Results 51 to 60 of about 1,246 (181)

Energy and exergy analyses for organic Rankine cycle driven by cooling water of passenger car engine using sixteen working fluids

Energy Conversion and Management: X, 2023
In this study, energy and exergy analyses of an organic Rankine cycle (ORC) for waste heat recovery from a passenger car engine cooling water are performed numerically.
Ali Elmaihy, Ahmed Rashad, Ahmed Elweteedy, Waleed Nessim   +3 more
doaj   +1 more source

A Review on High‐Temperature Phase‐Change Materials for Waste Heat Recovery: Advances in Materials, System Integration, and Industrial Sustainability

Advanced Energy and Sustainability Research, Volume 7, Issue 6, June 2026.
This review evaluates recent advancements in high‐temperature phase‐change materials for industrial waste heat recovery above 150°C. Analyzing materials like metallic alloys and molten salts, the study demonstrates that optimized integration can increase recovery efficiency by 20%–40%.
Pietropaolo Morrone, Niccolò Vilotta, Piero Bevilacqua, Angelo Algieri, Krishn Chandra, Teresa Donateo   +5 more
wiley   +1 more source

Engine Load Effects on the Energy and Exergy Performance of a Medium Cycle/Organic Rankine Cycle for Exhaust Waste Heat Recovery

Entropy, 2018
The Organic Rankine Cycle (ORC) has been proved a promising technique to exploit waste heat from Internal Combustion Engines (ICEs). Waste heat recovery systems have usually been designed based on engine rated working conditions, while engines often ...
Peng Liu, Gequn Shu, Hua Tian, Xuan Wang
doaj   +1 more source

Intelligent Control Framework of District Heating Systems Considering Waste Heat Utilization in Data Centers

Energy Science &Engineering, Volume 14, Issue 6, Page 2704-2720, June 2026.
A deep reinforcement learning–based control architecture is proposed to coordinate heat pumps, thermal storage, renewable energy, and demand response in data center waste heat recovery systems. The agent learns optimal control actions from system states and reward feedback to achieve electrical–thermal co‐optimization under realistic operational ...
Rendong Shen, Ruifan Zheng, Shengyuan Zhong, Lei Gu, Dongfang Yang, Jun Zhao   +5 more
wiley   +1 more source

A Hot Water Split-Flow Dual-Pressure Strategy to Improve System Performance for Organic Rankine Cycle

Energies, 2020
The organic Rankine cycle (ORC) is widely used to recover industrial waste heat. For an ORC system using industrial waste hot water as a heat source, a novel hot water split-flow dual-pressure organic Rankine cycle (SFD-ORC) system is developed to ...
Shiqi Wang, Zhongyuan Yuan
doaj   +1 more source

Comparative Experimental Efficiency of Solar Water Heating Systems With Enhanced Thermal Performance: A Review

Energy Science &Engineering, Volume 14, Issue 6, Page 3056-3072, June 2026.
This review presents a comparative analysis of experimental studies aimed at improving the thermal efficiency of solar water heating (SWH) systems. Various enhancement techniques, including nanofluids, phase change materials, optimized collector designs, and hybrid photovoltaic–thermal systems, are evaluated based on their impact on system performance ...
Oluwaseyi O. Alabi, Oluwatoyin J. Gbadeyan, Oludolapo A. Olanrewaju   +2 more
wiley   +1 more source

Zeotropic mixture as a working fluid for cascade Rankine cycle-based reverse osmosis: Energy, exergy, and economic analysis

International Journal of Thermofluids
This study investigates the cascade Rankine cycle coupled with a reverse osmosis system for brackish groundwater treatment. The proposed system integrates a steam Rankine cycle (SRC) and an organic Rankine cycle (ORC) in a looped configuration, utilizing
Milan Raninga, Anurag Mudgal, Vivek Patel, Jatin Patel   +3 more
doaj   +1 more source

Design and Optimization of a Novel Kalina‐Organic Rankine Cycle System Based on LNG Cold Energy Utilization

Asia-Pacific Journal of Chemical Engineering, Volume 21, Issue 3, May/June 2026.
ABSTRACT This study proposes a novel integrated system (SDKC‐DORC) that combines a split‐flow dual‐pressure Kalina cycle with a secondary organic Rankine cycle for the synergistic utilization of solar energy and liquefied natural gas (LNG) cold energy.
Ke Xiao, Kun Wang, Wenquan Jiang, Fan Yang, Changshun Wang, Chengjie Su, Junjie Liu   +6 more
wiley   +1 more source

Integrated Flue‐Gas Heat Recovery for Optimized Steam and Power Generation Using Organic Rankine Cycle (ORC): A Technical and Economic Assessment

Energy Science &Engineering, Volume 14, Issue 5, Page 2499-2513, May 2026.
Integration of a steam cycle with an existing gas turbine increased efficiency from 32% to 51%, reducing fuel consumption by 21.4% and CO2 emissions by 18.6%. The modification generated USD 13.9 million annual savings and lowered the Levelized Cost of Energy to 38.7 USD/MWh, with a 3‐year payback.
Vahid Pirouzfar, Anashe Aghajani, Chia‐Hung Su   +2 more
wiley   +1 more source

Waste Heat Recovery of a PEMFC System by Using Organic Rankine Cycle

Energies, 2016
In this study, two systems are brought forward to recover the waste heat of a proton exchange membrane fuel cell (PEMFC), which are named the organic Rankine cycle (ORC), and heat pump (HP) combined organic Rankine cycle (HPORC). The performances of both
Tianqi He, Rongqi Shi, Jie Peng, Weilin Zhuge, Yangjun Zhang   +4 more
doaj   +1 more source