scholarly journals Waste Heat Recovery Power Generation by ORC “Organic Rankine Cycle”

2013 ◽  
Vol 48 (2) ◽  
pp. 163-166
Author(s):  
Takatsugu Yuki ◽  
Masayuki Kawami
Keyword(s):  
Power Generation ◽  
Heat Recovery ◽  
Waste Heat Recovery ◽  
Waste Heat ◽  
Organic Rankine Cycle ◽  
Rankine Cycle

Power generation using waste heat recovery by organic Rankine cycle in oil and gas sector in Egypt: A case study

Energy ◽  
2014 ◽  
Vol 64 ◽  
pp. 462-472 ◽  
Author(s):  
Mohammed A. Khatita ◽  
Tamer S. Ahmed ◽  
Fatma. H. Ashour ◽  
Ibrahim M. Ismail
Keyword(s):  
Power Generation ◽  
Heat Recovery ◽  
Waste Heat Recovery ◽  
Oil And Gas ◽  
Waste Heat ◽  
Organic Rankine Cycle ◽  
Rankine Cycle ◽  
Oil And Gas Sector

Design of an Organic Rankine Cycle for Waste Heat Recovery From a Portable Diesel Generator

2011 ◽  
Author(s):  
Frederick J. Cogswell ◽  
David W. Gerlach ◽  
Timothy C. Wagner ◽  
Jarso Mulugeta
Keyword(s):  
Power Generation ◽  
Heat Exchanger ◽  
Heat Recovery ◽  
High Speed ◽  
Waste Heat Recovery ◽  
Waste Heat ◽  
Organic Rankine Cycle ◽  
Rankine Cycle ◽  
Diesel Generator ◽  
Air Conditioners

A 5-kW Organic Rankine Cycle (ORC) was designed for mobile 60-kW diesel engine waste heat recovery applications to provide additional electricity for powering air conditioners. The ORC uses a non-flammable, near-zero-global-warming-potential fluid (Novec649) in a supercritical cycle. The system conceptual design and some observations on the component specification are described. The system will utilize an advanced oil-free high speed direct drive turbine. The proposed power generation module has a volume of ∼3 ft3 and contains the turbine, generator, pump, recuperator, and electrical components. The heat rejection heat exchanger is located on the power generation module in a configuration similar to mini-split air conditioners. The heat recovery heat exchanger (supercritical heater) is attached to the diesel generator and placed in series before the OEM muffler. The supercritical heater must be carefully designed to prevent the refrigerant from overheating, while still maintaining a high effectiveness.

scholarly journals Component-Oriented Modeling of a Micro-Scale Organic Rankine Cycle System for Waste Heat Recovery Applications

2021 ◽  
Vol 11 (5) ◽  
pp. 1984
Author(s):  
Ramin Moradi ◽  
Emanuele Habib ◽  
Enrico Bocci ◽  
Luca Cioccolanti
Keyword(s):  
Electric Power ◽  
Heat Recovery ◽  
Waste Heat Recovery ◽  
Waste Heat ◽  
Organic Rankine Cycle ◽  
Rankine Cycle ◽  
Operating Conditions ◽  
Working Fluid ◽  
Pump Efficiency ◽  
Micro Scale

Organic Rankine cycle (ORC) systems are some of the most suitable technologies to produce electricity from low-temperature waste heat. In this study, a non-regenerative, micro-scale ORC system was tested in off-design conditions using R134a as the working fluid. The experimental data were then used to tune the semi-empirical models of the main components of the system. Eventually, the models were used in a component-oriented system solver to map the system electric performance at varying operating conditions. The analysis highlighted the non-negligible impact of the plunger pump on the system performance Indeed, the experimental results showed that the low pump efficiency in the investigated operating range can lead to negative net electric power in some working conditions. For most data points, the expander and the pump isentropic efficiencies are found in the approximate ranges of 35% to 55% and 17% to 34%, respectively. Furthermore, the maximum net electric power was about 200 W with a net electric efficiency of about 1.2%, thus also stressing the importance of a proper selection of the pump for waste heat recovery applications.

scholarly journals Biogas Engine Waste Heat Recovery Using Organic Rankine Cycle

Energies ◽  
2017 ◽  
Vol 10 (3) ◽  
pp. 327 ◽  
Author(s):  
Alberto Benato ◽  
Alarico Macor
Keyword(s):  
Heat Recovery ◽  
Waste Heat Recovery ◽  
Waste Heat ◽  
Organic Rankine Cycle ◽  
Rankine Cycle
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