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Second law analysis and multi-criteria optimization of turbulent heat transfer in a tube with inserted single and double twisted tape
Present paper deals with numerical modeling of heat transfer in a tube with two types of twisted tape inserted in a circular tube. Single twisted tape and double twisted (coaxial) tape as two enhancing elements are added to the circular
Thermodynamic and economic analyses and multi-objective optimization of harvesting waste heat from a biomass gasifier integrated system by thermoelectric generator
Thermoelectric waste heat recovery systems (WHRSs) can be used appropriately to recover wasted heat from various industrial processes. In the current work, new thermodynamic modeling was developed to harvesting waste heat from an integrated system includes an externally fired gas
Thermodynamic modeling and analysis of a novel heat recovery system in a natural gas city gate station
In the present study, five configurations of integrated system are introduced and comprehensive thermodynamic modeling and analysis for different arrangements are carried out. An organic Rankine flash cycle (ORFC) and a thermoelectric generator (TEG) are integrated with a real city
Feasibility study of using solar energy as a renewable source in office buildings in different climatic regions
Present research focus on using solar energy as a renewable option for office buildings in different climatic conditions in Iran. To seeking a way to use clean solar energy and reduce current expense in buildings an investigation carried out. Nine
Thermodynamic and economic assessment of an integrated thermoelectric generator and the liquefied natural gas production process
The current research deals with the thermodynamic and economic assessments of an integrated thermoelectric generator system with the liquefied natural gas production process. The main aim of the present work is investigation the influence of the thermoelectric generators modules location,
Performance enhancement of an integrated system with solar flat plate collector for hydrogen production using waste heat recovery
The current research presents the thermodynamic modeling and assessment of the solar-based integrated energy systems (IES) for hydrogen production with and without thermoelectric generators (TEGs) waste heat recovery system (WHRS). The results show that the net output power of the
A novel comprehensive experimental study concerned synthesizes and prepare liquid paraffin-Fe3O4 mixture to develop models for both thermal conductivity & viscosity: A new approach of GMDH type of neural network
This research aims to understand the impacts of volume concentration of Fe 3 O 4 nanoparticles and temperature on the viscosity & thermal conductivity of liquid paraffin based nanofluid. Several experiments are conducted in the Fe 3 O 4 concentration
Energy and exergy analysis and multi-criteria optimization of an integrated city gate station with organic Rankine flash cycle and thermoelectric generator
The current study deals with the thermodynamic modeling, and multi-objective optimization of a pressure reduction station integrated with an organic Rankine flash cycle (ORFC) and a thermoelectric generator (TEG) waste heat recovery system (WHRS). Using the real operating data of
Experimental investigation and develop ANNs by introducing the suitable architectures and training algorithms supported by sensitivity analysis: Measure thermal conductivity and viscosity for liquid paraffin based nanofluid containing Al2O3 nanoparticles
The objective of this experimental investigation is to assess the variations of thermal conductivity and viscosity of liquid paraffin-Al2O3 nanofluid containing oleic acid surfactant against temperature, nanoparticle mass concentration and surfactant concentration. The experiments are performed in the temperature range