YaBeSH Digital Library: Recent submissions
Now showing items 14201-14220 of 316660
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Transonic Compressor Darmstadt Open Test Case: Experimental Investigation of Stator Secondary Flows and Hub Leakage
(The American Society of Mechanical Engineers (ASME), 2024)The future trend of clean sky aviation has led to a smaller core engine, resulting in highly loaded stages with increased relative tip gaps and leakage flows, which causes a reinforced influence of secondary flow phenomena. ... -
Attenuation of Inlet Distortion Effects on Fans Using Asymmetric Inlet Guide Vanes
(The American Society of Mechanical Engineers (ASME), 2024)This research proposes and preliminarily analyzes a novel concept to passively reduce the negative impact of deep inlet distortion on the fan of an aero-engine. It consists of placing a row of non-axisymmetric inlet guide ... -
On the Secondary Flow System of an Aggressive Inter Compressor Duct
(The American Society of Mechanical Engineers (ASME), 2024)In contrast to the highly optimized rotating components, the inter compressor duct (ICD) is offering a high potential for further improvements. Due to a more aggressive design, the length of the whole engine can be reduced. ... -
Experimental Analysis of the Time-Wise Compressor Fouling Phenomenon
(The American Society of Mechanical Engineers (ASME), 2024)Compressor fouling is still an unforeseen phenomenon. Gas turbines for heavy-duty and propulsion applications are subject to performance degradation due to fouling, erosion, and corrosion mechanisms. Unlike the last two, ... -
An Improved Body Force Model to Simulate Blade Loading Variation Under Various Operating Conditions in Transonic Axial Flow Compressor
(The American Society of Mechanical Engineers (ASME), 2024)In order to analyze the unsteady aerodynamic response of compressors with limited computational resources, the development of the body force (BF) model has been pursued for decades. This model can simulate the effects of ... -
Endwall Contouring for Improving Aerodynamic Performance in a High-Pressure Turbine Cascade
(The American Society of Mechanical Engineers (ASME), 2024)The endwall contouring has proven to be an effective technique in controlling the impacts of secondary flow within turbomachinery. A baseline cascade with the original axisymmetric endwall (BASE) has been redesigned with ... -
Fault Diagnosis for Road Heading Bearings Based on a Multiscale Enhanced Cascaded Difference Filter
(The American Society of Mechanical Engineers (ASME), 2024)In this paper, a novel multiscale morphological filter (MMF), called multiscale enhanced cascaded difference filter (MECDF), is proposed for the fault detection of road heading bearings. First, the cascaded morphological ... -
Discussion of “A Multi-Objective Comprehensive Evaluation of Heat Transfer Performance of a Direct-Contact Heat Exchanger” (Li, B., Yang, P., Li, Z., Xu, J., and Wang, H., 2023, ASME J. Therm. Sci. Eng. Appl., 15(1), p. 011014)
(The American Society of Mechanical Engineers (ASME), 2024)The units of entransy dissipation (G) in Nomenclature are wrong. Also, an opinion on the concept of entransy is presented. -
Simulations With Compressible Multiphase Formulation on Heat Transfer Studies in a Rocket Thrust Chamber With Experimental Validation
(The American Society of Mechanical Engineers (ASME), 2024)In the combustor for rocket engines, liquid film cooling is a widely adopted technique for restricting the structural components to the acceptable bounds for the successful operation of the propulsion systems. Multiple ... -
Analysis of Exergy Efficiency and Influencing Factors of Tube Heating Furnace in Oilfield Enterprises
(The American Society of Mechanical Engineers (ASME), 2024)In the energy consumption of surface engineering systems in oilfield enterprises, heating furnaces account for a significant proportion. Therefore, it is necessary to analyze and study their operational performance. This ... -
A Fully 3D-Printed Flexible Polymeric Heat Pipe
(The American Society of Mechanical Engineers (ASME), 2024)Advancements in flexible electronics demand innovative thermal management solutions that are both flexible and efficient. A fully 3D-printed polymeric heat pipe with high flexibility and low cost was demonstrated in this ... -
Effect of Heat Exchanger and Capillary Geometry on the Performance of Joule–Thomson Refrigerators Operating With Different Mixtures
(The American Society of Mechanical Engineers (ASME), 2024)Joule–Thomson (J–T) refrigerators or J–T cryocoolers are extensively used in many low-temperature applications. J–T refrigerators operating with nitrogen–hydrocarbon (N2-HC) refrigerant mixtures offer several advantages, ... -
Comparative Study of Straight and Venturi Channel Cross Sections of Microchannel Heat Exchangers
(The American Society of Mechanical Engineers (ASME), 2024)This study provides extensive research on fluid flow and heat transfer for four-layered ceramic-compact counterflow microchannel heat exchangers (CFMCHE) using CFD-ACE®, a computational fluid dynamics (CFD) package. The ... -
Thermal Performance of a Pump-Assisted Capillary Loop Cooler
(The American Society of Mechanical Engineers (ASME), 2024)The heat transfer and hydraulic performance of a flat evaporator, pump-assisted capillary loop cooler is evaluated for a 1cm2 heat source. The cooler consists of a copper manifold that houses a compensation chamber that ... -
Selection of Phase Change Material for Latent Heat Thermal Energy Storage Using a Hairpin Heat Exchanger: Numerical Study
(The American Society of Mechanical Engineers (ASME), 2024)Phase change materials (PCMs) are promising for storing thermal energy as latent heat, addressing power shortages. Growing demand for concentrated solar power systems has spurred the development of latent thermal energy ... -
The Study of Thermal–Structural Coupling Deformation Analysis for Flexible Space Manipulator in Orbit
(The American Society of Mechanical Engineers (ASME), 2024)The space manipulator can assist astronauts to accomplish space activities, including docking, fixing, and grasping. It is subjected to thermal radiation and produces thermal deformation during orbit operation, which makes ... -
Effect of the State-of-the-Art Condenser Configuration on the Performance of Axially Rotating Wickless Heat Pipes
(The American Society of Mechanical Engineers (ASME), 2024)This experimental study aimed to investigate the effect of a newly shaped condenser on the thermal performance and operational parameters of a horizontally rotating wickless heat pipe. The new condenser shape has been ... -
A Social Activity-Based Control Model for Rumor Propagation
(The American Society of Mechanical Engineers (ASME), 2024)In this paper, we introduce the concept of “social activity” to describe individual behavior on social networks, acknowledging its potential impact on rumor propagation within complex networks. With this in mind, we develop ... -
Cooling Performance Improvement for Two Hot Elastic Plates by Using Double Channels With Rotating Cylinders
(The American Society of Mechanical Engineers (ASME), 2024)Alternative cooling systems that can be used for thermal management in different technological applications such as in batteries, solar panels, electronic systems, and in diverse heat transfer equipments are needed. This ... -
Integrated Performance of a Modular Biomass Boiler With a Combined Heat and Power Industrial Rankine Cycle and Supplementary sCO2 Brayton Cycle
(The American Society of Mechanical Engineers (ASME), 2024)In this paper, the integrated performance of a modular biomass boiler with an existing industrial Rankine steam heat and power cycle and a supplementary supercritical-carbon dioxide (sCO2) Brayton cycle is analyzed. The ...