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Thermodynamic models and energy distribution of single-phase heated surface in a boiler under unsteady

Xiyan GUO, Yongping YANG

Frontiers in Energy 2011, Volume 5, Issue 1,   Pages 69-74 doi: 10.1007/s11708-010-0117-7

Abstract: coal-fired power unit frequently operates under unsteady conditions; thus, in order to acquire scientific energyanalysis of the unit, thermodynamic analysis of a single-phase heated surface in a boiler under suchProcesses are analyzed, and distributions of energy and exergy are qualitatively revealed.Models for energy analysis, entropy analysis, and exergy analysis of control volumes and irreversibleTaking the low-temperature superheater of a 610 t/h-boiler as an example, the distribution of energy,

Keywords： thermodynamic model     energy distribution     boiler     unsteady conditions    

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Hysteretic behavior of cambered surface steel tube damper: Theoretical and experimental research

Frontiers of Structural and Civil Engineering 2023, Volume 17, Issue 4,   Pages 606-624 doi: 10.1007/s11709-023-0925-6

Abstract: A novel cambered surface steel tube damper (CSTD) with a cambered surface steel tube and two concaveThe steel tube is the main energy dissipation component and comprises a weakened segment in the middleThe result shows that the CSTD yields a stable hysteretic response and affords excellent energy dissipationCompared with equal-stiffness design steel tube dampers, the CSTD exhibits better energy dissipation

Keywords： cambered surface steel tube damper     energy dissipation capacity     finite element model     hysteretic performance    

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Characteristics and application of road absorbing solar energy

Zhihua ZHOU, Shan HU, Xiaoyan ZHANG, Jian ZUO

Frontiers in Energy 2013, Volume 7, Issue 4,   Pages 525-534 doi: 10.1007/s11708-013-0278-2

Abstract: If the heat of road surface can be stored in summer, the road surface temperature will be decreased toA road-solar energy system was built in this study, and the heat transfer mechanism and effect of thesystem were analyzed according to the monitored solar radiant heat, the solar energy absorbed by roadThe results showed that the road surface temperature was mainly affected by solar radiation, but theThe temperature of the solar road surface was 3°C–6°C lower than that of the ordinary road surface.

Keywords： solar energy     road-solar energy system     road surface temperature     solar absorptivity of road surface     solar    

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Water resource and surface ecology protection technology of modern coal mining in China’s energy “Golden

Gu Dazhao

Strategic Study of CAE 2013, Volume 15, Issue 4,   Pages 102-107

Abstract:

The energy "Golden Triangle", which consists of Shanxi, ShaanxiThe energy “Golden Triangle” plays an important role in the country's coal supply networkcontradiction between modern coal mining and severe water scarcity, the groundwater migration law and surfaceThe coal mine distributed underground reservoirs and surface ecology recovery technology is firstly developedsuccessfully established, which puts forward effective technical way to conservation of water resources and surface

Keywords： energy “Golden Triangle”     modern coal mining     water resource and surface ecology     protection technology    

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Non-thermal plasma enhances performances of biochar in wastewater treatment and energy storage applications

Frontiers of Chemical Science and Engineering 2022, Volume 16, Issue 4,   Pages 475-483 doi: 10.1007/s11705-021-2070-x

Abstract: Surface functionalization or modification to introduce more oxygen-containing functional groups to biocharIn this study, non-thermal plasma was applied for biochar surface carving before being used in contaminantremoval and energy storage applications.Moreover, to add more functionality to biochar surface, biochar with and without plasma pre-treatmentThis study may provide guidelines for enhancing the surface functionality and application performances

Keywords： non-thermal plasma     surface functionalization     biochar modification     wastewater treatment     supercapacitor    

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Development of surface active agent for textiles and its role in saving energy and water and reducing

Yao Mu

Strategic Study of CAE 2009, Volume 11, Issue 4,   Pages 14-16

Abstract:

To meet the requirements of saving energy and water and reducing dischargeand consumption, surface active agents have developed greatly and innovatively in recent years.In this paper, the main applications and the categories of surface active agent were introduced.In addition, the applications of surface active agents in dyeing, printing, degumming and sizing were

Keywords： textile industry     surface active agent     save energy     reduce discharge    

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Carbon-doped surface unsaturated sulfur enriched CoS@rGO aerogel pseudocapacitive anode and biomass-derived

Frontiers of Chemical Science and Engineering 2021, Volume 15, Issue 6,   Pages 1500-1513 doi: 10.1007/s11705-021-2086-2

Abstract: As a hybrid energy storage device of lithium-ion batteries and supercapacitors, lithium-ion capacitorshave the potential to meet the demanding needs of energy storage equipment with both high power andenergy density.For the anode, we introduced in situ carbon-doped and surface-enriched unsaturated sulfur intoThe assembled lithium-ion capacitors demonstrate a high energy density of 132.9 Wh∙kg–1 at

Keywords： in-situ carbon-doped     surface unsaturated sulfur enriched     pseudocapacitive energy storage     biomass-derived    

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An optimized solar-air degree-day method to evaluate energy demand for poultry buildings in different

Yang WANG, Baoming LI

Frontiers of Agricultural Science and Engineering 2020, Volume 7, Issue 4,   Pages 478-489 doi: 10.15302/J-FASE-2019289

Abstract:

The degree-day method is widely used to determine energy consumption but cannot be directly appliedmethod was proposed, which considers the effects of solar radiation with different wall orientations and surfaceApproaches to decrease energy consumption were developed.Orientation and surface color effects on energy consumption need to be considered, and external wallsof different orientations should have different surface colors.

Keywords： base temperature     energy consumption     solar radiation     orientation     surface color    

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A spectrally selective surface structure for combined photothermic conversion and radiative sky cooling

Bin ZHAO, Xianze AO, Nuo CHEN, Qingdong XUAN, Mingke HU, Gang PEI

Frontiers in Energy 2020, Volume 14, Issue 4,   Pages 882-888 doi: 10.1007/s11708-020-0694-z

Abstract: They have significant potential for renewable energy harvesting.In this paper, a spectrally selective surface structure that has a planar polydimethylsiloxane layerAn optical simulation is conducted whose result shows that the designed surface structure (i.e., PT-RCA thermal analysis prediction reveals that the designed PT-RC surface structure can be heated to 79.1the ambient temperature of approximately 10°C in the nighttime, indicating that the designed PT-RC surface

Keywords： solar energy     photothermic conversion     radiative sky cooling     spectral selectivity     multilayer film    

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Review: Tip-based vibrational spectroscopy for nanoscale analysis of emerging energy materials

Amun JARZEMBSKI, Cedric SHASKEY, Keunhan PARK

Frontiers in Energy 2018, Volume 12, Issue 1,   Pages 43-71 doi: 10.1007/s11708-018-0524-8

Abstract: microscopy (AFM) with vibrational spectroscopy to enable the nanoscale characterization of emerging energyresolution of vibrational spectroscopy, which will become a critical technique for characterizing novel energy

Keywords： optical microscopy     tip-enhanced Raman spectroscopy     photo-induced force microscopy     molecular resonances     surfacephonon polaritons     energy materials    

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Surface hydrophobicity: effect of alkyl chain length and network homogeneity

Wenqian Chen, Vikram Karde, Thomas N. H. Cheng, Siti S. Ramli, Jerry Y. Y. Heng

Frontiers of Chemical Science and Engineering 2021, Volume 15, Issue 1,   Pages 90-98 doi: 10.1007/s11705-020-2003-0

Abstract: Understanding the nature of hydrophobicity has fundamental importance in environmental applications. Using spherical silica nanoparticles (diameter= 369€±€7 nm) as the model material, the current study investigates the relationship between the alkyl chain network and hydrophobicity. Two alkyl silanes with different chain length (triethoxymethylsilane (C1) vs. trimethoxy(octyl)silane (C8)) were utilised separately for the functionalisation of the nanoparticles. Water contact angle and inverse gas chromatography results show that the alkyl chain length is essential for controlling hydrophobicity, as the octyl-functionalised nanoparticles were highly hydrophobic (water contact angle= 150.6°€±€6.6°), whereas the methyl-functionalised nanoparticles were hydrophilic (i.e., water contact angle= 0°, similar to the pristine nanoparticles). The homogeneity of the octyl-chain network also has a significant effect on hydrophobicity, as the water contact angle was reduced significantly from 148.4°€±€3.5° to 30.5°€±€1.0° with a methyl-/octyl-silane mixture (ratio= 160:40 µL·g nanoparticles).

Keywords： hydrophobicity     surface energy     wettability     alkyl chain network     silica nanoparticle    

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Cell surface protein engineering for high-performance whole-cell catalysts

Hajime Nakatani,Katsutoshi Hori

Frontiers of Chemical Science and Engineering 2017, Volume 11, Issue 1,   Pages 46-57 doi: 10.1007/s11705-017-1609-3

Abstract: Cell surface protein engineering facilitated by accumulation of information on genome and protein structureinvolves heterologous production and modification of cell surface proteins using genetic engineeringIn this field, cell surface display is a major technology by exposing target proteins, such as enzymes, on the cell surface using a carrier protein.The target proteins are fused to the carrier proteins that transport and tether them to the cell surface

Keywords： cell surface engineering     surface display     whole-cell catalysts     bioprocess    

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An Exploration of Surface Integrity Remanufacturing for Aeroengine Components

Qiao Xiang,Yong He,Ting-hong Hou

Frontiers of Engineering Management 2016, Volume 3, Issue 2,   Pages 107-114 doi: 10.15302/J-FEM-2016025

Abstract: Surface integrity is the major factor impacting on the operation quality, service life and reliabilityThe surface integrity of aeroengine component is damaged by the failures such as crack, deformation,This paper firstly puts forward the concept, namely surface integrity remanufacturing for aeroengineThe key remanufacturing technologies have been developed to repair the components with surface damagesIt has realized “The Repaired Components Outpacing the New Ones”, material saving, energy saving, and

Keywords： aeroengine component     surface integrity     remanufacturing     surface integrity remanufacturing    

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Review on mechanism and process of surface polishing using lasers

Arun KRISHNAN, Fengzhou FANG

Frontiers of Mechanical Engineering 2019, Volume 14, Issue 3,   Pages 299-319 doi: 10.1007/s11465-019-0535-0

Abstract: Laser polishing is a technology of smoothening the surface of various materials with highly intense laserWhen these beams impact on the material surface to be polished, the surface starts to be melted due tomelted material is then relocated from the ‘peaks to valleys’ under the multidirectional action of surfaceBy varying the process parameters such as beam intensity, energy density, spot diameter, and feed rate, different rates of surface roughness can be achieved.

Keywords： laser polishing     surface roughness     process parameters     mechanism    

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Tribological study on the surface modification of metal-on-polymer bioimplants

Frontiers of Mechanical Engineering 2022, Volume 17, Issue 2, doi: 10.1007/s11465-022-0682-6

Abstract: The relationship between surface roughness and coefficient of friction (COF) under dry and lubricatedResults show that under dry test, friction coefficient is not reduced all the time with a decrease in surfaceUnder wet test, COF always decreases with reduction in surface roughness.by decreasing friction force and mitigating surface deterioration.By obtaining the optimal surface roughness and applying texturing technology, the tribological performance

Keywords： artificial joints     surface roughness     friction     surface texturing    

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Title Author Date Type Operation

Thermodynamic models and energy distribution of single-phase heated surface in a boiler under unsteady

Xiyan GUO, Yongping YANG

Journal Article

Hysteretic behavior of cambered surface steel tube damper: Theoretical and experimental research

Journal Article

Characteristics and application of road absorbing solar energy

Zhihua ZHOU, Shan HU, Xiaoyan ZHANG, Jian ZUO

Journal Article

Water resource and surface ecology protection technology of modern coal mining in China’s energy “Golden

Gu Dazhao

Journal Article

Non-thermal plasma enhances performances of biochar in wastewater treatment and energy storage applications

Journal Article

Development of surface active agent for textiles and its role in saving energy and water and reducing

Yao Mu

Journal Article

Carbon-doped surface unsaturated sulfur enriched CoS@rGO aerogel pseudocapacitive anode and biomass-derived

Journal Article

An optimized solar-air degree-day method to evaluate energy demand for poultry buildings in different

Yang WANG, Baoming LI

Journal Article

A spectrally selective surface structure for combined photothermic conversion and radiative sky cooling

Bin ZHAO, Xianze AO, Nuo CHEN, Qingdong XUAN, Mingke HU, Gang PEI

Journal Article

Review: Tip-based vibrational spectroscopy for nanoscale analysis of emerging energy materials

Amun JARZEMBSKI, Cedric SHASKEY, Keunhan PARK

Journal Article

Surface hydrophobicity: effect of alkyl chain length and network homogeneity

Wenqian Chen, Vikram Karde, Thomas N. H. Cheng, Siti S. Ramli, Jerry Y. Y. Heng

Journal Article

Cell surface protein engineering for high-performance whole-cell catalysts

Hajime Nakatani,Katsutoshi Hori

Journal Article

An Exploration of Surface Integrity Remanufacturing for Aeroengine Components

Qiao Xiang,Yong He,Ting-hong Hou

Journal Article

Review on mechanism and process of surface polishing using lasers

Arun KRISHNAN, Fengzhou FANG

Journal Article

Tribological study on the surface modification of metal-on-polymer bioimplants

Journal Article