Blar i NTNU Open på forfatter "Dorao, Carlos Alberto"
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Analysis of unconventional natural gas resources and possible monetization alternatives
Øverland, Mads Vegard (Master thesis, 2012)Purpose of this paper has been to analyse unconventional natural gas (UNG) resources and identify possible alternatives for monetizing them.What's found is that global UNG reserves are vast and many. However only a few ... -
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 ... -
Assessment of the potential of small scale LPG technologies
Vestbøstad, Ivar (Master thesis, 2014)Many countries experience an economic growth, naturally leading to an increasing demand of energy. LPG is a relatively unknown energy carrier in Europe, whereas in other parts of the world LPG is used for daily cooking in ... -
Breakage and coalescence mechanisms in oil/water gravity separators
Heimdal, Lars (Master thesis, 2011)The equipment used for bulk separation operations in offshore activities to produce oil and gas is an important part of the oil and gas production chain. The part of the separation where you separate water from oil is often ... -
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 ... -
CFD study of a rotating gas-liquid separator: Design og bygging av flere mikro-dråpe generatorer
Stene, Mari (Master thesis, 2013)Extracting Natural Gas from the reservoirs and transporting it to shore requires the gas to be pure from liquids and contaminants. These contaminants can be extracted from the gas by separators. A new separation technology, ... -
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 ... -
Computational User Support Tool for Decision Making Processes
Gulliksen, Caroline Bauge (Master thesis, 2013)A computational tool to perform calculations for the Decision-Support Problem (DSP) Technique is developed to aid decision-makers in evaluating technologies suited for design problems. The DSP Technique is presented in a ... -
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. ... -
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 ... -
Decision Making Methodology for the Selection of Gas-liquid Separators
Sanchez Perez, Carlos Eduardo (Master thesis, 2012)Gas liquid separation is a critical operation in many industries, including the gas and oil industry. In fact, costly equipment like heat exchangers and compressors rely on the good performance of gas scrubbers. In the ... -
Design and economical evaluation of components onboard LNG-FPSOs considering vibration and motion
kadambamattam, mithun thomas (Master thesis, 2011)AbstractLNG FPSO s are getting more interest as the new oil and gas reserves are found in sub seas. But a main technical challenge has been identified as the liquefaction systems since its considered as the bottle in natural ... -
Design and fabrication of micro-nano enhanced surfaces for controlling Leidenfrost point
Grøstad, Eivind (Master thesis, 2016)The technological revolution has driven the need for faster microprocessors. In order to fabricate faster microprocessors the trend has been to increase the amount of transistors and increase the clock speed. Microprocessor ... -
Design, Fabrication and Testing of Micro- Nanoscale Thin-Film Resistance Temperature Detectors
Gulliksen, Christian Georg Bauge (Master thesis, 2017)The development of the microelectronics industry has triggered a broad scientific revolution. The ever ongoing quest for miniaturization and the thermal challenges that follow have made heat transfer in confined spaces one ... -
Development of Small Scale LNG plants: Utvikling av småskala LNG anlegg
Rødum, Kristian (Master thesis, 2009)AbstractSINTEF Energy Research have for several years worked with a plant concept for small scale LNG production in the range from 5 to 20 tonnes per day. This process, called Mini-LNG, is based on mixed refrigerant and ... -
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 and Selection of the Precooling Stage for LNG Processes
Majzoub, Mohamad (Master thesis, 2012)As the worldwide energy consumption continues to grow, natural gas and especially LNG are expected to keep contributing significantly with this growth. More than 95% of the installed LNG facilities use a precooling cycle ...