Article
Thermodynamics
A. K. W. Loh, G. M. Chen, B. K. Lim
Summary: This study investigates the effects of viscous dissipation on the transport of Alumina-water nanofluids in an asymmetrically heated microchannel, taking into account Brownian motion and thermophoresis mechanism. It is found that viscous dissipation shifts the concentration and temperature distribution, leading to changes in thermal conductivity and viscosity. The increase in nanoparticle bulk concentration and the Brownian and Thermophoretic diffusivity ratio highlight the competition between enhanced thermal diffusion and hindered heat convection. Viscous dissipation also has a pronounced effect on particle migration and entropy generation.
CASE STUDIES IN THERMAL ENGINEERING
(2022)
Article
Mechanics
Supriya Karmakar, R. Usha, Geetanjali Chattopadhyay, Severine Millet, J. V. Ramana Reddy, Priyanka Shukla
Summary: This study investigates the linear stability of a plane Poiseuille flow in a channel with anisotropic permeable walls supported by rigid walls. The results reveal the significant impact of permeability and anisotropy on the instability of the flow, and demonstrate the possibility of controlling instability by designing walls with anisotropic permeability and tuning the relative wall-normal permeability.
Article
Thermodynamics
Mair Khan, T. Salahuddin, Sadia Ayub, Mohamed Altanji
Summary: In the past few decades, studies on controlling irreversibility or entropy generation in fluid flow models have been of interest to scientists. This study analyzes the contribution of thermophysical properties, viscous dissipation, and solar radiation in the heat transfer of a fluid flow induced by a heated flat plate, both theoretically and numerically. The system consists of steady boundary layer flow of modified viscous fluid with temperature-dependent viscosity. Other fluid properties are assumed to be variable. The energy equation includes solar radiative heat flux and viscous dissipation effects. The governing equations are transformed into a system of ordinary differential equations using a similarity variable approach. Numerical solutions are obtained using the RK-five integator method with the shooting technique. The analysis of mean-flow and entropy profiles, along with physical reasoning, is presented in the last section. The study concludes that the concentration ratio variable has a positive effect on the irreversibility of the system.
THERMAL SCIENCE AND ENGINEERING PROGRESS
(2023)
Article
Thermodynamics
Marco Rosales-Vera
Summary: This paper presents a numerical analysis of the Graetz problem with viscous dissipation, showing the importance of considering the effect of viscous dissipation in engineering problems where the Brinkman number is large.
CASE STUDIES IN THERMAL ENGINEERING
(2021)
Article
Engineering, Chemical
Hui Jin, Mingyue Zhang, Shaohua Shen
Summary: In this paper, numerical simulations were used to investigate the temperature field and particle-average Nusselt number variations of nine porous particles using the lattice Boltzmann method. The results showed that the inter-particle distance has a significant impact on the heat transfer efficiency, and the distance change in the direction vertical to the inflow also affects the temperature field and Nusselt number.
INDUSTRIAL & ENGINEERING CHEMISTRY RESEARCH
(2022)
Article
Mathematics, Applied
Abiodun O. Ajibade, Jeremiah J. Gambo, Basant K. Jha
Summary: This paper analytically investigates a steady natural convection flow in a composite channel partially filled with porous material. The effects of heat generation due to viscous dissipation and darcy dissipation were considered in the energy equations of the porous region and clear fluid region. The Brinkmann extended Darcy model was applied to model the flow in the porous region. The analysis reveals that the increase in the thickness of the porous region hampers the hydrodynamics while promoting the thermodynamics within the composite channel.
ZAMM-ZEITSCHRIFT FUR ANGEWANDTE MATHEMATIK UND MECHANIK
(2023)
Article
Thermodynamics
Shafqat Hussain, Muhammad Zeeshan, Dur-e-Shehwar Sagheer
Summary: This study focuses on the numerical simulation of natural convection and entropy generation of Casson fluid in a partially heated square enclosure. The results show that increasing the cavity inclination leads to a decrease in average heat transfer rate and an increase in total entropy generation.
INTERNATIONAL JOURNAL OF THERMAL SCIENCES
(2022)
Article
Chemistry, Multidisciplinary
Mirza Farrukh Baig, Gooi Mee Chen, Chih Ping Tso
Summary: Partial filling of a porous medium insert in a channel can alleviate pressure drop and enhance heat transfer. This study investigates forced convective heat transfer in a parallel-plate channel with a core occupied by a porous medium. Exact temperature fields and Nusselt number are obtained under symmetrical isoflux thermal boundary condition. Viscous dissipation leads to bifurcation of heat flux at the interface between clear fluid and porous medium. However, it does not affect the variation of Nusselt number with the fraction of porous medium filling. Experimental results show that utilizing Al2O3-Water nanofluid improves heat transfer coefficient compared to using water in a partially filled microchannel with an optimum volume fraction of porous medium, but the adverse impact of viscous dissipation increases with Reynolds number.
Article
Engineering, Mechanical
M. Ijaz Khan, Yu-Ming Chu, Sumaira Qayyum, Shahid Farooq, A. Aldabesh
Summary: This paper discusses Marangoni convective flow of Carreau fluid, considering boundary conditions for momentum equation and viscous dissipation in thermal equation. By converting governing equations from PDEs to ODEs and using the ND-Solve MATHEMATICA method to solve them, the effects of parameters on temperature, velocity, entropy rate, Bejan number, skin friction, and Nusselt number are examined through graphs.
PROCEEDINGS OF THE INSTITUTION OF MECHANICAL ENGINEERS PART C-JOURNAL OF MECHANICAL ENGINEERING SCIENCE
(2021)
Article
Mathematics, Applied
Muhammad Idrees Afridi, Zhi-Min Chen, Nadia Riaz, Muhammad Qasim
Summary: This article investigates flow over a linearly stretching sheet with constant temperature. The effects of frictional heating and Ohmic heating are studied. It is found that energy equations are not self-similar when considering viscous dissipation, depending on the stretching velocity and surface temperature. A constraint between sheet velocity and surface temperature is needed for similarity transformations. In this analysis, a pseudo-similarity transformation is employed and the viscous dissipation parameter is used as a non-similarity variable.
ZAMM-ZEITSCHRIFT FUR ANGEWANDTE MATHEMATIK UND MECHANIK
(2023)
Article
Mechanics
P. G. Siddheshwar, C. Kanchana, D. Laroze
Summary: The onset of regular and chaotic convection in a porous medium was studied, considering phase-lag effects between fluid and solid phases. A new heat equation and extended Vadasz-Lorenz model were derived, revealing new parameters and the validity of the principle of exchange of stabilities. The analysis showed quantitative and qualitative differences in chaos metrics due to lag effects in the system.
Article
Engineering, Aerospace
Oktay Cicek, A. Cihat Baytas
Summary: The study aims to investigate heat transfer and entropy generation between the airframe and cabin-cargo departments in an aircraft, considering a simplified geometry of a cylindrical cavity within an air channel partly filled with porous insulation material. The effects of various parameters such as Reynolds number, Darcy number, inlet and exit cross-section size, thermal conductivity ratio, angle between symmetry axis and channel wall exit, and gap between channel wall and horizontal wall are explored. The study provides insights on thermal design and calculates the minimum total entropy generation number for different Reynolds numbers and thermal conductivity ratios.
AIRCRAFT ENGINEERING AND AEROSPACE TECHNOLOGY
(2022)
Article
Thermodynamics
Tahar Tayebi
Summary: This paper investigates the influence of local thermal non-equilibrium (LTNE) effects on heat exchange and entropy generation during thermal-free convection in a non-Darcy porous domain. The study focuses on a square cavity configuration and uses the finite volume computational approach to solve the governing equations. The analysis reveals the sources of entropy generation due to thermal diffusion and viscous dissipation, and introduces a new parameter to evaluate the thermal diffusion irreversibility in the fluid and solid phases.
INTERNATIONAL COMMUNICATIONS IN HEAT AND MASS TRANSFER
(2022)
Article
Thermodynamics
Mirza Farrukh Baig, Gooi Mee Chen, Chih Ping Tso
Summary: This study investigates forced convection heat transfer in a channel partially filled with a porous medium, considering viscous dissipation under local thermal nonequilibrium conditions, and highlights the importance of incorporating viscous dissipation effects to the temperature field.
JOURNAL OF THERMOPHYSICS AND HEAT TRANSFER
(2022)
Article
Thermodynamics
Y. Masthanaiah, Nainaru Tarakaramu, M. Ijaz Khan, A. RushiKesava, Sana Ben Moussa, Bandar M. Fadhl, Sherzod Shukhratovich Abdullaev, Sayed M. Eldin
Summary: In this study, numerical investigation is conducted on the entropy generation (EG) of the inherent irreversibility motion of couple stress cold liquid with a porous medium in a horizontal channel, taking into account the presence of viscous dissipation. The heat generation of couple stress liquid in a porous channel is analyzed. This study is of considerable importance in various industrial applications, such as control mechanism in material manufacturing, manufacture of electronic chips, crystal formation, scientific treatment problems of irrigation, soil erosion, and tile drainage. The formulated physical liquid equations are calculated using the shooting technique with the R-K-F scheme, and the velocity and temperature are predicted graphically. It is found that the velocity decreases and the temperature increases with an increasing statistical value of K (couple stress parameter), Ec (Eckert number), and Q (heat generation parameter), respectively, and the gradient constraint is improved by an enhancement in the Bejan number for various values of the pressure gradient parameter.
CASE STUDIES IN THERMAL ENGINEERING
(2023)
Article
Chemistry, Physical
Qingmeng Gan, Ning Qin, Zhiqiang Li, Shuai Gu, Kemeng Liao, Kaili Zhang, Li Lu, Zhenghe Xu, Zhouguang Lu
Summary: This paper proposes a novel strategy of surface reconstruction for stabilizing nickel-rich layered oxide materials in lithium-ion batteries. By using facile plasma treatment, a homogeneous spinel layer is formed on the surface of LiNi0.8Co0.1Mn0.1O2 (NCM811), which enhances the capacity retention of the battery.
Article
Chemistry, Multidisciplinary
Iftikhar Hussain, Sumanta Sahoo, Tanveer Hussain, Muhammad Ahmad, Muhammad Sufyan Javed, Charmaine Lamiel, Shuai Gu, Thanayut Kaewmaraya, Mostafa Saad Sayed, Kaili Zhang
Summary: The hybrid electrode material, derived from MOF-derived Zr-Mn-oxide and solution-free CuO nanowires, demonstrates excellent electrochemical performance and stability, making it a promising candidate for next-generation supercapacitor electrodes.
ADVANCED FUNCTIONAL MATERIALS
(2023)
Article
Engineering, Environmental
Shuai Gu, Jingjing Chen, Rui Hao, Xi Chen, Zhiqiang Wang, Iftikhar Hussain, Guiyu Liu, Kun Liu, Qingmeng Gan, Zhiqiang Li, Hao Guo, Yingzhi Li, He Huang, Kemeng Liao, Kaili Zhang, Zhouguang Lu
Summary: A novel bipolar polyimide COF with unique topology structure demonstrates high capacity and stability for dual-ion organic batteries. The COF stores Li+ ions and PF6- anions through the redox reactions of anionic imide radicals and cationic nitrogen-center radicals respectively. With optimized electrolyte, the COF exhibits high capacity and excellent cyclic performance.
CHEMICAL ENGINEERING JOURNAL
(2023)
Review
Engineering, Environmental
Iftikhar Hussain, Charmaine Lamiel, Muhammad Sufyan Javed, Muhammad Ahmad, Xi Chen, Sumanta Sahoo, Xiaoxia Ma, Majed A. Bajaber, Mohd Zahid Ansari, Kaili Zhang
Summary: The advancement of structured nanomaterials is crucial for the development of supercapacitor electrode materials. By evaluating various nanostructures, current challenges in electrode materials have been significantly improved. Nanomaterials with three-dimensional structures have been extensively explored due to their larger electrochemical active surface areas. This review summarizes the material development of hierarchical structures resembling earth-like and marine life-like morphology for supercapacitor electrode materials and discusses future ideas on sustainable production and assembly methods.
CHEMICAL ENGINEERING JOURNAL
(2023)
Article
Chemistry, Multidisciplinary
Iftikhar Hussain, Mohd Zahid Ansari, Muhammad Ahmad, Awais Ali, Tehseen Nawaz, Tanveer Hussain, Charmaine Lamiel, Muhammad Sufyan Javed, Xi Chen, Muhammad Sajjad, Thanayut Kaewmaraya, Karim Khan, Kaili Zhang
Summary: Metal-organic frameworks (MOFs) have advantages in improving the structure and properties of metal-based active materials, and a novel electrode material Ni-Co-Se/C@CuO is obtained by integrating Ni-Co-MOF with pre-oxidized Cu mesh. Ni-Co-Se/C@CuO exhibits superior electrochemical performance compared to Ni-Co-MOF@CuO, including higher specific capacity, lower resistivity, richer redox activity, and more favorable diffusion-dominated storage mechanism. When assembled as a hybrid supercapacitor (HSC) with rGO, Ni-Co-Se/C@CuO shows a high energy density of 42 W h kg(-1) at a power density of 2 kW kg(-1) and maintains its capacity retention even after 20,000 cycles. The improved capacity performance of Ni-Co-Se/C@CuO is attributed to its unique and preserved heterostructure with enhanced metallic properties. Such evaluation of novel electrodes with superior properties may benefit next-generation electrodes for supercapacitor devices.
ADVANCED FUNCTIONAL MATERIALS
(2023)
Article
Engineering, Environmental
Yuxiang Li, Xi Chen, Lei Zhang, Ruishan Han, Iftikhar Hussain, Xiaoxia Ma, Kaili Zhang
Summary: In this study, Co(OH)F was used as a novel fluorine-containing oxidizer in Al-based MIC and vertically aligned Co(OH)F@Al nanobelt arrays with tunable morphology were fabricated via hydrothermal synthesis and electron beam evaporation. It was found that Co(OH)F@Al composites achieved main exothermal reaction before melting of Al regardless of morphology and equivalence ratio, attributed to the etching of Al2O3 shell by HF released from Co(OH)F. A phenomenological model was proposed to elucidate the effect of microstructure on the actual specific heat release.
CHEMICAL ENGINEERING JOURNAL
(2023)
Review
Chemistry, Inorganic & Nuclear
Charmaine Lamiel, Iftikhar Hussain, Hesamoddin Rabiee, Olakunle Richard Ogunsakin, Kaili Zhang
Summary: Metal-organic frameworks (MOFs) are well-investigated nanomaterials with high surface area and customizable porosity. They are used as templates to achieve desired properties in MOF-based nanomaterials for energy storage systems. MOF-derived materials such as porous carbon, metal/metal oxide, and metal/metal oxide@C have shown excellent performance in electrochemical energy storage devices. However, there is a lack of exploration in the derivation of MOFs into chalcogenide compounds like sulfides, selenides, and tellurides. This review discusses the development and challenges of MOFs in obtaining MOF-derived transition metal chalcogenides (TMCs) and explores their applications in batteries, supercapacitors, and electrocatalysis.
COORDINATION CHEMISTRY REVIEWS
(2023)
Review
Materials Science, Multidisciplinary
Charmaine Lamiel, Iftikhar Hussain, Jamie H. Warner, Kaili Zhang
Summary: MXene is a highly interesting 2D material with customizable properties and wide-ranging applications. While titanium-based MXene has been extensively studied, there are other non-titanium metals that can also serve as 2D MXene with promising applications.
Review
Chemistry, Multidisciplinary
Shuai Gu, Jingjing Chen, Iftikhar Hussain, Zhiqiang Wang, Xi Chen, Muhammad Ahmad, Shien-Ping Feng, Zhouguang Lu, Kaili Zhang
Summary: Organic materials show promise as electrodes for next-generation rechargeable batteries due to their sustainability, structural flexibility, and potential recyclability. However, the highly reactive and short-lived radicals generated during the redox process of organic electrodes pose challenges. This review summarizes the importance, history, structures, and working principles of organic radicals in rechargeable batteries, highlighting the strategies to track and regulate them. Furthermore, the perspectives for the development of high-performance rechargeable organic batteries based on radical chemistry are discussed.
ADVANCED MATERIALS
(2023)
Article
Engineering, Environmental
Tehseen Nawaz, Muhammad Ahmad, Mohd Zahid Ansari, Iftikhar Hussain, Xi Chen, Li-Juan Liu, Rajat Walia, Kam Hung Low, Shengli Zhuang, Kaili Zhang, Jian He
Summary: Fast-charging storage devices have gained attention for their potential applications in microelectronic gadgets and hybrid electric vehicles. The use of atomically precise metal nanoclusters (NCs) in supercapacitors is rare, but the synthesis of structurally distorted doped Au38_xAgx NCs protected by 2,4-dimethylbenzenethiolate (2,4-DMBT) and their integration with ZIF-8 (Au38_xAgx NCs@ZIF-8) have been studied for electrochemical and physicochemical research. The enhanced electronic transfer kinetics and improved specific capacitance make the doped Au38_xAgx NCs@ZIF-8 based hybrid supercapacitor (HSC) a promising option for next-generation energy storage devices.
CHEMICAL ENGINEERING JOURNAL
(2023)
Article
Thermodynamics
Yuxiang Li, Kaili Zhang
Summary: Metastable intermolecular composites (MICs) consisting of Co(OH)F@Al nanoarray were investigated for their thermal behavior and reaction mechanism. The results revealed that Co(OH)F@Al can undergo the main exothermal reaction before the melting of aluminum, achieving a peak temperature about 200 degrees C lower than MICs using CoO and Co3O4 oxidizers.
COMBUSTION AND FLAME
(2023)
Article
Energy & Fuels
Muhammad Ahmad, Tehseen Nawaz, Iftikhar Hussain, Qudrat Ullah, Xi Chen, Rajat Walia, Shafqat Ali, Saikh Mohammad Wabaidur, Waqas Ul Arifeen, Kaili Zhang
Summary: Transition metal selenides have become a popular choice in supercapacitors due to their excellent electrochemical performance, low cost, and environmentally friendly nature. Through fine-tuning the solvothermal reaction temperature, the structural orientation of ternary Mg-Ni-Co selenide (MNCSe) was successfully demonstrated. The self-aligned star-like MNCSe-180 nanoflakes showed a high specific capacity of 299.16 mAh g-1 (1 A g-1) in an aqueous KOH electrolyte. A hybrid supercapacitor device based on this electrode design achieved a high energy density of 46.56 Wh kg-1 and a maximum power density of 5.9 kW kg-1. This work provides valuable insights for the synthesis of novel materials with capacitive properties in next-generation energy storage devices.
JOURNAL OF ENERGY STORAGE
(2023)
Review
Energy & Fuels
Irum Shaheen, Iftikhar Hussain, Taghazal Zahra, Muhammad Sufyan Javed, Syed Shoaib Ahmad Shah, Karim Khan, Muhammad Bilal Hanif, Mohammed A. Assiri, Zafar Said, Waqas Ul Arifeen, Bhargav Akkinepally, Kaili Zhang
Summary: This review discusses the sustainable synthesis approaches for metal oxide nanomaterials in supercapacitors, including their morphological, compositional, and supercapacitive properties. It covers the design and types of supercapacitors based on electrode materials, and comprehensively explains metal oxide-based pseudocapacitive/battery-type electrodes. The review aims to provide guidelines for the sustainable fabrication of metal oxide nanomaterial-based supercapacitors and explain their design and functioning.
JOURNAL OF ENERGY STORAGE
(2023)
Article
Nanoscience & Nanotechnology
Yuxiang Li, Iftikhar Hussain, Xi Chen, Lei Zhang, Ruishan Han, Xiaoxia Ma, Kaili Zhang
Summary: The study investigates hybrid energetic composites composed of Al/CuO nanothermites and tetraamminecopper perchlorate(TACP), and finds that they exhibit strong explosive performance and gas generation capacity, showing great potential for various applications.
ACS APPLIED NANO MATERIALS
(2023)
Article
Chemistry, Physical
Xi Chen, Yu Tang, Zhibo Zhang, Muhammad Ahmad, Iftikhar Hussain, Tianyi Li, Si Lan, Kaili Zhang, Qi Liu
Summary: In this study, a strategy to construct a stable Li-conductive layer on the surface of single-crystalline Ni-rich cathode particles is reported, which significantly improves the Li-ion diffusion coefficients and suppresses surface phase transformation. The improved kinetics result in good durability and excellent rate capability of the single-crystalline cathode.
JOURNAL OF MATERIALS CHEMISTRY A
(2023)
Article
Thermodynamics
Yong Cheng, Fukai Song, Lei Fu, Saishuai Dai, Zhiming Yuan, Atilla Incecik
Summary: This paper investigates the accessibility of wave energy absorption by a dual-pontoon floating breakwater integrated with hybrid-type wave energy converters (WECs) and proposes a hydraulic-pneumatic complementary energy extraction method. The performance of the system is validated through experiments and comparative analysis.
Article
Thermodynamics
Jing Gao, Chao Wang, Zhanwu Wang, Jin Lin, Runkai Zhang, Xin Wu, Guangyin Xu, Zhenfeng Wang
Summary: This study aims to establish a new integrated method for biomass cogeneration project site selection, with a focus on the application of the model in Henan Province. By integrating Geographic Information System and Multiple Criterion Decision Making methods, the study conducts site selection in two stages, providing a theoretical reference for the construction of biomass cogeneration projects.
Article
Thermodynamics
Mert Temiz, Ibrahim Dincer
Summary: The current study presents a hybrid small modular nuclear reactor and solar-based system for sustainable communities, integrating floating and bifacial photovoltaic arrays with a small modular reactor. The system efficiently generates power, hydrogen, ammonia, freshwater, and heat for residential, agricultural, and aquaculture facilities. Thermodynamic analysis shows high energy and exergy efficiencies, as well as large-scale ammonia production meeting the needs of metropolitan areas. The hybridization of nuclear and solar technologies offers advantages of reliability, environmental friendliness, and cost efficiency compared to renewable-alone and fossil-based systems.
Editorial Material
Thermodynamics
Wojciech Stanek, Wojciech Adamczyk
Article
Thermodynamics
Desheng Xu, Yanfeng Li, Tianmei Du, Hua Zhong, Youbo Huang, Lei Li, Xiangling Duanmu
Summary: This study investigates the optimization of hybrid mechanical-natural ventilation for smoke control in complex metro stations. The results show that atrium fires are more significantly impacted by outdoor temperature variations compared to concourse/platform fires. The gathered high-temperature smoke inside the atrium can reach up to 900 K under a 5 MW train fire energy release. The findings provide crucial engineering insights into integrating weather data and adaptable ventilation protocols for smoke prevention/mitigation.
Article
Thermodynamics
Da Guo, Heping Xie, Mingzhong Gao, Jianan Li, Zhiqiang He, Ling Chen, Cong Li, Le Zhao, Dingming Wang, Yiwei Zhang, Xin Fang, Guikang Liu, Zhongya Zhou, Lin Dai
Summary: This study proposes a new in-situ pressure-preserved coring tool and elaborates its pressure-preserving mechanism. The experimental and field test results demonstrate that this tool has a high pressure-preservation capability and can maintain a stable pressure in deep wells. This study provides a theoretical framework and design standards for the development of similar technologies.
Article
Thermodynamics
Aolin Lai, Qunwei Wang
Summary: This study assesses the impact of China's de-capacity policy on renewable energy development efficiency (REDE) using the Global-MSBM model and the difference-in-differences method. The findings indicate that the policy significantly enhances REDE, promoting technological advancements and marketization. Moreover, regions with stricter environmental regulations experience a higher impact.
Article
Thermodynamics
Mostafa Ghasemi, Hegazy Rezk
Summary: This study utilizes fuzzy modeling and optimization to enhance the performance of microbial fuel cells (MFCs). By simulating and analyzing experimental data sets, the ideal parameter values for increasing power density, COD elimination, and coulombic efficiency were determined. The results demonstrate that the fuzzy model and optimization methods can significantly improve the performance of MFCs.
Article
Thermodynamics
Zhang Ruan, Lianzhong Huang, Kai Wang, Ranqi Ma, Zhongyi Wang, Rui Zhang, Haoyang Zhao, Cong Wang
Summary: This paper proposes a grey box model for fuel consumption prediction of wing-diesel hybrid vessels based on feature construction. By using both parallel and series grey box modeling methods and six machine learning algorithms, twelve combinations of prediction models are established. A feature construction method based on the aerodynamic performance of the wing and the energy relationship of the hybrid system is introduced. The best combination is obtained by considering the root mean square error, and it shows improved accuracy compared to the white box model. The proposed grey box model can accurately predict the daily fuel consumption of wing-diesel hybrid vessels, contributing to operational optimization and the greenization and decarbonization of the shipping industry.
Article
Thermodynamics
Huayi Chang, Nico Heerink, Junbiao Zhang, Ke He
Summary: This study examines the interaction between off-farm employment decisions between couples and household clean energy consumption in rural China, and finds that two-paycheck households are more likely to consume clean energy. The off-farm employment of women is a key factor driving household clean energy consumption to a higher level, with wage-employed wives having a stronger influence on these decisions than self-employed ones.
Article
Thermodynamics
Hanguan Wen, Xiufeng Liu, Ming Yang, Bo Lei, Xu Cheng, Zhe Chen
Summary: Demand-side management is crucial to smart energy systems. This paper proposes a data-driven approach to understand the relationship between energy consumption patterns and household characteristics for better DSM services. The proposed method uses a clustering algorithm to generate optimal customer groups for DSM and a deep learning model for training. The model can predict the possibility of DSM membership for a given household. The results demonstrate the usefulness of weekly energy consumption data and household socio-demographic information for distinguishing consumer groups and the potential for targeted DSM strategies.
Article
Thermodynamics
Xinglan Hou, Xiuping Zhong, Shuaishuai Nie, Yafei Wang, Guigang Tu, Yingrui Ma, Kunyan Liu, Chen Chen
Summary: This study explores the feasibility of utilizing a multi-level horizontal branch well heat recovery system in the Qiabuqia geothermal field. The research systematically investigates the effects of various engineering parameters on production temperature, establishes mathematical models to describe their relationships, and evaluates the economic viability of the system. The findings demonstrate the significant economic feasibility of the multi-level branch well system.
Article
Thermodynamics
Longxin Zhang, Songtao Wang, Site Hu
Summary: This investigation reveals the influence of tip leakage flow on the modern transonic rotor and finds that the increase of tip clearance size leads to a decline in rotor performance. However, an optimal tip clearance size can extend the rotor's stall margin.
Article
Thermodynamics
Kristian Gjoka, Behzad Rismanchi, Robert H. Crawford
Summary: This paper proposes a framework for assessing the performance of 5GDHC systems and demonstrates it through a case study in a university campus in Melbourne, Australia. The results show that 5GDHC systems are a cost-effective and environmentally viable solution in mild climates, and their successful implementation in Australia can create new market opportunities and potential adoption in other countries with similar climatic conditions.
Article
Thermodynamics
Jianwei Li, Guotai Wang, Panpan Yang, Yongshuang Wen, Leian Zhang, Rujun Song, Chengwei Hou
Summary: This study proposes an orientation-adaptive electromagnetic energy harvester by introducing a rotatable bluff body, which allows for self-regulation to cater for changing wind flow direction. Experimental results show that the output power of the energy harvester can be greatly enhanced with increased rotatory inertia of the rotating bluff body, providing a promising solution for harnessing wind-induced vibration energy.