Results 61 to 70 of about 34,483 (233)

Study on Dynamic Characteristics and Control Strategies of Large Scale Cyclopentane Flooded Organic Rankine Cycle System

Energy Science &Engineering, Volume 14, Issue 1, Page 61-79, January 2026.
Cyclopentane shows great potential as a working fluid for recovering gas turbine exhaust heat in organic rankine cycle (ORC) systems. A dynamic characteristics and control strategies analysis of a flooded ORC system using cyclopentane reveals that system safety can be ensured by adjusting the working fluid pump speed based on evaporator liquid‐level ...
Haibo Xu, Xiaogang Qin, Xuan Wang, Weizheng An, Pengcheng Liu, Zuyan Zhang, Yingyi Ma   +6 more
wiley   +1 more source

Comparative evaluation of COP and phase change impacts in reversed rankine and brayton cycles for high-temperature heat pump systems

Energy Conversion and Management: X
The growing demand for industrial heat has sparked fresh interest in high-temperature heat pumps (HTHPs) because they can offer a low-cost method to upgrade low temperature waste heat.
Amir Qatarani Nejad, Bo Yang, Eric Hu, Maziar Arjomandi   +3 more
doaj   +1 more source

Hybrid Geothermal and PV Installations for Cooling and Heating Systems: Synergy for Sustainability in Tertiary and Industry Sectors

International Journal of Energy Research, Volume 2026, Issue 1, 2026.
Recent studies confirm the potential efficiency of geothermal resources for maintaining comfortable building temperatures through cooling and heating solutions. In addition, a variety of initiatives have been promoted to effectively reduce both environmental concerns and energy crisis by the integration of renewables.
Agustín Sánchez-Del Rey, Angel Molina-García, Isabel C. Gil-García, Adela Ramos-Escudero, Olubayo Babatunde   +4 more
wiley   +1 more source

Utilization of waste heat in trucks for increased fuel economy [PDF]

Improvements in fuel economy for a broad spectrum of truck engines and waste heat utilization concepts are evaluated and compared. The engines considered are the diesel, spark ignition, gas turbine, and Stirling.
Degrey, S. P., Finegold, J. G., Leising, C. J., Purohit, G. P.   +3 more
core   +4 more sources

Advancing Sustainability and Efficiency in Coal‐Fired Boilers: A Critical Review of Prediction Models and Optimization Strategies for Emission Reduction

International Journal of Energy Research, Volume 2026, Issue 1, 2026.
Coal‐fired boilers continue to serve as a primary energy source worldwide, yet their operational efficiency and environmental impact present persistent challenges. This critical review examines recent advancements in performance prediction models and optimization strategies aimed at enhancing the efficiency and sustainability of coal‐fired boilers.
Noor Akma Watie Mohd Noor, Norliza Abd. Rahman, Jarinah Mohd Ali, Suzana Yusup, Payman Jalali   +4 more
wiley   +1 more source

Energetic and Exergetic Insights into Geothermal Sourced ORC and Supercritical CO₂ Systems

Applied Sciences
This study investigates the thermodynamic performance of two power-generation systems driven by a geothermal heat resource. The first configuration is an organic Rankine cycle (ORC) employing cyclopentane, R152a, and R1233zd as working fluids, while the ...
Seyfullah Sinan Ateş, Ali Koç, Özkan Köse   +2 more
doaj   +1 more source

Implications of Innovative Nuclear Technologies on Ghana’s Nuclear Future

Science and Technology of Nuclear Installations, Volume 2026, Issue 1, 2026.
Innovations in nuclear technology have the potential to play a transformative role in Ghana’s pursuit of a secure, reliable and low‐carbon energy future. This review examines recent global advances in nuclear reactor technologies, fuel cycle systems, waste management approaches, regulatory practices and digital applications and assesses their relevance
R. G. Abrefah, B. K. A. Baiden, F. Ameyaw, S. A. Zakaria, Doddy Kastanya   +4 more
wiley   +1 more source

Comparative performance of twenty-three types of flat plate solar energy collectors [PDF]

, 1975
Report compares efficiencies of 23 solar collectors for four different purposes: operating a Rankine-cycle engine, heating or absorption air conditioning, heating hot water, and heating a swimming ...
Simon, F. F.
core   +1 more source

Experimental investigation of a cascaded organic Rankine cycle plant for the utilization of waste heat at high and low temperature levels [PDF]

, 2020
A power plant with two cascaded organic Rankine cycles (CORC) to exploit waste heat from a 800 kWe combined heat and power plant, fueled by biogas, is designed and tested.
Heim, André, Linnemann, Matthias, Priebe, Klaus-Peter, Vrabec, Jadran, Wolff, Carsten   +4 more
core   +1 more source

Numerical Study of Thermophoretic and Inertial Deposition of Aerosol Particles on a Heat Exchanger Tube Under Flue Gas Conditions

Science and Technology of Nuclear Installations, Volume 2026, Issue 1, 2026.
Recovering low‐grade waste heat from coal‐fired flue gas is crucial for improving power plant efficiency and reducing emissions. However, substantial aerosol deposition on heat exchanger tubes undermines long‐term system performance. Although thermophoresis dominates submicron particle transport under thermal gradients, many existing studies overlook ...
Xizhen Ma, Chenyi Huang, Yushen Lin, Zhiang Han, Kaixin Huang, Hui Liang, Ruiying Zhu, Jiang Ma, Arkady Serikov   +8 more
wiley   +1 more source