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RISEffects of Inlet Preswirl and Cell Diameter and Depth on Honeycomb Seal Characteristics
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Three-dimensional Reynolds-averaged Navier–Stokes solutions are employed to investigate the discharge and total temperature increase characteristics of the stepped labyrinth seal with honeycomb land. ...
Investigations on the Rotordynamic Characteristics of a Hole-Pattern Seal Using Transient CFD and Periodic Circular Orbit Model
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Numerical investigations on the rotordynamic characteristics of a typical hole-pattern seal using transient three-dimensional Reynolds-averaged Navier–Stokes (RANS) solution and the periodic circular ...
Assessment and Repair of Fire-Damaged High-Strength Concrete: Strength and Durability
Publisher: American Society of Civil Engineers
Abstract: Strength and durability are two key factors influencing the safety and service life of fire-damaged concrete structures. To develop an assessment method for fire-damaged high-strength concrete (HSC) structures that is ...
Effect of Acid Rain on Mechanical Properties and Aging Mechanism of Asphalt
Publisher: American Society of Civil Engineers
Abstract: Through the preparation of nitric acid–type acid rain, mixed acid rain, and sulfuric acid–type acid rain, an experimental method of periodic soaking of asphalt was developed. Then, using a four-component test, the ...
Investigations on the Discharge and Total Temperature Increase Characteristics of the Labyrinth Seals With Honeycomb and Smooth Lands
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The viscous work generated by the rotating components of a seal not only represents a direct loss of power but also causes an increase in the total temperature of fluid (windage effect). In ...
Numerical Investigations on Leakage Performance of the Rotating Labyrinth Honeycomb Seal
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Three-dimensional Reynolds-averaged Navier–Stokes (RANS) solutions from CFX were utilized to investigate the leakage flow characteristics in the labyrinth honeycomb seal of steam turbines. At first, ...
Effects of Pressure Ratio and Rotational Speed on Leakage Flow and Cavity Pressure in the Staggered Labyrinth Seal
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Effects of pressure ratio and rotational speed on the leakage flow and cavity pressure characteristics of the rotating staggered labyrinth seal were investigated by means of experimental measurements ...
Influence of Offset Terminal Elbow Shape on the Discharge Capacity of a High-Rise Building Drainage System
Publisher: ASCE
Abstract: In practical engineering, it is common to offset the drainage system axis to avoid conflicts with beams and columns. However, such an offset could significantly affect the system’s discharge capacity and drainage safety, ...
Influence of Vent Pipe Bottom Connection Position on the Discharge Capacity of Two Building Drainage Pipe Systems
Publisher: ASCE
Abstract: The fierce positive pressure problem at the bottom of a building drainage pipe system can cause building discharge backflow or indoor environmental pollution. Full-scale discharge experiments on the vent pipe bottom position ...
Stability Assessments of Reinforced Tunnel Face Using Improved Homogenization Approach
Publisher: ASCE
Abstract: In this work, the stability of a reinforced tunnel face is examined by combining the homogenization method with the kinematic approach of limit analysis. A three-dimensional (3D) heterogeneous and anisotropic failure ...