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Abstract

The paper presents an experimental investigation of a silicone based heat exchanger, with passive heat transfer intensification by means of surface enhancement. The main objective of this paper was to experimentally investigate the performance of a heat exchanger module with the enhanced surface. Heat transfer in the test section has been examined and described with precise measurements of thermal and flow conditions. Reported tests were conducted under steady-state conditions for single-phase liquid cooling. Proposed surface modification increases heat flux by over 60%. Gathered data presented, along with analytical solutions and numerical simulation allow the rational design of heat transfer devices.
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Abstract

In the second half of the 19th century in the European culture appears an increased interest in evil. This phenomenon is widely spread particularly in France and England. In his famous volume of poems Les Fleurs du Mal Charles Baudelaire publishes The Litanies for Satan where the Devil replaces God as the addressee of a blasphemous prayer. Joris-Karl Huysmans, an author of the novel LB-bas, describes a black mess and a litany addressed to Satan who seems to be closer to sinful people than perfectly indifferent God. A poet from the Huysmans’ artictic circle, Édouard Dubus, devotes his litany to a „Lady of grace and immorality” – a blasphemous double of Mary, mother of Jesus. An English poet Charles Algernon Swinburne writes Dolores, a poem addressed to „Our Lady of Pain” and recognised as the apogee of the satanic litany. In all these cases the choice of a litany as a literary genre results in acceptance of a vision of the world broaden with spirituality. In spite of their seemingly blasphemous plots, all these texts express a deep hunger for the sacred – the hunger that could not be satisfied with official religion.
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