, the conversion efficiency of a flat-plate STEG can be maintained at a relatively stable level ... device geometry, which is precisely the advantage of STEG when compared to photovoltaic devices.
Tópico(s): Advanced Thermodynamics and Statistical Mechanics
2016 - Elsevier BV | Solar Energy
Myoung Soo Kim, Minki Kim, Sung-Eun Jo, Chulmin Joo, Yong Jun Kim,
Abstract Solar thermoelectric generators (STEGs), which are used for various applications, (particularly small size electronic devices), have optical concentration systems for high energy conversion efficiency. In this study, a refraction-assisted STEG (R-STEG) is designed based on phase-change materials. As ... the peak energy conversion efficiencies of the R-STEG being 60% and 86% higher than those of the typical STEG at solar intensities of 1 kW m −2 ... characteristic of PCM and optical concentration systems of STEGs.
Tópico(s): Thermal Radiation and Cooling Technologies
2016 - Nature Portfolio | Scientific Reports
Wei Zhu, Yuan Deng, Gao Min, Yao Wang, Jiaolin Cui, Hongli Gao,
Thin-film STEGs (solar thermoelectric generators) show promise in effective use of solar energy as a power supply for wireless sensors ... distribution to improve the performance of thin-film STEGs. The temperature distribution, heat flux, and voltage of a thin-film STEG are simulated using the finite element method, resulting ... conductive layer, and thermoelectric legs of thin-film STEGs. The effect of air convection on the STEG's performance is also studied. Based on the simulation, a thin-film STEG was designed and fabricated, which exhibits an open- ...
Tópico(s): Thermal properties of materials
2015 - Elsevier BV | Energy
Benjamin M. Scirica, Eugene Braunwald, Itamar Raz, Matthew A. Cavender, David A. Morrow, Petr Jarolı́m, Jacob A. Udell, Ofri Mosenzon, KyungAh Im, Amarachi Umez-Eronini, Pia S. Pollack, Boaz Hirshberg, Robert Frederich, Basil S. Lewis, Darren K. McGuire, Jaime A. Davidson, Philippe Gabríel Steg, Deepak L. Bhatt,
... McGuire, MD, MHSc Jaime Davidson, MD, PhD Gabriel Steg, MD Deepak L. Bhatt, MD, MPH Benjamin M. ... Texas Southwestern Medical Center, Dallas, TX Gabriel StegGabriel Steg Département Hospitalo-Universitaire FIRE, INSERM U-1148, Université ... Internal MedicineUniversity of Texas Southwestern Medical CenterDallas, TXGabriel Steg, MDDépartement Hospitalo-Universitaire FIREINSERM U-1148Université Paris-DiderotHôpital ... Group during the conduct of the study. Dr Steg reports personal fees from AstraZeneca, during the conduct ...
Tópico(s): Heart Failure Treatment and Management
2015 - Lippincott Williams & Wilkins | Circulation
Michele L. Olsen, Emily L. Warren, Philip A. Parilla, Eric S. Toberer, Cheryl Kennedy, G. Jeffrey Snyder, Samad Firdosy, Bill Nesmith, Andriy Zakutayev, Alan Goodrich, Craig Turchi, Judy Netter, Matthew H. Gray, Paul F. Ndione, Robert Tirawat, Lauryn L. Baranowski, Allison Gray, David S. Ginley,
Solar thermoelectric generators (STEGs) have the potential to convert solar energy at greater than 15% efficiency. This project investigates the system design, the ... optical technologies, and the economic feasibility of the STEG approach. A STEG is a solid-state heat engine that converts ... directly into DC electricity through the thermoelectric effect. STEGs consist of three subsystems: the solar absorber, the ... selective absorbers, and thermal cavities. We will test STEGs at NREL's high flux solar furnace (HFSF) ...
Tópico(s): Advanced Thermodynamics and Statistical Mechanics
2014 - Elsevier BV | Energy Procedia
Daniel Kraemer, Kenneth McEnaney, Matteo Chiesa, Gang Chen,
... an optimization methodology for terrestrial solar thermoelectric generators (STEGs). We describe, discuss, and justify the necessary constraints on the STEG geometry that make the STEG optimization independent of individual dimensions. A simplified model shows that the thermoelectric elements in STEGs can be scaled in size without affecting the ... system cost. As an example, a Bi2Te3-based STEG is optimized for rooftop power generation. Peak efficiency ... thermoelectric material cost below 0.05 $/Wp. Integrating STEGs into solar hot water systems for cogeneration adds ...
Tópico(s): Energy Harvesting in Wireless Networks
2012 - Elsevier BV | Solar Energy
Sam Schulman, Frederick A. Spencer,
... Mahaffey K.W. Scirica B.M. Skene A. Steg P.G. Storey R.F. Harrington R.A. ... Mas J.L. Montalescot G. Pearson T.A. Steg P.G. et al.Clopidogrel and aspirin versus ... Mahaffey K.W. Scirica B.M. Skene A. Steg P.G. Storey R.F. Harrington R.A. ... Mas J.L. Montalescot G. Pearson T.A. Steg P.G. et al.Clopidogrel and aspirin versus ... Mas J.L. Montalescot G. Pearson T.A. Steg P.G. et al.Clopidogrel and aspirin versus ... Mahaffey K.W. Scirica B.M. Skene A. Steg P.G. Storey R.F. Harrington R.A. ...
Tópico(s): Acute Myocardial Infarction Research
2010 - Elsevier BV | Journal of Thrombosis and Haemostasis