Browsing NTNU Open by Author "Fernandino, Maria"
Now showing items 1-20 of 48
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Anisotropic wetting and final shape of droplets impacting on micropillars with non-vertical lateral walls
Ding, Wenwu; Dorao, Carlos Alberto; Fernandino, Maria (Peer reviewed; Journal article, 2021)The control of the droplet shape during the impact on a solid surface is of relevance for several practical applications, such as inkjet printing technologies. Although several studies have reported factors affecting the ... -
Boiling and Condensation Heat Transfer of Zeotropic Mixtures in Smooth Tubes
Deng, Han (Doctoral thesis at NTNU;2016:330, Doctoral thesis, 2016)Boiling and condensation of mixtures are widely encountered in liquefaction of natural gas process, refrigeration systems, and other chemical and power generation industries. Zeotropic mixtures present a temperature glide ... -
C1continuous h-adaptive least-squares spectral elementmethod for phase-field models
Park, Keunsoo; Gerritsma, Marc; Fernandino, Maria (Journal article; Peer reviewed, 2018)The phase-field method has been successfully modeled the interface dynamics in multiphase flow phenomena. However, there has been a great disjunction in the interface thickness between in reality and in numerics due to the ... -
Can flow oscillations during flow boiling deteriorate the heat transfer coefficient?
Park, Il Woong; Ryu, Jeongrim; Fernandino, Maria; Dorao, Carlos Alberto (Journal article; Peer reviewed, 2018)Two-phase flow instabilities have been identified as one of the impediments for achieving high heat flux in boiling systems due to their potential heat transfer deterioration. However, most of the fundamental characteristics ... -
Can the heat transfer coefficients for single-phase flow and for convective flow boiling be equivalent?
Dorao, Carlos Alberto; Drewes, S; Fernandino, Maria (Journal article; Peer reviewed, 2018)During the past few decades, heat transfer during convective flow boiling inside pipes has been widely studied with the goal of unveiling the physics of the process. Different heat transfer mechanisms have been suggested ... -
Cell Lysis via Surface Acoustic Waves (SAW)
Almanza Alvarez, Gonzalo (Doctoral theses at NTNU;2024:404, Doctoral thesis, 2024)At the laboratory scale, chemical lysis is the most commonly used method for cell disruption due to its high efficiency, low cost, and compatibility with analytical techniques like PCR and electrophoresis. However, chemical ... -
Characterization of contact line and contact angle of an evaporating sessile droplet using Digital Holographic Microscopy
Zamani Asl, Mohammad Mehdi (Master thesis, 2023)Droplet evaporation is a fundamental process that is encountered in a wide range of scientific and technological fields, including microfluidics, surface coating, biomedical diagnostics, and water harvesting. Extensive ... -
Conical micro-structures for super-repellent surfaces and their effect on droplet impact
Ding, Wenwu (Doctoral theses at NTNU;2021:235, Doctoral thesis, 2021)Surface wetting properties control is crucial to various applications, such as anti-wetting, self cleaning and heat transfer processes. Design of surface wetting properties can be achieved by mechanical and chemical methods. ... -
Controlling droplet cooling with micro/nano-structured surfaces
Auliano, Manuel (Doctoral theses at NTNU;2019:23, Doctoral thesis, 2019)Heat production accounts for most of the world's primary energy consumption. A better thermal management in several applications would result in a more e‑fficient and safer design. In this context, studying the cooling ... -
The Criterion of the Cassie–Baxter and Wenzel Wetting Modes and the Effect of Elastic Substrates on It
Park, Il Woong; Ribe, Jonas Myren; Fernandino, Maria; Dorao, Carlos Alberto (Peer reviewed; Journal article, 2023)Controlling the wettability using microstructures has been studied because of many applications. In particular, bio-mimetic microstructures modeled after the self-cleaning properties of the lotus leaf have been extensively ... -
Design of a test section to study droplet-interface coalescence under shear conditions
Martinez Santaclara, Santiago (Master thesis, 2016)Separation is a vital process in oil industries, where the mixtures separation, like the upstream gotten from oil reservoirs, differentiate the useful products. Gas-liquid separation process has been widely studied in order ... -
Droplet evaporation during dropwise condensation due to deposited volatile organic compounds
Yu, Xiongjiang; Dorao, Carlos Alberto; Fernandino, Maria (Peer reviewed; Journal article, 2021)During dropwise condensation on a hydrophobic surface, it is intuitively assumed that droplets will grow with time. However, it can be observed that some droplets follow an opposite fate and instead disappear. This happens, ... -
Droplet mobility and impacting dynamics on superhydrophobic surfaces
Zhang, Wenjing (Doctoral theses at NTNU;2024:347, Doctoral thesis, 2024)Droplet wetting phenomenon is crucial in various applications, such as antiicing and self-cleaning surfaces, heat transfer, water harvesting, and so on. The desired wettability can be achieved by a combination of physical ... -
Effect of Heat Flux and External System Configuration on Pressure Drop Oscillations in a Horizontal Pipe
Langeland, Tina Louise (Master thesis, 2015)Heat transfer processes can greatly benefit from the use of the boiling and condensation in two-phase flows. However, the use of two-phase flows may induce instabilities in the heat transfer system, causing control problems ... -
Evaluation of Split Ratio for Plug Flow at a Meso-Scale T-Junction
Wolden, Andre (Master thesis, 2012)Numerous applications, such as meso-scale heat exchangers, Lab-on-Chip devices (LOC), different systems within pharmaceutical and food industry, monodispersed emulsion and several other microfluidic systems, include two-phase ... -
Experimental and numerical investigation of oil-water dispersions - Eksperimentell og numerisk analyse av olje-vann dispersjoner
Tresvik, Karoline Langøy (Master thesis, 2016)Crude oil in the reservoir is accompanied by formation water. Separating water from oil offshore before transporting it is necessary. This requires compact and robust separators. In order to optimize the design of separators, ... -
Experimental Study of Microparticle Aggregation Inside a Sessile Droplet Subjected to Surface Acoustic Waves
Qvenild-Svennungsen, Bjørn Markus (Master thesis, 2023)Innovative metoder for å manipulere partikler og celler i blandinger har hatt enorm innvirkning i medisinsk progresjon i det siste århundre. Det spiller en avgjørende rolle i å takle ulike medisinske utfordringer, spesielt ... -
Experimental study on the characteristics of pressure drop oscillations and their interaction with short-period oscillation in a horizontal tube
Park, Il Woong; Fernandino, Maria; Dorao, Carlos Alberto (Journal article; Peer reviewed, 2018)Long-period oscillations (pressure drop oscillations) and short-period oscillations (superimposed density wave oscillations) have been observed in many studies. However, under which condition the long-period oscillations ... -
Fundamental mechanisms of density wave oscillations and the effect of subcooling
Strømsvåg, Dag (Master thesis, 2011)Boiling two-phase flow is found in many industrial applications such as boiling water reactors, two-phase flow heat exchangers and refrigeration systems. The physics of two-phase gas-liquid flow may lead to undesirable ... -
Heat and flow mechanisms in a passive geometrical cooling device
Auliano, Damiano (Doctoral theses at NTNU;2024:387, Doctoral thesis, 2024)The increasing need for energy and compact systems has led to challenges in the thermal management field. Different passive cooling techniques have been employed to achieve more efficient and safer heat removal. Among ...