... 05 2023 15 06 2023 17 07 2023 solar tower power plant direct steam generation thermal performance external receiver longitudinal rectangular fins computational fluid dynamics Solar Central Tower Power Plants (SCTPP) present a high potential for producing electricity...

...Shailendra Kumar Chaurasiya; Satyender Singh This experimental thermal performance investigation presents that the hot air at a significantly high temperature, and simultaneously at high power density and energy density of phase change material (PCM) can be obtained utilizing a novel design of PCM...

..., diamond, and Schoen-I-graph and wrapped package (IWP), are numerically investigated. The heat transfer, pressure loss, and thermal performance are compared at Reynolds numbers of 10,000–30,000. Notably, among the studied TPMS structures, the diamond-sheet structure is selected as the optimal model...

... 10,000 (α = 0.29, Dh = 21.7 mm, and tclad = 0.25 mm) To more precisely study the thermal performance of a Na-cooled cladded copper-based miniature heat sink, cladding layer thermal efficiency, f clad , is defined in Eq. (7) . The cladding layer thermal efficiency is obtained using the ratio...

...Sainan Lu; Kambiz Vafai The chip-size integrated double-layer microchannels (DLMCs) and multilayer microchannels (MLMCs) are investigated to optimize the thermal performance of three-dimensional integrated circuits (3D ICs). The chip-size integrated DLMCs without a heat spreader and a heat sink...

... = 12,000. 1 Corresponding author. e-mail:  jnanabharat270@gmail.com 20 05 2022 22 10 2022 22 11 2022 solar air heater Nusselt number friction factor thermal performance W-shaped ribs The existence of ribs causes the fluid flow to separate from itself at the tip...

...   =   1 2 C f ′ ρ V 2 Fig. 6 Results of ( a ) energy consumption and ( b ) thermal performance parameter ( Q Gain / P Blower ) when equal mass flow rate is provided to each design, at X / D h  = 0.45, Y / D h  = 0.90, D...

...Tingting Hao; Hongbin Ma; Xuehu Ma A new oscillating heat pipe (OHP) charged with hybrid fluids can improve thermal performance. The key difference in this OHP is that it uses room temperature liquid metal (Galinstan consisting of gallium, indium, and tin) and water as the working fluid. The OHP...

...M. E. Nakhchi; J. A. Esfahani Numerical simulations are used to analyze the thermal performance of turbulent flow inside heat exchanger tube fitted with cross-cut twisted tape with alternate axis (CCTA). The design parameters include the Reynolds number ( 5000 < Re < 15 , 000 ) , cross-cut...

...-dimensional (3D) numerical model and surface-to-surface radiation model coupled to Rosseland approximation for radiation heat transfer. The effects of operating conditions and the porous structural parameters on the reactor thermal performance were investigated significantly. It was found that large axial...

...” that characterizes the constructal law. thermal performance electronic cooling high conductivity optimum design constructal Constructal theory and design [ 1–4 ] have emerged as the evolutionary design philosophy for developing flow architectures that offer greater flow access and system...

... was used in this study. heat transfer pin fins tip clearance low Reynolds number thermal performance minichannels Advances in electronics and power generation technologies have lead to requirements for increasing heat and mass transfer. In many cases the ability to reject heat...

... Cross-Sections ,” Int. J. Heat Mass Transfer , 55 , pp. 73 – 88 . 10.1016/j.ijheatmasstransfer.2011.08.041 [18] Gong , L. , Kota , K. , Tao , W. , and Joshi , Y. , 2011 , “ Thermal Performance of Microchannels With Wavy Walls for Electronics Cooling ,” IEEE Trans. Compon...

... , “ Role of Random Roughness on Thermal Performance of Microfins ,” J. Thermophys. Heat Transfer , 21 ( 1 ), pp. 153 – 157 . 10.2514/1.22353 [14] Najafi , M. , Ramezanizadeh , M. , Taeibi-Rahni , M. , and Saidi , M. H. , 2006 , “ Analytical Solution of Fin/Slab Heat Transfer...

... on the dynamics of the nanofluid in CFMCHE and the thermal performance comparison, it is concluded that Brownian motion has a key role in effectiveness enhancement. According to the calculated results, we draw the following conclusions: 1 At a constant Reynolds number and volume fraction, CFMCHE with Al...

... characteristics in microsized wavy channels was performed by varying the wavy feature amplitude, wavelength, and aspect ratio for different Reynolds numbers between 50 and 150. Two different types of wavy channels were considered and their thermal performance for a constant heat flux of 47 W / cm 2 was compared...

... number thermal performance entropy generation minimization (EGM) minichannels Heat transfer from or to a surface can be augmented by the use of extended surfaces or fins primarily by increasing the heat transfer area and/or increasing heat transfer coefficient. Cylindrical or pin fins...

... and porosity. The thermal performance was evaluated by the ratio of the Nusselt number with and without a high porous material and the entropy generation. It was recognized that the high porous material was effective in low Reynolds numbers and the Reynolds number, which minimized the entropy generation...

... laminar flow wakes heat transfer pin fins tip clearance low Reynolds number thermal performance minichannels Extended surfaces, or fins, are commonly used to increase the rate of heat transfer by increasing the total heat transfer surface area, boundary layer regeneration, and inducing...