... to subzero temperatures. Here, we present heat pipe with ethylene glycol and water as working fluid that can prevent damage to the copper container on exposure to cyclic freezing and thaw. In this research, different mass concentrations of water and ethylene glycol have been tested for freeze protection...

... Freezing Solidification Phase change materials (PCMs), which store energy through the solid–liquid phase change, have been studied for use in a wide range of heat transfer applications. The passive nature of their operation, in which energy is stored for dissipation during more favorable...

... Thermophysical properties Manufacturing Freezing Solidification 11 09 2017 12 04 2018 Contributed by the Heat Transfer Division of ASME for publication in the J OURNAL OF H EAT T RANSFER . Manuscript received September 11, 2017; final manuscript received April 12, 2018; published online...

... Nanoscale heat transfer Freezing Solidification Latent heat cold thermal energy storage (CTES) exhibits higher storage density and smaller temperature variation than sensible TES and thus can efficiently store energy. The properties of phase change materials (PCM) affect the performance of CTES...

...Ahmed M. Yousef; Wael M. El-Maghlany; Yehia A. Eldrainy; Abdelhamid Attia In published literature, only very limited studies were carried out for low-temperature biogas upgrading for CO 2 /CH 4 mixture separation due to the freeze-out of CO 2 under low temperature, which causes several operational...

... , “ Thermal Characteristics of Paraffin in a Spherical Capsule During Freezing and Melting Processes ,” Int. J. Heat Mass Transfer , 43 ( 17 ), pp. 3183 – 3196 . 10.1016/S0017-9310(99)00329-4 [3] Xia , L. , Zhang , P. , and Wang , R. Z. , 2010 , “ Numerical Heat Transfer Analysis...

... Freezing Solidification The phase change material (PCM) absorbs heat as latent heat during the process of solid–liquid phase change [ 1 ]. The temperature of PCM undergoing phase change varies a little, with which PCM has been widely used in thermal energy storage. In order to improve the summer...

...; final manuscript received September 21, 2016; published online November 16, 2016. Assoc. Editor: Gennady Ziskind. 23 10 2015 21 09 2016 Melting Melting Porous media Freezing Solidification Theoretical, experimental, and numerical analyses of phase-change heat transfer...

...., the Fourier (Fo) number, was defined by (10) Fo = k l t ρ l C p , l R c 2 Melting Melting Freezing Solidification Heat transfer during melting of a phase change material (PCM) in spherical capsules has long been studied as a typical container...

... online June 7, 2016. Editor: Portonovo S. Ayyaswamy. 29 03 2016 18 04 2016 Particles Droplets Heat transfer Melting Porous media Bubbles Manufacturing Freezing The incorporation of gas bubbles in solids is often found in both the nature and science and engineering...

..., thermal loading, and concentration of high-conductivity additives were investigated under constant temperature boundary conditions. Using a custom-built apparatus with fast response, freezing and melting have been measured for time periods as short as 15 s and 33 s, respectively. The enhancement of PCM...

... September 26, 2014; final manuscript received July 20, 2015; published online September 2, 2015. Assoc. Editor: Amy Fleischer. 26 09 2014 20 07 2015 Melting Melting Micro heat transfer Nanoscale heat transfer Freezing Solidification Two recent trends in electronics...

... Forced convection Heat and mass transfer Heat exchangers Heat transfer Ionized Plasma Heat transfer MHD Melting Melting MHD Natural convection Radiative heat transfer Two-phase flow Particles Droplets Boiling Condensation Manufacturing Mixed convection Heat transfer Freezing...

...; published online May 14, 2015. Assoc. Editor: L. Q. Wang. 30 04 2014 26 01 2015 Bio-Heat and mass transfer Experimental techniques Low temperature heat transfer Melting Micro heat transfer Nanoscale heat transfer Freezing During the cryopreservation procedure...

.... If it is compared to that of the solid phase resulted from freezing the copper–water colloidal suspension. Decreasing the segregation coefficient destabilizes the solid–liquid interface and increases the intensity of the convection cell with respect to that of the case of no particle rejection. At slow freezing...

..., the amount of frozen phase during a fixed time period diminished as the particle size decreased. colloids constitutional supercooling dendrites freezing nanoparticles phase change materials solidification suspensions Solidification of colloidal suspensions is of great importance...

... investigation on freezing of NePCM in comparison to the base PCM are presented. A one-dimensional Stefan model was developed to study the unidirectional freezing of NePCM in a finite slab. Only the thermal energy equation was considered and the presence of static dispersed nanoparticles was modeled using...

... on the advancement of the freezing front are discussed. The simultaneous operation of needle cryoprobes in a number of different configurations and the effects of a thermally significant blood vessel in the vicinity of the cryoprobe are also presented. Typical results demonstrate that metabolic rate in the yet...

... of these parameters on both the shape and extent of freezing obtained in the PCM. For 20 min of operation of the cryoprobe, water temperatures inside the tube remained well above the freezing point for all assumed operating conditions. Frozen volumes of the 0 ° C isotherm, approximating the “frozen front...

...Akira Nakayama; Yusuke Kuwahara; Kansei Iwata; Masafumi Kawamura The freezing front in a tumor during percutaneous cryoablation therapy was traced both analytically and numerically exploiting a bioheat equation. It has been shown that there exists a limiting size of the tumor, which one single...