Article
Engineering, Chemical
Paramjeet Kaur, Krishna Teerth Chaturvedi, Mohan Lal Kolhe
Summary: Cogeneration, also known as combined heat and power (CHP) system, reduces costs and emissions by using waste heat from steam turbines and helps overcome the intermittency of renewable energy. This study analysed the economic dispatch of a CHP system connected with a wind power plant and found that operational costs were significantly reduced with the integration of wind energy.
Article
Thermodynamics
Haiquan Yu, Jianxin Zhou, Fengqi Si, Lars O. Nord
Summary: Combined heat and power dynamic economic dispatch (CHPDED) is a key technology for efficient operation of natural gas combined cycle (NGCC) plants. This study proposes an advanced loads variation capacity model integrated into the CHPDED model, improving feasibility of dispatched demands in NGCC plant operations. Case studies using field operational data demonstrate the effectiveness of the proposed model.
Article
Energy & Fuels
Sepehr Sanaye, Navid Khakpaay
Summary: An innovative method is proposed for optimizing the sizing and operational strategy of an integrated system, which includes ice thermal energy storage system and absorption chiller to reduce electricity consumption and operating costs. By using MRMM and GA optimization methods, the system achieved higher efficiency and benefits in a more accurate and faster manner.
Article
Construction & Building Technology
Alireza Tabebordbar, Mohammad Rastegar, Mehrdad Ebrahimi
Summary: Integration of electricity and natural gas systems is a promising solution to enhance energy systems efficiency and reliability. This paper proposes an optimization framework to determine the optimal sizing of both CHP and P2G technologies, considering their impacts on energy system reliability. Simulation results demonstrate the effectiveness and applicability of the proposed reliability-oriented sizing method.
SUSTAINABLE CITIES AND SOCIETY
(2023)
Article
Computer Science, Information Systems
Di Liu, Zhongbo Hu, Qinghua Su
Summary: This study proposes a neighborhood-based differential evolution algorithm with direction induced strategy (NDIDE) to solve the large-scale CHPED problem. The algorithm demonstrates good feasibility and superior performance in several CHPED systems.
INFORMATION SCIENCES
(2022)
Article
Computer Science, Artificial Intelligence
Chun-Ming Yang, Kuen-Suan Chen
Summary: Outsourcing is a crucial strategy in the mechanical manufacturing industry. This study introduces an integrated methodology for quality performance assessment and optimization of products with multiple quality characteristics for contract manufacturer selection. The methodology includes a novel process capability analysis chart and Pareto optimality approach, with a feedback mechanism for improvement suggestions.
EXPERT SYSTEMS WITH APPLICATIONS
(2021)
Article
Energy & Fuels
Tuo Jiang, Yong Min, Guiping Zhou, Lei Chen, Qun Chen, Fei Xu
Summary: IHPS is a promising approach for mitigating wind curtailment issues, particularly through modeling the internal composition of CHP plants to achieve synergistic effects of different energy resources, promoting wind power accommodation and reducing fossil fuel consumption.
CSEE JOURNAL OF POWER AND ENERGY SYSTEMS
(2021)
Article
Thermodynamics
Marcel Ulrich Ahrens, Sverre Stefanussen Foslie, Ole Marius Moen, Michael Bantle, Trygve Magne Eikevik
Summary: The study examined the integrated heat pump system of a new dairy in Bergen, Norway, finding that the system was able to meet energy demands and reduce greenhouse gas emissions significantly. By employing innovative energy solutions, the dairy was able to achieve a waste heat recovery rate of over 95% and a system COP of 4.1, with potential for further improvements.
APPLIED THERMAL ENGINEERING
(2021)
Article
Thermodynamics
Pablo Benalcazar
Summary: This paper presents a novel decision support method for sizing and optimizing the operation of thermal energy storage units in combined heat and power plants, which includes three steps focusing on thermal load, hourly operation, and economic effects. The study illustrates how the utilization of energy storage enhances the operational flexibility of the system through scenario analysis.
ENERGY CONVERSION AND MANAGEMENT
(2021)
Article
Green & Sustainable Science & Technology
Ming Liu, Guofeng Ma, Shan Wang, Yu Wang, Junjie Yan
Summary: This study evaluates the effectiveness of three categories of HPD technologies in CHP plants and defines new performance indicators. Results show that the energy saving rates of HPD technologies accommodating the same amount of renewable power differ obviously, and the economic performance is mainly determined by the cost of decreased power sale and expenditure reduction due to decreased fuel consumption.
RENEWABLE & SUSTAINABLE ENERGY REVIEWS
(2021)
Article
Energy & Fuels
Noor Intan Shafinas Muhammad, Kurt A. Rosentrater
Summary: This study focuses on the economic impact of food waste fermentation to produce ethanol, and explores the potential of integrating a CHP system with traditional fermentation plants. Results show that the MSP for this integrated system is $1.88 per gallon ($0.50 per liter), suggesting that the integrated system with CHP is more economical and suitable for commercial implementation.
FRONTIERS IN ENERGY RESEARCH
(2021)
Article
Pharmacology & Pharmacy
Stephen L. Conway, Juan G. Rosas, Paul Overton, Neil Tugby, Phillip Cryan, Frank Witulski, Samantha Hurley, Laura Wareham, Anthony Tantuccio, Manoharan Ramasamy, Anita Lalloo, Mason Gibbs, Robert F. Meyer
Summary: In this paper, we describe the implementation of a fully integrated continuous manufacturing (CM) line for pharmaceutical oral solid dosage form in a commercial production facility. The process design and operational choices made to introduce CM using infrastructure originally intended for batch operations are explained. The study demonstrates that CM provides assurance of product quality and explores the agility benefits of CM in commercial operations.
INTERNATIONAL JOURNAL OF PHARMACEUTICS
(2023)
Article
Thermodynamics
A. Vannoni, A. Giugno, A. Sorce
Summary: This research aims to propose an innovative solution to enhance the flexibility of CCGT plants by integrating them with a flue gas condensing heat pump. The heat pump increases overall efficiency and reduces CO2 emissions, but its higher capital expenditure limits the viability of the investment, only becoming feasible when the ratio between natural gas prices and electricity prices is high.
APPLIED THERMAL ENGINEERING
(2021)
Article
Thermodynamics
Ruiqiang Sun, Ming Liu, Xun Chen, Kaixuan Yang, Junjie Yan
Summary: This study compares and summarizes CHP systems based on the SCO2 Brayton cycle, finding that the back-pressure type CHP system using the SCO2 recompression-reheat cycle has the highest exergy efficiency, while the configuration E-2, integrating the recompression-intercooling cycle, high-pressure extraction heating, and reheat, achieves a perfect balance between high heat and electricity demands.
ENERGY CONVERSION AND MANAGEMENT
(2022)
Article
Green & Sustainable Science & Technology
F. S. Fidan, E. K. Aydogan, N. Uzal
Summary: This study investigates the benefits of using recycled cotton fiber and CHP plant in denim fabric production to reduce environmental impacts, costs, and improve quality. The integrated sustainability assessment approach offers important insights for sustainable denim fabric production.
JOURNAL OF CLEANER PRODUCTION
(2021)
Article
Thermodynamics
Wei Liang Lau, John Reizes, Victoria Timchenko, Sami Kara, Bernard Kornfeld
APPLIED THERMAL ENGINEERING
(2015)
Article
Engineering, Industrial
Pouya Ghadimi, Sami Kara, Bernard Kornfeld
CIRP ANNALS-MANUFACTURING TECHNOLOGY
(2015)
Article
Thermodynamics
Wei Liang Lau, John Reizes, Victoria Timchenko, Sami Kara, Bernard Kornfeld
INTERNATIONAL JOURNAL OF HEAT AND MASS TRANSFER
(2015)
Article
Green & Sustainable Science & Technology
Smaeil Mousavi, Sami Kara, Bernard Kornfeld
JOURNAL OF CLEANER PRODUCTION
(2016)
Proceedings Paper
Engineering, Industrial
Georg Bienert, Bernard Kornfeld, Sami Kara
MANUFACTURING SYSTEMS 4.0
(2017)
Proceedings Paper
Engineering, Industrial
Smaeil Mousavi, Sami Kara, Bernard Kornfeld
22ND CIRP CONFERENCE ON LIFE CYCLE ENGINEERING
(2015)
Proceedings Paper
Engineering, Industrial
Bernard J. Kornfeld, Sami Kara
22ND CIRP CONFERENCE ON LIFE CYCLE ENGINEERING
(2015)
Proceedings Paper
Engineering, Industrial
Smaeil Mousavi, Sami Kara, Bernard Kornfeld
21ST CIRP CONFERENCE ON LIFE CYCLE ENGINEERING
(2014)
Proceedings Paper
Engineering, Industrial
Bernard J. Kornfeld, Sami Kara
FORTY SIXTH CIRP CONFERENCE ON MANUFACTURING SYSTEMS 2013
(2013)
Article
Management
Bernard J. Kornfeld, Sami Kara
INTERNATIONAL JOURNAL OF OPERATIONS & PRODUCTION MANAGEMENT
(2011)
Article
Engineering, Industrial
Bernard Kornfeld, Sami Kara
INTERNATIONAL JOURNAL OF LEAN SIX SIGMA
(2013)
Article
Energy & Fuels
Shitong Fang, Houfan Du, Tao Yan, Keyu Chen, Zhiyuan Li, Xiaoqing Ma, Zhihui Lai, Shengxi Zhou
Summary: This paper proposes a new type of nonlinear VIV energy harvester (ANVEH) that compensates for the decrease in peak energy output at low wind speeds by introducing an auxiliary structure. Theoretical and experimental results show that ANVEH performs better than traditional nonlinear VIV energy harvesters under various system parameter variations.
Article
Energy & Fuels
Wei Jiang, Shuo Zhang, Teng Wang, Yufei Zhang, Aimin Sha, Jingjing Xiao, Dongdong Yuan
Summary: A standardized method was developed to evaluate the availability of solar energy resources in road areas, which combined the Analytic Hierarchy Process (AHP) and the Geographic Information System (GIS). By analyzing critical factors and using a multi-indicator evaluation method, the method accurately evaluated the utilization of solar energy resources and guided the optimal location selection for road photovoltaic (PV) projects. The results provided guidance for the application of road PV projects and site selection for route corridors worldwide, promoting the integration of transportation and energy.
Article
Energy & Fuels
Chang Liu, Jacob A. Wrubel, Elliot Padgett, Guido Bender
Summary: The study investigates the effects of coating defects on the performance of the anode porous transport layer (PTL) in water electrolyzers. The results show that an increasing fraction of uncoated regions on the PTL leads to decreased cell performance, with continuous uncoated regions having a more severe impact compared to multiple thin uncoated strips.
Article
Energy & Fuels
Marcos Tostado-Veliz, Xiaolong Jin, Rohit Bhakar, Francisco Jurado
Summary: In this paper, a coordinated charging price mechanism for clusters of parking lots is proposed. The research shows that enabling vehicle-to-grid characteristics can bring significant economic benefits for users and the cluster coordinator, and vehicle-to-grid impacts noticeably on the risk-averse character of the uncertainty-aware strategies. The developed pricing mechanism can reduce the cost for users, avoiding to directly translate the energy cost to charging points.
Article
Energy & Fuels
Duan Kang
Summary: Building an energy superpower is a key strategy for China and a long-term goal for other countries. This study proposes an evaluation system and index for measuring energy superpower, and finds that China has significantly improved its ranking over the past 21 years, surpassing other countries.
Article
Energy & Fuels
Fucheng Deng, Yifei Wang, Xiaosen Li, Gang Li, Yi Wang, Bin Huang
Summary: This study investigated the synergistic blockage mechanism of sand and hydrate in gravel filling layer and the evolution of permeability in the layer. Experimental models and modified permeability models were established to analyze the effects of sand particles and hydrate formation on permeability. The study provided valuable insights for the safe and efficient exploitation of hydrate reservoirs.
Article
Energy & Fuels
Hao Wang, Xiwen Chen, Natan Vital, Edward Duffy, Abolfazl Razi
Summary: This study proposes a HVAC energy optimization model based on deep reinforcement learning algorithm. It achieves 37% energy savings and ensures thermal comfort for open office buildings. The model has a low complexity, uses a few controllable factors, and has a short training time with good generalizability.
Article
Energy & Fuels
Moyue Cong, Yongzhuo Gao, Weidong Wang, Long He, Xiwang Mao, Yi Long, Wei Dong
Summary: This study introduces a multi-strategy ultra-wideband energy harvesting device that achieves high power output without the need for external power input. By utilizing asymmetry, stagger array, magnetic coupling, and nonlinearity strategies, the device maintains a stable output voltage and high power density output at non-resonant frequencies. Temperature and humidity monitoring are performed using Bluetooth sensors to adaptively assess the device.
Article
Energy & Fuels
Tianshu Dong, Xiudong Duan, Yuanyuan Huang, Danji Huang, Yingdong Luo, Ziyu Liu, Xiaomeng Ai, Jiakun Fang, Chaolong Song
Summary: Electrochemical water splitting is crucial for hydrogen production, and improving the hydrogen separation rate from the electrode is essential for enhancing water electrolyzer performance. However, issues such as air bubble adhesion to the electrode plate hinder the process. Therefore, a methodology to investigate the two-phase flow within the electrolyzer is in high demand. This study proposes using a microfluidic system as a simulator for the electrolyzer and optimizing the two-phase flow by manipulating the micro-structure of the flow.
Article
Energy & Fuels
Shuo Han, Yifan Yuan, Mengjiao He, Ziwen Zhao, Beibei Xu, Diyi Chen, Jakub Jurasz
Summary: Giving full play to the flexibility of hydropower and integrating more variable renewable energy is of great significance for accelerating the transformation of China's power energy system. This study proposes a novel day-ahead scheduling model that considers the flexibility limited by irregular vibration zones (VZs) and the probability of flexibility shortage in a hydropower-variable renewable energy hybrid generation system. The model is applied to a real hydropower station and effectively improves the flexibility supply capacity of hydropower, especially during heavy load demand in flood season.
Article
Energy & Fuels
Zhen Wang, Kangqi Fan, Shizhong Zhao, Shuxin Wu, Xuan Zhang, Kangjia Zhai, Zhiqi Li, Hua He
Summary: This study developed a high-performance rotary energy harvester (AI-REH) inspired by archery, which efficiently accumulates and releases ultralow-frequency vibration energy. By utilizing a magnetic coupling strategy and an accumulator spring, the AI-REH achieves significantly accelerated rotor speeds and enhanced electric outputs.
Article
Energy & Fuels
Yi Yang, Qianyi Xing, Kang Wang, Caihong Li, Jianzhou Wang, Xiaojia Huang
Summary: In this study, a novel hybrid Quantile Regression (QR) model is proposed for Probabilistic Load Forecasting (PLF). The model integrates causal dilated convolution, residual connection, and Bidirectional Long Short-Term Memory (BiLSTM) for multi-scale feature extraction. In addition, a Combined Probabilistic Load Forecasting System (CPLFS) is proposed to overcome the inherent flaws of relying on a single model. Simulation results show that the hybrid QR outperforms traditional models and CPLFS exceeds the best benchmarks in terms of prediction accuracy and stability.
Article
Energy & Fuels
Wen-Jiang Zou, Young-Bae Kim, Seunghun Jung
Summary: This paper proposes a dynamic prediction model for capacity fade in vanadium redox flow batteries (VRFBs). The model accurately predicts changes in electrolyte volume and capacity fade, enhancing the competitiveness of VRFBs in energy storage applications.
Article
Energy & Fuels
Yuechao Ma, Shengtie Wang, Guangchen Liu, Guizhen Tian, Jianwei Zhang, Ruiming Liu
Summary: This paper focuses on the balance of state of charge (SOC) among multiple battery energy storage units (MBESUs) and bus voltage balance in an islanded bipolar DC microgrid. A SOC automatic balancing strategy is proposed considering the energy flow relationship and utilizing the adaptive virtual resistance algorithm. The simulation results demonstrate the effectiveness of the proposed strategy in achieving SOC balancing and decreasing bus voltage unbalance.
Article
Energy & Fuels
Raad Z. Homod, Basil Sh. Munahi, Hayder Ibrahim Mohammed, Musatafa Abbas Abbood Albadr, Aissa Abderrahmane, Jasim M. Mahdi, Mohamed Bechir Ben Hamida, Bilal Naji Alhasnawi, A. S. Albahri, Hussein Togun, Umar F. Alqsair, Zaher Mundher Yaseen
Summary: In this study, the control problem of the multiple-boiler system (MBS) is formulated as a dynamic Markov decision process and a deep clustering reinforcement learning approach is applied to obtain the optimal control policy. The proposed strategy, based on bang-bang action, shows superior response and achieves more than 32% energy saving compared to conventional fixed parameter controllers under dynamic indoor/outdoor actual conditions.