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Energy Science &Engineering, EarlyView.Glazed transpired solar collectors achieve 48–75% efficiency and 11% more seasonal heat than unglazed designs by cutting convective losses, while both offer complementary benefits for ventilation preheating and dynamic wall insulation, with paybacks of 5.5–6.8 years.
Mohammad Fawaier +7 more
wiley +1 more source
Energy Science &Engineering, EarlyView.TiO2/chlorophyll bio‐hybrid nanofluid achieved the highest PVT performance, increasing thermal efficiency to 38.74% and overall efficiency to 51.35%, compared with 35.96% and 48.45% for Al2O3/water and 27.77% and 40.18% for water. The results demonstrate the potential of bio‐hybrid nanofluids for high‐efficiency solar thermal energy conversion ...
Oluwaseyi Omotayo Alabi +2 more
wiley +1 more source
Energy Science &Engineering, EarlyView.This graphical abstract presents a solar‐powered reverse osmosis (RO) system for the Sundarbans, Bangladesh. Mechanistic modeling reveals a critical seasonal mismatch: during the monsoon, feed water salinity peaks (24.8 ppt) while solar irradiance drops significantly.
Debasish Sarker +3 more
wiley +1 more source
Energy Science &Engineering, EarlyView.The novelty of the current study is that the unsteady MHD Cross nanofluid model is, for the first time, coupled with the melting heat transfer at the stagnation point over a horizontally extended cylinder in a Darcy–Forchheimer porous medium. This work connects complex rheological behaviors and phase‐change phenomena in a unique way, with the only ...
Fahad Maqbul Alamrani +6 more
wiley +1 more source
A Control Strategy With Hybrid Compressor Modeling for Electric Vehicle CO2 Heat Pump Systems
Energy Science &Engineering, EarlyView.A hybrid PSO‐BP compressor sub‐model is developed and embedded in a MATLAB/Simscape physical model of a transcritical CO2 heat pump system for electric vehicles. Based on this high‐fidelity platform, a phased variable‐PTC cooperative control strategy is proposed and evaluated.
Jiaqi Dong +5 more
wiley +1 more source
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NATURAL CONVECTION IN A SEMIELLIPTIC CAVITY
Numerical Heat Transfer, 1987Natural convective steady-state motion inside a bidimensional semielliptic cavity is investigated numerically by means of a finite-element algorithm. The ceiling of the cavity is kept at a known temperature with a sinusoidal spatial distribution and the floor is assumed thermally insulated.
Martín del Campo, Ernesto +2 more
openaire +2 more sources
Parallel computation for natural convection
Concurrency: Practice and Experience, 1997Summary: Parallel computation for two-dimensional convective flows in cavities with adiabatic horizontal boundaries and driven by differential heating of two vertical end walls are investigated using the Intel Paragon, Intel Touchstone Delta, Cray T3D and IBM SP2.
P. Wang, Robert D. Ferraro
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Natural convection in droplet evaporation
Physical Review E, 1996Although droplet evaporation is widely assumed to be a diffusion process, our results show that when a droplet evaporates sufficiently fast it exhibits a vigorous interior flow. This flow is driven by surface tension gradients. The typical interior flow field behavior is shown as well as measurements of the droplet surface area and volume as it ...
, Hegseth, , Rashidnia, , Chai
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Stability of Transient Natural Convection
The Physics of Fluids, 1969A theoretical analysis was carried out to determine the stability properties of unsteady natural convection. In this analysis a perturbation technique was used in conjunction with a special type unsteady base flow for transient natural convection between two infinite parallel vertical plates.
Gunness, Robert C. jun. +1 more
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