Results 51 to 60 of about 1,409 (180)

Experimental Thermal Performance Investigation of Nontracking Multiple Parabolic Trough Collector With a Single Absorber

Energy Science &Engineering, Volume 14, Issue 8, Page 3584-3607, August 2026.
With a mass flow rate of 0.3 kg/min, a direct solar radiation of 770.25 W/m2, and a global solar radiation of 915.25 W/m2, the maximum outlet water temperature was 63.3°C, the maximum instantaneous efficiency was 51.78%, and the average heat gain was found between 69.81 and 206.88 W, depending on mass flow rate and direct solar radiation.
Md. Akib Ul Islam, Golam Sharoar Fahim, Maruf Amin Sabbir, Nahyan Ahnaf Pratik, Md. Mahmodul Alam, Md. Hasan Ali   +5 more
wiley   +1 more source

Comprehensive Experimental Investigation of Rosehip (Rosa canina L.) Seed Oil as a Novel Biodiesel Feedstock: Engine Performance, Combustion, Emission, and Exergy Analyses

Global Challenges, Volume 10, Issue 8, August 2026.
Rosehip seed oil is converted into biodiesel (Rosehip Seed Oil Methyl Ester‐RSOME) and experimentally evaluated in a diesel engine. Comprehensive analyses of engine performance, emissions, combustion characteristics, and exergy reveal the effects of RSOME blends on engine behavior, providing insights into the utilization of this novel biodiesel ...
Erdoğan Güner
wiley   +1 more source

Heat Transfer Enhancement in a Three‐Fluid Tubular Heat Exchanger Using Al2O3–Water Nanofluid

Engineering Reports, Volume 8, Issue 7, July 2026.
Experimental investigation of Al2O3‐water nanofluid in a three‐fluid tubular heat exchanger shows enhanced Nusselt number with increased flow rate and nanoparticle concentration, while the friction factor reduces. Thermal performance factor exceeds unity, confirming the net benefit of nanofluid use in multi‐stream heat exchangers.
Tarikayehu Amanuel Untisso, Manish Mishra   +1 more
wiley   +1 more source

Exergy‐Based Simulation and Optimization of Multiagent MSW Gasification for Sustainable Energy Recovery Using Aspen Plus

Energy Science &Engineering, Volume 14, Issue 7, Page 3118-3131, July 2026.
ABSTRACT Thermochemical gasification is one of the most efficient methods for producing solid waste synthesis gas. Therefore, to predict and analyze the process of gasification of municipal solid waste (MSW) in a downdraft fixed‐bed gasification reactor with a thermal capacity of 2.1 kW, a comprehensive numerical modeling approach based on Gibbs free ...
Mohammad Reza Gharib, Payam Danesh, Ali Delarami   +2 more
wiley   +1 more source

Monthly Energy, Exergy, Environmental, and Economic Performance and Green Hydrogen Production Analysis of a Flat‐Plate Solar Collector‐Driven Organic Rankine Cycle System Under Variable Mass Flow and Irradiance

ChemistryOpen, Volume 15, Issue 7, July 2026.
The feasibility of using a hybrid flat‐plate solar collector–organic Rankine cycle–proton exchange membrane system for the generation of electricity, heat, and hydrogen simultaneously is analyzed. The energy efficiency of the solar thermal system reaches 23.82%, and hydrogen production of up to 13.62 kg/month is achieved while reducing CO2 emissions ...
Ayhan Atiz, Ismail Bozkurt, Mehmet Karakilcik   +2 more
wiley   +1 more source

Designing a Sustainable Organic Rankine Cycle for Remote Geothermal Heat Sources in Pakistan

Materials Proceedings
This paper discusses a thorough analysis, as well as the design, of an environmentally friendly, single-stage Organic Rankine Cycle (ORC) system, particularly optimized for untapped geothermal applications in Pakistan that are secluded and off-grid, to ...
Muhammad Shoaib Ijaz, Marig Shabbir Ansari, Aftab Sabghatullah, Intesar Alam, Muhammad Qasim Zafar   +4 more
doaj   +1 more source

Finding a mix of renewable energy for different stakeholders by applying multi‐criteria decision‐making techniques

International Transactions in Operational Research, Volume 33, Issue 4, Page 2499-2534, July 2026.
Abstract This paper presents a two‐stage model for planning a renewable energy portfolio by balancing economic, social and environmental sustainability goals. The first stage addresses a multi‐objective problem where conflictive impacts generated by the energy portfolios should be optimised according to the corresponding economic, social or ...
Amelia Bilbao‐Terol, Verónica Cañal‐Fernández, Carmen González‐Pérez   +2 more
wiley   +1 more source

Exergy Analysis of Steam Pressure Reduction Valve in Marine Propulsion Plant on Conventional LNG Carrier

Naše More (Dubrovnik), 2018
Paper has presented an exergy analysis of steam pressure reduction valve, unavoidable element in the steam propulsion plant on LNG carrier. The steam pressure reduction valve was analyzed in a wide range of steam system loads.
Vedran Mrzljak, Igor Poljak, Božica Žarković   +2 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

In-Depth Exergy Analysis of the Thermochemical Conversion of Flax Straw via Pyrolysis

Eng
Pyrolysis is a promising thermochemical conversion process for transforming biomass waste into valuable products like bio-oil, syngas, and biochar. Understanding the thermodynamic efficiency of this process is important for optimizing its design and ...
Aknur Temireyeva, Yerbol Sarbassov, Dhawal Shah   +2 more
doaj   +1 more source