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Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 16 of 16 for “"Plate heat exchangers"”.
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Sensitivity study of plate heat exchangers
Thesis (M.S.)--Michigan State University. Dept. of Agricultural Engineering, 1973
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Flow distribution in brazed plate heat exchangers
Brazed plate heat exchangers (BPHEs) have been widely used in the heating, ventilating, air conditioning, and refrigeration (HVAC&R) industry for their compactness and high heat transfer coefficient. However, they suffer from the flow maldistribution among parallel plate channels. Especially when …
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Convective boiling of refrigerants near the micro-macroscale transition inside plate heat exchangers
… flow morphology and its impact on evaporative heat transfer and pressure drop during plate heat exchanger (PHE) operation at low mass flux conditions. While there is interest in this operating regime in the heating, ventilating, air conditioning, and refrigeration industries, especially for …
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Simultaneous flow visualization and local heat transfer measurements of two-phase flow in plate heat exchangers
Submission published under a 24 month embargo labeled 'U of I Access', the embargo will last until 2024-12-01
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A new experimental approach of characterizing two-phase flow and heat transfer in plate heat exchangers
Heat transfer of two-phase flow is not well characterized for plate heat exchangers (PHEs) despite their wide applications. No general correlations in the public domain are capable of accounting for all different effects of geometrical parameters, working fluids and operating conditions. The …
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Developing Innovative Heat Exchangers in a Small-Medium Enterprise: Modelling and Implementation of Pillow Plate Heat Exchangers
… solutions has driven innovative approaches in heat exchanger design, with Pillow Plate Heat Exchangers (PPHEs) emerging as a promising technology. After a concise but complete overview on the available scientific literature, this research explores the design, experimental validation, and …
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Flow -Induced Noise in Heat Exchangers
… of the flow-induced noise produced by plate heat exchangers, arrays of cylinders, cylinders in tandem, side by side cylinders, single cylinders of constant diameter and ""hourglass"" shaped cylinders inside a rectangular duct have been made. The acoustic field in parts of the duct in …
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Experimental Evaluation of Innovative Catalytic Heat Exchangers for Energy-efficient Amine-based Post-combustion CO₂ Capture Processes
… processes by developing and optimizing catalytic heat exchangers. The guiding principle was to address challenges, including operational complexity and high energy consumption, while minimizing costly modifications to existing piping and infrastructure in pilot plants. The feasibility of novel …
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PLATE HEAT EXCHANGER IMPROVEMENTS WITH SHAPE OPTIMIZATION
Plate Heat Exchangers (PHXs) are used in a wide variety of applications including, but not limited to Heating, Ventilation, Air-Conditioning, and Refrigeration (HVAC&R). PHXs are favored by the HVAC&R industry due to their compactness, flexible sizing, close approach temperature, and good heat …
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Modeling, Control and Optimization of a Plate Reactor
A new chemical reactor, the Alfa Laval Plate Reactor, is being developed by Alfa Laval, a Swedish world-leading heat exchanger company. The plate reactor combines the high-heat-transfer capabilities of plate heat exchangers with the efficient mixing and reaction control typical of microreactors. …
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Experimental and Numerical Modelling of Gasket Materials and Property Correlation
… (Ethylene Propylene Diene Monomer) gasket for plate heat exchangers. In all of the cases, the estimated E values based on shore hardness tests are able to predict the deformation of the material under different loading conditions including tensile and compression tests on samples of different …
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Evaluation of Existing Subsurface Cooling Systems Worldwide and Development of Efficient Cooling Methods and Systems Based on Renewable Energy Sources
… to considerable depth, the issue of mitigating heat will require substantial cooling capacity in some cases. For deep deposits to be mined at increasing depths, mechanical cooling systems used to maintain an acceptable underground climate will most surely become increasingly complex and …
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Biofilm Formation by Common Dairy Sporeformers on Native and Modified Stainless Steel Surfaces
… (AMC 18, Dursan, Ni-PPTFE and Lectrofluor 641). Heat resistant aerobic spore-forming bacteria were specifically picked for this study as these can survive pasteurization, Ultra High Temperature (UHT) treatment and can also develop Heat Resistant Spores (HRS), which can potentially contaminate the …
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Development of enhanced heat transfer components and heat pump systems for decarbonization
Submission published under a 24 month embargo labeled 'Closed Access', the embargo will last until 2027-08-01
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A FR 13 microbiological global risk model: demonstrated for pasteurization of raw milk with viable Mycobacterium avium subsp. paratuberculosis
… unit operation, consisting of individual 1) heat-up, 2) holding and 3) cool-down, unit-operations is selected as a prudent and stringent test of the Fr 13 risk thesis to multi-step unit-operations. An initial assessment, based on typical commercial pasteurization equipment for raw milk (plate …