Search Results - "Pietrowicz, Sławomir"

A review of the capabilities of high heat flux removal by porous materials, microchannels and spray cooling techniques by Smakulski, Przemysław, Pietrowicz, Sławomir

“…•Three direct cooling techniques are presented and compared in detail.•The thermal and flow parameters which have influence on performances are…”
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A review of scraped surface heat exchangers: Parameters describing thermal-fluid processes, influence of their internal geometric parameters and energy consumption by Kowalski, Kamil, Błasiak, Przemysław, Pietrowicz, Sławomir

“…The Scraped Surface Heat Exchanger (SSHE) is widely used across various industries because of its efficiency in providing thermal treatment of viscous fluids…”
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A novel cold spray process flow technique - a numerical investigation by Kowalski, Kamil, Błasiak, Przemysław, Pietrowicz, Sławomir

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Internal flow field and heat transfer investigation inside the working chamber of a scroll compressor by Rak, Józef, Pietrowicz, Sławomir

“…The paper analyzes the influence of specific parameters such as scroll vane shape, discharge pressure and the rotational speed of a scroll compressor, on the…”
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Experimental study on a large scale pulsating heat pipe operating at high heat loads, different adiabatic lengths and various filling ratios of acetone, ethanol, and water by Czajkowski, Cezary, Nowak, Andrzej I., Błasiak, Przemysław, Ochman, Agnieszka, Pietrowicz, Sławomir

“…•Experimental set-up for PHP investigations was designed and researched.•The effects of adiabatic lengths, various filling ratios and fluids are studied.•The…”
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Flower Shape Oscillating Heat Pipe – A novel type of oscillating heat pipe in a rotary system of coordinates – An experimental investigation by Czajkowski, Cezary, Nowak, Andrzej I., Pietrowicz, Sławomir

“…•A new type of pulsating heat pipes in a rotating system has been developed.•The lowest thermal resistance is obtained for specific rotational condition.•The…”
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A numerical study on heat transfer enhancement via mechanical aids by Błasiak, Przemysław, Pietrowicz, Sławomir

“…The work deals with an experimental and numerical analysis on disturbed thermal boundary layer obtained in a heat exchanger by two rotating blades (scrapers)…”
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An Experimental Investigation of Increasing the Thermal Efficiency of a Finned Tube Heat Exchanger by Using the Chimney Effect by Matuszczak, Mikołaj, Pietrowicz, Sławomir

“…In the paper, experimental analyses of the free convection heating transfer in a flat wavy-fin heat exchanger with the dimensions of 500 × 500 mm were…”
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The Effect of an Electric Field on the Sliding Friction of the Silicone Rubber against Selected Metals in Motor Base Oils by Głogowski, Marek, Smykowski, Daniel, Pietrowicz, Sławomir

“…The effects of applying external electric fields on the coefficient of friction of a selected elastomer during mechanical interaction with steel and copper…”
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Flower Shaped Oscillating Heat Pipe at the thermosyphon condition: Performance at different rotational speeds, filling ratios, and heat supplies by Czajkowski, Cezary, Nowak, Andrzej I., Ochman, Agnieszka, Pietrowicz, Sławomir

“…The performance of a very effective and innovative thermal device based on Pulsating Heat Pipes (PHP) in a rotating system is studied and analysed in the…”
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Bubble coalescence and break-up in confined oscillating two-phase flows under microgravity conditions by Nowak, Andrzej I., Pietrasanta, Luca, Czajkowski, Cezary, Marengo, Marco, Pietrowicz, Sławomir

“…•The adiabatic oscillatory flow is studied in microgravity for channels with Bo>4.•FC72 and ethanol were tested with tube diameters ranging from 2.5 to…”
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The Thermal—Flow Processes and Flow Pattern in a Pulsating Heat Pipe—Numerical Modelling and Experimental Validation by Błasiak, Przemysław, Opalski, Marcin, Parmar, Parthkumar, Czajkowski, Cezary, Pietrowicz, Sławomir

“…The aim of the article is to numerically model a two-dimensional multiphase flow based on the volume of fluid method (VOF) in a pulsating heat pipe (PHP). The…”
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An experimental study on the heat transfer performance in a batch scraped surface heat exchanger under a turbulent flow regime by Błasiak, Przemysław, Pietrowicz, Sławomir

“…•We investigated experimentally heat transfer in a scraped surface heat exchanger.•Impact of Reynolds number and blade-to-wall gap on heat transfer is…”
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Towards a better understanding of 2D thermal-flow processes in a scraped surface heat exchanger by Błasiak, Przemysław, Pietrowicz, Sławomir

“…•We model numerically forced convection in a 2D scraped surface heat exchanger.•Impact of: gap, Reynolds and Prandtl numbers on heat transfer is…”
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Comprehensive numerical modeling analysis and experimental validation of a multi-turn pulsating heat pipe by Opalski, Marcin, Czajkowski, Cezary, Błasiak, Przemysław, Nowak, Andrzej Ireneusz, Ishimoto, Jun, Pietrowicz, Sławomir

“…The aim of this paper is to present the results of the experimentally validated numerical code designed for thermal-fluid computations in pulsating heat pipes…”
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Experimental comparison of finned tube heat exchangers for heat rejection under natural convection conditions by Matuszczak, Mikołaj, Nycz, Karol, Mazurek, Wojciech, Krowicki, Paweł, Pietrowicz, Sławomir, Pandelidis, Demis

“…This article presents experimental analysis of heat removal capabilities of a wavy finned tube heat exchanger operating under natural convection conditions Two…”
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Dynamics of vapour bubbles induced during the boiling of superfluid helium under microgravity conditions by Grunt, Krzysztof, Lewkowicz, Marek, Pietrowicz, Sławomir, Takada, Suguru, Kimura, Nobuhiro, Murakami, Masahide

“…•A model for a spherical vapour bubble submerged in superfluid helium was developed.•The model was validated using empirical data obtained under microgravity…”
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Energy Processes, Systems and Equipment by Sówka, Izabela, Pietrowicz, Sławomir, Kolasiński, Piotr

“…The scientific and technical issues related to energy harvesting and conversion are inseparably bound to the issues of environmental protection. Energy…”
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The numerical modeling of cell freezing in binary solution under subcooling conditions by Smakulski, Przemysław, Pietrowicz, Sławomir, Ishimoto, Jun

“…Purpose This paper aims to describe and investigate the mathematical models and numerical modeling of how a cell membrane is affected by a transient ice…”
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The thermal behaviour of a special heat exchanger filled with the phase change material dedicated for low – temperature storage applications by Ochman, Agnieszka, Pietrowicz, Sławomir

“…The work deals with an experimental and theoretical analysis of a special heat exchanger filled with the PCM (Phase Change Material) mixture of paraffin wax…”
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