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RISA Starting Control Strategy of Single-Cylinder Two-Stroke Free-Piston Engine Generator
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Free-piston engine generator is a novel energy conversion system, which is known to have advantages of variable compression ratio and variable fuel. The free-piston must be controlled to overcome challenges like misfire, ...
Generalized Bio-Heat Transfer Model Combining With the Relaxation Mechanism and Nonequilibrium Heat Transfer
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The heat transport within living biological tissue is a complicated process coupled with various physiological activities. The nonhomogeneous inner anatomical structure leads to an essential difference from classical heat ...
Flow Boiling Heat Transfer and Two Phase Flow Instability of Nanofluids in a Minichannel
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Singlephase convective heat transfer of nanofluids has been studied extensively, and different degrees of enhancement were observed over the base fluids, whereas there is still debate on the improvement in overall thermal ...
Anomalous Enhancement of Heat Transfer to H2O/CO2 Mixtures in Near-Critical Region
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Heat transfer to supercritical H2O/CO2 mixtures (24 MPa, 310 to 430 °C, and CO2 mass fractions up to 18.5%), the working fluids of a novel power generation system with coal gasified in supercritical water, was experimentally ...
Deterioration and Instability of Heat Transfer to H2O/CO2 Mixtures in Near-Critical Region for Horizontal Flow
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: In this work, we experimentally investigated the deterioration and instability of heat transfer to H2O/CO2 mixtures in the near-critical region, following our series of works on their normal and enhanced heat transfer, ...
A New Method for Calculating the Inflection Point Temperature of Heavy-Oil Rheology Transforming From Non-Newton Fluid into the Newton Fluid
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The inflection point temperature of rheology (IPTR) of heavy oil transforming from a non-Newtonian fluid into a Newtonian fluid is a key parameter in the steam huff- and-puff process. It is particularly relevant in terms ...
Theoretical Predictions of Spectral Emissivity for Coal Ash Deposits
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Coal ash inevitably forms deposits as combustion residue on the walls and heat transfer surfaces of coalfired boilers. Ash deposits decrease the boiler efficiency, reduce the generating capacity, and cause unscheduled ...
Bubble Ebullition on a Hydrophilic Surface
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Nucleate boiling heat transfer depends on various aspects of the bubble ebullition, such as the bubble nucleation, growth and departure. In this work, a synchronized highspeed optical imaging and infrared (IR) thermography ...
Dynamics of a Leidenfrost Droplet Modulated by Electrowetting
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Leidenfrost phenomenon is closely related to film boiling and the critical heat flux (CHF) limit of boiling heat transfer. Understanding the mechanisms of Leidenfrost phenomenon and devising effective ways to suppress it ...
Healing Technique for Rock Cracks Based on Microbiologically Induced Calcium Carbonate Mineralization
Publisher: American Society of Civil Engineers
Abstract: Rock mass is a structural system with intact rock cut by cracks. The properties and strength of cracks determine the macroscopic mechanical properties of rock mass. Improving the self-stability of rock mass by enhancing ...