Daniel Dragomir-Stanciu
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View article: Assessing the Capability of KELM Meta-Model Approach in Predicting the Energy Dissipation in Different Shapes Channels
Assessing the Capability of KELM Meta-Model Approach in Predicting the Energy Dissipation in Different Shapes Channels Open
For transition of a supercritical flow into a subcritical flow in an open channel, a hydraulic jump phenomenon is used. Different shaped channels are used as useful tools in the extra energy dissipation of the hydraulic jump. Accurate pred…
View article: The Influence of Condensing Temperature on the Efficiency of Solar Power Systems with ORC
The Influence of Condensing Temperature on the Efficiency of Solar Power Systems with ORC Open
Organic Rankine cycle technology is suitable for electricity production from low-grade heat sources: solar, geothermal, waste heat. The thermal efficiency of the organic Rankine cycle is influenced the value of the minimum temperature of t…
View article: Improving the energy efficiency of a internal combustion engine cogeneration system using ORC as bottoming cycle
Improving the energy efficiency of a internal combustion engine cogeneration system using ORC as bottoming cycle Open
CHP plants have high efficiency and low cost of electricity and heat. When number of heat consumers decreases the efficiency of CHP plants is significantly reduced, leading to price increases for electricity production. A solution for incr…
View article: The Influence of Alternative Regeneration on the Performance of Gas Turbine Cogeneration Plants
The Influence of Alternative Regeneration on the Performance of Gas Turbine Cogeneration Plants Open
Cogeneration plants must always ensure correlation of heat production with customer requirements. In a gas turbine cogeneration plant, the methods currently used are exhaust in the atmosphere of a fraction of the flow gas for thermal power…
View article: Solar Power Generation System with Low Temperature Heat Storage
Solar Power Generation System with Low Temperature Heat Storage Open
The paper analyze a small power generating system that convert solar energy into electricity using an organic Rankine cycle. Solar thermal energy is stored at low temperature in a phase change material. The phase change material used is pa…
View article: The Behavior of a 1.4301 Stainless Steel Subjected to Cryogenic Temperatures
The Behavior of a 1.4301 Stainless Steel Subjected to Cryogenic Temperatures Open
Usually equipments that work at low and cryogenic temperatures are made of stainless steel due to their good mechanical and anti corrosion properties. The best stainless steels for this kind of applications are the ones that present an aus…
View article: The Influence of the Flame Stabilization Air Intake Holes Diameter on the no Production in an Industrial Gas Turbine
The Influence of the Flame Stabilization Air Intake Holes Diameter on the no Production in an Industrial Gas Turbine Open
Combustion chambers have a very important role in the functioning and efficiency of gas turbine engines. The role of a combustion chamber is to convert the chemical energy of a fuel, in the presence of air, into thermal energy so that the …
View article: Optimization of Heat Exchange in a Heat Accumulator with Latent Heat Storage
Optimization of Heat Exchange in a Heat Accumulator with Latent Heat Storage Open
The paper analyzes the possibility to optimize the construction of a heat exchanger, which has the role of thermal accumulator in a solar energy storage system for residential use. The storage of solar energy is made in a phase change mate…