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| Naji, M. |
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| Motta, Antonella |
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| Aletan, Dirar |
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| Mohamed, Tarek |
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| Ertürk, Emre |
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| Taccardi, Nicola |
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| Kononenko, Denys |
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| Petrov, R. H. | Madrid |
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| Alshaaer, Mazen | Brussels |
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| Bih, L. |
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| Casati, R. |
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| Muller, Hermance |
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| Kočí, Jan | Prague |
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| Šuljagić, Marija |
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| Kalteremidou, Kalliopi-Artemi | Brussels |
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| Azam, Siraj |
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| Ospanova, Alyiya |
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| Blanpain, Bart |
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| Ali, M. A. |
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| Popa, V. |
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| Rančić, M. |
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| Ollier, Nadège |
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| Azevedo, Nuno Monteiro |
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| Landes, Michael |
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| Rignanese, Gian-Marco |
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Marengo, Marco
University of Pavia
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (23/23 displayed)
- 2024FLEXIBLE POLYMERIC PULSATING HEAT PIPES: FABRICATION TECHNIQUES AND THERMAL PERFORMANCE INVESTIGATION
- 2024FLEXIBLE POLYMERIC PULSATING HEAT PIPES: FABRICATION TECHNIQUES AND THERMAL PERFORMANCE INVESTIGATION
- 2024A novel fabrication method for polymeric flat plate pulsating heat pipe via additive manufacturingcitations
- 2024A novel fabrication method for polymeric flat plate pulsating heat pipe via additive manufacturingcitations
- 2024Pulsating heat pipe performance enhancement through porous metallic surfaces produced via physical dealloyingcitations
- 2024Pulsating heat pipe performance enhancement through porous metallic surfaces produced via physical dealloyingcitations
- 2023Physical dealloying towards pulsating heat pipes performance enhancement
- 2023Physical dealloying towards pulsating heat pipes performance enhancement
- 2022Imaging X-ray Polarimetry Explorer: prelaunchcitations
- 2022The Imaging X-Ray Polarimetry Explorer (IXPE): Pre-Launchcitations
- 2021The Imaging X-Ray Polarimetry Explorer (IXPE): technical overview IVcitations
- 2019Towards a durable polymeric internal coating for diabatic sections in wickless heat pipescitations
- 2019Towards a durable polymeric internal coating for diabatic sections in wickless heat pipescitations
- 2019A study of the effect of nanoparticle concentration on the characteristics of nanofluid sprayscitations
- 2015Two-component droplet wall-film interaction
- 2012Single drop impacts of complex fluids: a review
- 2009Advanced design of a "low-cost" loop heat pipecitations
- 2006Effect of wall effusivity on thermally induced secondary atomization of single drop impacting onto a tilted surface
- 2006Effect of wall effusivity on termally induced secondary atomisation of single drop impacting onto a tilted surface
- 2006Metodo e apparato per lo stampaggio a caldo di prodotti in materiale termoplastico
- 2006Secondary atomisation of drop impactions onto heated surfaces
- 2005Single and multiple drop impact onto heated surfaces
- 2001Outcomes from a drop impact on solid surfaces
Places of action
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conferencepaper
Advanced design of a "low-cost" loop heat pipe
Abstract
An advanced method for LHP evaporator wick manufacturing is suggested. A small-scale loop heat pipe (LHP) with an innovative nickel wick has been fabricated and tested to examine its thermal performances. The LHP container and the tubing of the system are made of stainless steel and two liquids, namely hexane and acetone, have been used as LHP working fluids. The 'low-cost' characteristic is given by the reduction of operations which are needed for the LHP wick fabrication. In this study LHP wick was sintered directly inside of the stainless steel tube. Thus the fabrication costs of the LHP wick are less compared with the standard ones for two manufacturing processes: i) compressing the nickel powders and ii) inserting of the wick into the stainless steel tube after the sintering process. Since especially the second process is very delicate and associated to production failures, the present LHP is several times cheaper than the standard LHP. The present paper demonstrates that the novel evaporator wick is still presenting very high performances. A first series of tests including start-up, power ramp up, and power cycle is performed. The experimental results demonstrate the robustness and the feasibility of the innovative LHP. It is found that a heat load of 15 W is needed for a successful start-up. The maximum heat loads is up to 70W for hexane, and 98W is reached for acetone in the steady state operation mode and more then 120W for the periodic mode (20°C condenser temperature, less than 100°C evaporator temperature and with a horizontal orientation of LHP). The hardware model consists of three different objects: (a) the evaporator; (b) a condenser where the heat power is rejected by a simple concentric tube heat exchanger (c) the lines to connect the evaporator and the condenser. A numerical global loop model is also designed by using a well-known lumped parameter code (SINDA/FLUINT). Since the tested LHP is pioneering the standard calculation of the SINDA/FLUINT pre-built system is not suitable and must be ...