2024 Capillary pumped loop

Capillary pumped loop

Author: zhrb

August undefined, 2024

WebNov 10, 2015 · Capillary Pumped Loop can be used for cooling of high power electronics. The present paper describes the world's first use of a CPL inboard a train. The CPLIP-3 demonstrator used two CPLs equipped with two flat evaporators in parallel, a common air exchanger and filled with methanol as working fluid with a 6 microns nickel wick. WebA capillary pumped loop (CPL) is a closed two-phase loop in which capillary forces developed in a wicked evaporator passively pump the working ﬂuid over long distances …

Recent advances in capillary pumped loop technology

Experimental study of a capillary pumped loop in comparison …

WebOct 3, 2024 · Capillary Pumped Loops (CPL's) are thermal control systems that utilize a two-phase fluid loop with a porous wick material to provide the fluid circulation or … WebJan 25, 2016 · This hybrid system, between the two standard capillary pumped loop (CPL) and loop heat pipe (LHP), has been widely investigated with a single evaporator, and so a single dissipative area, to know its mean operating principles and thermohydraulic couplings between the components. WebJun 14, 2012 · Loop heat pipes are similar to a competing technology called Capillary Pumped Loops (CPL). The CPL was invented in the US in the 1960's, but has only recently (early 1980's) received much attention. … how my grandpa death changed me

Micromachines Free Full-Text Numerical Investigation of …

Troubleshooting High Pressure Issues in Agilent LC Systems

WebB) Parametric data: number of visible capillary loops in every square millimetre (value obtained from the average of the two observations for each examined area); capillary … WebBased on the physical model of capillary pumped loop (CPL) system, the phenomena of pressure oscillation are simplified and analyzed. From a set of non-linear differential equations, the influence of system parameters on the performance of the CPL is discussed, including the working temperature (the set point), loop resistance, vapor volume etc. … how my grandmother became a chairWebFeb 1, 2024 · Two-phase mechanically pumped fluid loops have the potential to provide numerous benefits for spacecraft based applications. Here a hybrid two-phase capillary and mechanically pumped fluid loop that shows promise for spacecraft thermal control applications is analyzed and its operational limits are characterized. how my hair look production company

"WebJul 1, 2012 · Capillary pumped loop (CPL) and loop heat pipe (LHP) are passive two-phase heat transport devices. They have been gaining importance as a part of the thermal control system of spacecraft. The... " - Capillary pumped loop

Capillary pumped loop

Stefano Cappucci - Senior Thermal Systems Engineer - LinkedIn

WebSep 15, 2016 · The capillary pumped loop studied in this paper has been designed for the world's first use aboard a train, where it is employed for cooling electronic devices in a railroad traction chain [5]. Just a few studies have been done describing the thermal and hydraulic coupling of a complete capillary pumped loop during steady states and … WebMay 23, 2024 · A loop heat pipe (LHP) is an effective method to overcome some of these thermal control constraints. The LHP is a passive two-phase heat transfer device that utilizes the evaporation and condensation of a working fluid to transfer heat and capillary force to circulate the fluid.

Did you know?

WebOct 3, 2024 · The Capillary Pumped Loop 2 (CAPL-2) payload was an in-orbit microgravity demonstration of the full scale capillary pumped loop system planned for (and subsequently used on) the Earth Observing System (EOS) Terra Mission. The CAPL-2 payload flew on STS-69 in September 1995. WebA loop heat pipe (LHP) is a two-phase heat transfer device that uses capillary action to remove heat from a source and passively move it to a condenser or radiator. LHPs are …

WebJun 15, 2016 · Then, other emerging MEMS-based micro-heat pipes, such as micro-capillary pumped loop, micro-loop heat pipe, micro-oscillating heat pipe, and micro-vapor chamber are briefly reviewed as well. Finally, some promising and innovatory applications of the MEMS-based micro-heat pipes are reported. This chapter is expected to provide … WebJul 18, 2024 · TTU DSpace Home ThinkTech International Conference on Environmental Systems View Item A Mechanically Pumped Two-Phase Fluid Loop for Thermal Control Based on the Capillary Pumped Loop ICES 2024 ...

WebMay 25, 2016 · The capillary pumped loop (CPL) is considered to be a reliable two-phase thermal management device. It operates passively by means of capillary forces generated on a porous structure present in the evaporation section, which are responsible for driving a working fluid from a high-temperature source to a low-temperature sink. That means … WebJan 1, 2006 · The experimental setup designed and constructed by LFME is a Capillary Pumped Loop (CPL). A CPL is a closed loop system that pumps liquid by passive means, based on the operating principles of ...

WebThe hybrid loop can be operated in either a passive capillary mode, or in a pump-assisted mode, whereby the mechanical pump augments the heat transport capability of the …

WebThe proposed CTPL differs from the traditional loop heat pipes and capillary pumped loops in the evaporator design, which provides inherent tolerance to shock and vibration. Two additional features are added to further improve the shock and vibration tolerance: (1) graded wicks are used in the evaporator to mitigate the shock and vibration ... how my heart sings akira kosemuraWebMay 26, 2016 · An experimental capillary pumped loop (CPL) device has been developed in order to study its fundamental response mechanisms following steps of applied power. A global model including all the loop ... how my heart sings bill evans pdfWebThe first Capillary-Pumped Loop (CPL) was developed in the 1960's at the NASA Lewis Research Center in Cleveland, Ohio (Stenger, 1966). Since then a significant number of low gravity evaluations have followed. The first of these was the Capillary Pumped Loop GAS Experiment (G-471), flown in June, 1985. The low-gravity results of this experiment ... men watches online shoppingWebJul 28, 2024 · A miniature steam ejector refrigeration system embedded with a capillary pump loop can result in a compact design which can be used for electronics cooling. In … how my guitar gently weepsWebJul 28, 2024 · A miniature steam ejector refrigeration system embedded with a capillary pump loop can result in a compact design which can be used for electronics cooling. In this paper, computational fluid dynamics (CFD) is employed to investigate the effects of the area ratio of the ejector constant-area mixing section to the nozzle throat, the length of the … how my grandparents went to schoolWebThe capillary IC system was constructed with a pump (K120, KNAUER, Germany) with a low ﬂow rate of 1 mL/min, a 7520 in-jection valve with a 500 nL injection loop (Upchurch Scientiﬁc, Oak Harbor, WA), a prepared cation-exchange capillary mono-lithic column and a capillary conductivity detector with two how my heart sings bill evansWebworking fluid to transfer heat, and the capillary forces developed in fine porous wicks to circulate the fluid. The LHP was first developed in the former Soviet Union in the early 1980’s [1], about the same time that the capillary pumped loop (CPL) was developed in the United States [2-4]. how my hair look