...Belal Almasri; Sudhansu Mishra; Taraprasad Mohapatra; Vikas Bargah A Novel Multi-Fluid Heat Exchanger (NMFHE) deployed for simultaneous heating of water and space is experimentally investigated to predict its thermo-hydraulic, exergetic, and sustainability performance for distinct Al 2 O 3 , TiO 2...

... difference will be added in series with the existing unit of refrigeration. With the increase in heat load, the system will connect a new plate heat exchanger in parallel on the basis of the original heat exchange capacity. However, the circulating cooling water flowrate of the 42 T resistive magnet...

.... Some of the results have been validated against experimental results of an MRJ–T refrigerator available in the open literature. Details of the simulation model and the results of our studies on the prediction of stable operating range, maximum cooling capacity, the effect of heat exchanger geometry...

...Prabhav Agrawala; Yatharth Lilhare; Amit Arora Downsizing double-pipe heat exchangers is possible by deploying ribs on the two sides of the heat exchangers. The shape of these ribs, along with two key geometric variables – pitch and height, are crucial in the selection of energy-efficient rib...

...Dong Wang; Sensen Deng; Yinshuang Tao; Tiancheng Jiang; Mengxue Li; Yuehong Lu To improve the performance of the CO 2 heat pump water heater, the spiral groove tube casing heat exchanger is used as a gas cooler. At present, the flow mode of supercritical CO 2 (SCO 2 ) flowing between inner...

... release and compact heat exchanger designs. This study explores melting and solidification in a hairpin-type heat exchanger (HEX) using three PCMs (RT 50, RT 27, and RT 35). A 3D model of the HEX is drawn using Ansys-workbench. High-temperature fluid/low-temperature fluid (HTF/LTF) with Stefan numbers...

...Vishwas Kumar Pandey; Vinay Pratap Singh Negi; Chennu Ranganayakulu This study provides extensive research on fluid flow and heat transfer for four-layered ceramic-compact counterflow microchannel heat exchangers (CFMCHE) using CFD-ACE ® , a computational fluid dynamics (CFD) package. The goal...

... = material density ϕ S = the angle factor of direct solar radiation Ω S = the heat source region space manipulator temperature field thermal–structural coupling deformation output positioning accuracy aerospace heat transfer heat exchangers References [1...

.... In practice, turbulators are often used in exchangers to enhance heat transfer. Putting newly constructed turbulators in determined locations of the constant surface temperature heat exchanger, velocity, temperatures, pressure, and flow measurements have been performed in the inlet and outlet. In the case...

... resulting in an additional 21.2% in net power output. The model quantifies the impact of the sCO 2 heaters, with reduced heat uptakes for downstream boiler heat exchangers. Furnace water wall heat uptake increased due to overfiring, offsetting the reduced heat uptakes at downstream evaporative heat...

... flow blockage volume-averaged simulations electronic cooling extended surfaces/fins heat exchangers heat transfer enhancement porous media High porosity aluminum foams have been widely studied in a variety of flow configurations, which involves channel flow [ 1 – 3 ], impingement systems...

... and their heat transfer characteristics, pinch analysis enables the identification of heat recovery opportunities, leading to the design of an optimized heat exchanger network that minimizes energy requirements. In this study, a formulated stream splitting method is proposed to design a feasible minimum energy...

...Yajiao Liu; Yu Zhao; Tao Li; Ye Xiong; Li Liu; Zhiyong Li; Yuan Wang; Zizi Chen A novel three-dimensional numerical simulation model for the helix ground heat exchanger was proposed in this paper, which takes into account unsaturated soil properties. This model is more suitable for real working...

... for further research are identified. Email: mshah.erc@gmail.com 10 11 2023 25 03 2024 02 04 2024 23 04 2024 Graphical Abstract Figure boiling evaporation heat and mass transfer heat exchangers two-phase flow and heat transfer Evaporators and boilers...

... ) , T > T L i q u i d u s where ρ s , ρ l are the density in PCM when it is in solid/liquid state, γ = volume fraction of melted PCM during heat exchange, which is defined by an enthalpy-porosity model as [ 52 , 53 ] (3) γ = { 0...

...-compact counterflow microchannel heat exchangers (MCHEs). The computational 3D model was developed using an experimentally tested MCHE and validated with experimental data with 3–5% variation for hot fluid and 6–12% variation for cold fluid for the entire design of experiments (DoEs). This study aimed...

...Alessandro Terenzi Shell and Tube Heat Exchangers (STHEs) are commonly used in oil and gas plants to cool or heat process fluids. A possible issue when designing such systems is represented by the tube rupture scenario, when the internal HP (high-pressure) fluid is suddenly discharged to the LP...

... the performance of the heat exchangers. In this paper, the whole vehicle model was set up and the effect of the fan installation distance, the fan cowl coverage ratio, and the radial extension of the fan cowl outlet was researched by numerical simulation. The results show that due to the relative position...

...Tomoki Hirokawa; Ayarou Yamasaki; Osamu Kawanami This paper presents an experimental investigation of local heat transfer characteristics of single-phase flow in a plate heat exchanger (PHE). The local heat transfer coefficient is evaluated using a test section with PHE geometry for measuring wall...

... important objective for the research collaboration on solar air heater [ 6 ]. In the domain of solar collectors for harnessing solar energy, solar air heaters (SAHs) are the easiest and most widely used heat exchangers [ 1 ]. A solar air heater is one of the fundamental solar devices which converts...