Upward and downward heat and mass transfer with miniature periodically operating loop thermosyphons

On periodic two-phase thermosyphons operating against gravity

“…Length of the vapour section and liquid section in the condenser for a single cycle at various input powers. but this simple criterion, which is confirmed by other experiments carried out on a differently shaped and sized mini evaporator [36][37][38][39][40][41][42][43][44][45][46][47][48][49][50][51], can guide the design of the evaporator.…”

“…In particular, a large device has been set up in order to study the complex heat transfer mechanism involved in anti-gravity mass transfer. More recently, the feasibility and the performance of a miniature PTPT as thermal control system for microelectronic equipment cooling have been studied [36,51,52].…”

A Vapor-Pressure-Driven Heat Pipe for Sideward Long-Distance Heat Transport

“…In addition, many studies were carried out on a vapor-pressure-driven anti-gravity heat pipe, where vapor pressure of a working fluid was utilized to lift the condensate against the force of gravity. As regards the vaporpressure-driven heat pipe, the experimental studies were carried out by Ogushi et al (1986), Hashimoto et al (1995), Kawabata et al (1996), Fantozzi et al (2002Fantozzi et al ( , 2004, Kadoguchi et al (2004) and Filippeschi (2006). A mathematical model of the heat pipe was also presented in the paper by Filippeschi (2006) to discuss the operational characteristics.…”