YaBeSH Digital Library: Recent submissions
Now showing items 1441-1460 of 316660
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Mechanistic Effects of Prelubrication and Lubricant Preheating on Lubrication and Wear in Diesel Engines During Subzero Cold Starts
(The American Society of Mechanical Engineers (ASME), 2026)Abstract. Diesel engines have difficulty to cold start in severe cold environments. Prelubrication and preheating technologies are effective measures to address this issue. The present study examines the influence of the ... -
Comparative Experimental Assessment of Methanol, Ethanol, and Butanol Fuels in a Spark-Ignition Engine: Combustion, Performance, and Emissions
(The American Society of Mechanical Engineers (ASME), 2026)Abstract. This study experimentally investigates the combustion, performance, and emission characteristics of a spark-ignition engine fueled with single, dual, and ternary alcohol–gasoline blends under optimized ignition ... -
Multi-Objective Optimization of a Novel Supercritical CO2 Cycle for Waste Heat Recovery From a Gas Engine’s Flue Gas
(The American Society of Mechanical Engineers (ASME), 2026)Abstract. This article presents a novel optimal supercritical CO2 cycle for waste heat recovery (WHR) from a 1-MW gas engine’s flue gas. In this cycle, heat is absorbed from the hot flue gas in two stages. Following ... -
Performance Assessment of Model-Based Controlled Organic Rankine Cycle System for Waste Heat Recovery
(The American Society of Mechanical Engineers (ASME), 2026)Abstract. Within the current global effort toward decarbonization, improving energy efficiency across industrial, residential, and transportation sectors represents a critical priority. Waste heat recovery (WHR) technologies, ... -
Assessment of Combined Heat and Power Utilization for a Super-Long Gravity Heat Pipe Geothermal System
(The American Society of Mechanical Engineers (ASME), 2026)Abstract. The super-long gravity heat pipe (SLGHP) geothermal system provides a viable approach for utilizing geothermal energy from hot dry rocks. This study investigates two SLGHP-based cogeneration configurations, namely ... -
Off-Design Optimization of Engine-Organic Rankine Cycle System for Low-Temperature Waste Heat Recovery
(The American Society of Mechanical Engineers (ASME), 2026)Abstract. This article presents the design and off-design performance analysis of the organic Rankine cycle (ORC) based on the low-temperature waste heat recovery from the engine jacket cooling water. The modeling approach ... -
Study on the Influence of Characteristic Scale Ratio of Irregular Wall on the Impact Characteristics of Drilling Water Jet
(The American Society of Mechanical Engineers (ASME), 2026)Abstract. The impact of drilling water jets is closely related to the structure of the impact surface. The actual inner wall of the borehole has geological structures such as randomly distributed concave, convex, and ... -
Insights Into Reducing Minimum Miscibility Pressure of CO2-Crude Oil System by Gas-Soluble Surfactants: Molecular Dynamics Simulation and Experimental Analysis
(The American Society of Mechanical Engineers (ASME), 2026)Abstract. The effective miscibility of CO2 in the oil phase is a critical scientific concern for achieving the synergistic utilization of high-efficiency CO2 enhanced oil recovery (EOR) and carbon sequestration. In this ... -
Deep Learning for Precise Perforation Positioning With Casing Collar Locator Signals in Complex Environments
(The American Society of Mechanical Engineers (ASME), 2026)Abstract. The casing collar locator (CCL) is critical for ensuring precise depth correlation during perforating operations. However, in complex downhole environments, CCL signals are susceptible to distortion from various ... -
Alkali-Activated Universal Fluid System for Drilling and Cementing
(The American Society of Mechanical Engineers (ASME), 2026)Abstract. Achieving complete displacement of water-based drilling fluid during cementing presents a major challenge for zonal isolation, as residual non-setting mud exhibits poor adhesion to cement, often resulting in ... -
Gas-Lift Parameter Optimization Based on Multiphase Production Performance Analysis
(The American Society of Mechanical Engineers (ASME), 2026)Abstract. In the middle and late stages of oilfield development, reservoir fluids typically exhibit pronounced multiphase flow behavior, under which conventional single-phase inflow models fail to accurately characterize ... -
Effects of Control Strategies on the Coupled Dynamic Responses of a Semi-Submersible Floating Wind Turbine: A Numerical Investigation
(The American Society of Mechanical Engineers (ASME), 2026)Abstract. This study presents a numerical investigation into the influences of control strategies on the coupled dynamic responses of a 5 MW SPIC-II semi-submersible floating offshore wind turbine (FOWT). A fully coupled ... -
Prediction of Dynamic Cuttings Behavior of Eccentric Annulus in High-Inclination Well Based on Numerical Simulation
(The American Society of Mechanical Engineers (ASME), 2026)Abstract. The unique geometry of high-angle wellbores promotes the deposition of drill cuttings at the bottomhole, leading to the formation of cuttings beds. This accumulation increases friction torque and reduces the rate ... -
Shale Gas Production Prediction Based on the TCN-FFT Model Using Multiwell Production Data
(The American Society of Mechanical Engineers (ASME), 2026)Abstract. Accurate prediction of shale gas production is crucial for optimizing shale gas well production strategies. Current research utilizing single-well historical data necessitates extensive long-term production ... -
Nanoscale Miscibility Pressure Prediction Model With Critical Property Shifts and Adsorption Effects
(The American Society of Mechanical Engineers (ASME), 2026)Abstract. Carbon dioxide flooding delivers dual benefits by increasing oil recovery and storing greenhouse gases, and shows strong application potential in unconventional reservoirs. These reservoirs contain abundant ... -
Leakage Mechanism of Cement Sheath and Plug Under HPHT CO2 Corrosion
(The American Society of Mechanical Engineers (ASME), 2026)Abstract. The sealing integrity of cement sheaths and plugs is an essential barrier to maintaining long-term sealing in carbon dioxide (CO2) storage wells. Based on the typical working conditions in CO2 storage wells, a ... -
Petrophysical Property Modeling and CO2 Storage Assessment in the Elelen Field, Niger Delta
(The American Society of Mechanical Engineers (ASME), 2026)Abstract. This research investigates whether the Elelen Field, a mature gas reservoir in the Niger Delta, can be repurposed for effective CO2 sequestration. By integrating historical production records with seismic data ... -
Study on Production Decline of Complex Fracture Network in Tight Oil Reservoirs Based on Embedded Discrete Fracture Model
(The American Society of Mechanical Engineers (ASME), 2026)Abstract. The Blasingame decline analysis method plays a pivotal role in characterizing and interpreting the production behavior of fractured horizontal wells in tight reservoir systems. In practical tight reservoir systems, ... -
Effects of Hydrogen Enrichment and Ignition Timing on Combustion Characteristics and Performance of an M30-Fueled Spark-Ignition Engine
(The American Society of Mechanical Engineers (ASME), 2026)Abstract. This study experimentally investigates the effects of hydrogen enrichment and ignition timing (IG) variation on combustion and performance of a single-cylinder spark-ignition engine fueled with M30 (30% methanol, ... -
Enhancement Mechanism of Jet Ignition Mode on the Combustion Performance of Rotary Engine Fueled With Pure Methanol
(The American Society of Mechanical Engineers (ASME), 2026)Abstract. Methanol is a promising renewable fuel and hydrogen carrier for rotary engines, offering a sustainable solution to reduce carbon emissions. Additionally, jet ignition technology, with its advantages of high ...