Results 251 to 260 of about 41,996 (315)
Environmental Progress &Sustainable Energy, EarlyView.Abstract Liquid fuels contain a large number of components. However, it is not computationally feasible to implement the detailed composition into numerical solvers in combustion chamber design. Surrogate mixtures are used to facilitate calculations, which can reproduce the fuel characteristics with fewer components providing reasonable accuracy ...
Dávid Csemány
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A Comparative Life Cycle Assessment of Residential Heating Systems in Tehran, Iran
Energy Science &Engineering, EarlyView.ABSTRACT Environmental pollution from different gas heating systems in residential buildings has significant impacts, especially in urban areas due to their high density. This study conducts a comparative life cycle assessment of two commonly used residential heating systems in Tehran: the Central Boiler Room (CBR) and the wall‐hung boiler (WHB). Using
Hossein Vahidi, Mohsen Esfahanizadeh
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Energy Science &Engineering, EarlyView.This diagram illustrates the flowchart of a coal‐based multi‐energy combined supply system. The system integrates gasification, purification, power generation, waste heat recovery, and refrigeration, achieving cascade utilization of energy while simultaneously producing electricity, heating, cooling, and synthesis gas.
Shiwei Yu +3 more
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Numerical Simulation Study on Solid‐Carrying Capacity of Mixed Hydrate Slurry in Horizontal Pipe
Energy Science &Engineering, EarlyView.Distribution diagram of hydrate volume fraction in the outlet section under different Reynolds numbers. The numerical simulation study was carried out on the hydrate sediment mixed slurry in a horizontal tube with the guide strip rotating throughout the whole process, to explore the solid‐carrying capacity of spiral flow, expand the safety boundary of ...
Yongchao Rao +3 more
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Energy Science &Engineering, EarlyView.ABSTRACT This study studies the effect of bucket shape and geometry on the performance of solar water heating systems. Three plexiglass (PMMA) buckets were chosen: cylindrical, frustum, and inverted frustum. Each bucket has a capacity of 13 L and 3 mm wall thickness.
Pankaj Dumka +5 more
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Natural convection boiling of sodium in a simulated FBR fuel assembly subchannel
, 1979 P. W. Garrison +2 more
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External Natural Convection [PDF]
, 1992 Numerical calculation from the full differential equations for convection in an unbounded region is expensive, and hence approximate solutions are important. For small values of the Rayleigh number Ra, perturbation methods are appropriate. At large values of Ra thermal boundary layers are formed, and boundary layer theory is the obvious method of ...
Donald A. Nield, Adrian Bejan
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Natural Convection in Nanofluids [PDF]
, 2021 The natural convection is ubiquitous in nature, and technology and abundant of experimental and numerical studies have been conducted to investigate the fascinating characteristics of the phenomena. The natural convection has the wide range of application in almost every field of technologies such as solar energy, electronics cooling and nuclear energy.
Aditya Kumar, Sudhakar Subudhi
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Natural Convection in Enclosures
Journal of Heat Transfer, 1972There exists a great diversity of buoyancy flows in enclosures that are of interest in science and technology. These buoyancy flows pose new and challenging physical and mathematical problems. Emphasis is given to the complexities of the phenomena, viz., the coupling of the flow and transport and of the boundary-layer and core flows, the interaction ...
openaire +3 more sources