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Standards and Technical Documents - Mechanical vibration -- Evaluation of machine vibration by measurements on rotating shafts -- Part 2: Land-based steam turbines and generators in excess of 50 MW with normal operating speeds of 1 50.. -- ISO 7919-2:2009
Description: ISO 7919-2:2009 establishes provisions for applying evaluation criteria for the severity of in-situ, broad-band shaft vibration measured radial (i.e. transverse) to the shaft axis at, or close to, the main bearings. These are in terms of: - vibration under normal steady-state operating conditions
Standards and Technical Documents - Pipeline vibrations. Fluid transients in non-rigid, unbranched planar piping systems. -- 89030Supplier: IHS ESDU
Description: behaviour and a homogeneous fluid. Thus, although gas release and cavitation are predicted, their subsequent effect on the system behaviour cannot be modelled. Steady-state values of pressure, flow velocity, structural displacement and piping forces are calculated before the transient analysis
Supplier: R.A. Miller Industries, Inc.
Description: and the steady-state acceleration of 6g. The isolation between the bands is > 40 dB. A gasket for RF shielding and positive sealing is included. The antenna is coated with a Skydrol resistant lusterless CARC black paint.
- Applications: Aerospace / Military
- Pattern Type: Omnidirectional
Vibration Measurement Instruments and Vibration Analyzers - Aviation & Industrial Vibration Measurement Systems -- PBS-4100RSupplier: MTI Instruments Inc.
Description: analyze transient and steady state vibration signals from aircraft engines at all power settings. A unique dual Pentium architecture ensures that all critical engine data is quickly and accurately collected. Vibration surveys, frequency spectrums, and even oscilloscope displays can be acquired using
- Signal Input: Voltage, Frequency
- Sensor Inputs: Accelerometer, Linear Velocity, Proximity / Displacement, Rotary Velocity/Tachometer
- Features: Event Triggered, Filters, Self Test / Diagnostics / Self Calibrating
Supplier: Isotech, Inc.
Description: Isotech's Plate Mounts are a family of versatile low-frequency isolators recommended to isolate steady state vibration and control occasional shock inputs. These lightweight and compact isolators provide multi-directional isolation from lower frequency disturbances. Typical Applications: Medical
- Application: Vibration Isolation
Description: All-attitude, highly damped mounts for protection of equipment from vibration, shock during steady-state acceleration. Barry B-Mounts provide shock and vibration isolation for avionic equipment in high performance aircraft. They feature low resonant transmissibility and isolate high frequency
- Application: Vibration Isolation
- Machine Mount Type: Cup Mount
- Features: Anchoring Holes, Stainless Steel Construction
Supplier: ITT Enidine Inc.
Description: WEAR pipe restraints are uniquely packaged wire rope isolators designed to protect structures from steady state vibration and isolate them from seismic and dynamic loads. These new generation energy absorbing restraints feature simple construction. There are no oils, seals or complex moving parts
- Application: Vibration Isolation
- Machine Mount Type: Other
- Features: Anchoring Holes, Metric Design
Supplier: PCB Piezotronics, Inc.
Description: and easy setup of the SDC002 through a standard RS-232 port. The VibeAlarm is convenient for steady-state operations, likes pumps, fans, motors, etc. BENEFITS: Two Levels of Alarm with Latching or Momentary Settings Computer Programmable Band-Pass Filtering LCD Display or Output with LED Indicators
- Monitoring Capability: Crash Avoidance
- Communications: RS232C / RS485, PLC
- Features: Adaptive Controls, Time Delay Trip
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Featured Products for Steady-state Vibration Top
ORBIGate V5 OROS Turbomachinery Vibration Solution
Trigger data collection on Multi-channel Alarm Conditions. Starting a data recording whenever one of your 32 channels exceeds a user defined threshold? ORBIGate V5.0 makes it possible!. Turbomachinery vibration measurements can be long and vibration troubleshooters don ’t always have time to stand behind their instrument to press the record button. In particular during long steady state periods, when waiting for pressure and temperature to stabilize and changing process parameters can... (read more)
Browse Vibration Measurement Instruments and Vibration Analyzers Datasheets for OROS
MTI Instruments Inc.
PBS-4100R Test Cell Vibration & Balancing System
The PBS-4100R is a complete aircraft engine vibration analysis system in a single package. Designed for engine test cells, this system includes everything required for vibration data collection and analysis including tachometer signal conditioning circuitry. Use the PBS-4100R to quickly analyze transient and steady state vibration signals from aircraft engines at all power settings. A unique dual Pentium architecture ensures that all critical engine data is quickly and accurately collected... (read more)
Browse Balancing Machines and Systems Datasheets for MTI Instruments Inc.
ITT Enidine Inc.
WEAR™ Wire Energy Absorbing Rope Pipe Restraints
WEAR ™ (Wire Energy Absorbing Rope) pipe restraints are uniquely packaged wire rope isolators designed to protect structures from steady state vibration and isolate them from seismic and dynamic loads. These new generation energy absorbing restraints feature simple construction. There are no oils, seals or complex moving parts required to perform their function. The design has eliminated the problems often associated with hydraulic or mechanical restraints which are complex and prone... (read more)
Browse Vibration Isolators and Machine Mounts Datasheets for ITT Enidine Inc.
Meggitt Sensing Systems - Measurement Group
New High-g Triaxial Shock Accels (7274)
in Sunnyvale, California, USA. With a frequency response extending down to dc (steady state), the 7274 series is also ideal for measuring long duration transient shocks while integrating critical acceleration data for velocity and displacement. In addition, sensors feature a robust eight-conductor cable that is expressly designed to repeatedly withstand high-g shock acceleration inputs. Units also feature simple screw mount installation with factory controlled and tested cross-axis performance, making... (read more)
Browse Vibration Sensors Datasheets for Meggitt Sensing Systems - Measurement Group
Conduct Research Top
Steady State Pressing II
shedding, etc. It is at this point of 'minimum acceptable performance' where. Steady State Pressing II Steady State Pressing IIThe evolution continues Rob Hansen, Geschmay Modern paper machines have reached speeds exceeding 1.900 MPM in publication grades, 1.500 MPM
Application Note - Vibration Criteria for Facilities with Sensitive Equipment
. and little pure tone energy. This broadband energy assumption is the basis for using. proportional octave bands. Vibration measurements should be made in 3 directions (vertical and 2 horizontal),. and averaged over an adequate time period. In a steady-state or quasi-steady-state. environment, linear
Shock Response Spectrum Analysis
forces. Nevertheless, the SRS analysis method continues to grow in popularity with vibration test labs and analytical organizations. The method is even gaining in popularity for steady state vibration applications as well as transients. NASA routinely applies the method for evaluating the severity
Designers intro to FEA, part III
heat flux are typical output data requested in the steady-state thermal analysis. Modes of vibration calculated in modal analysis are prerequisites to vibration analysis using the modal superposition method. Combined transient thermal and linear static analyses allow calculating thermal stresses
Gas Turbine Monitoring
Quiet, upscale cruising
. Based on customer input, engineers also respecified the U-joint articulation torque to cut driveline vibration, which was noticeable at about 45 mph. Says Williams, "We measure NVH in terms of the maximum noise output during a wide-open throttle, first-gear run. We also measure steady-state noise
Designers intro to FEA, Part II
, frequency response, and random-vibration analyses." Thermal analysis is also classified as to whether or not thermal loads are time dependent. "Unchanging thermal loads and boundary conditions point to a steady-state thermal analysis. Changing thermal loads and boundary conditions require a transient
Comparison Between Sound Intensity Probes and Acoustic Cameras
camera is a tool used to locate and analyse sound sources, usually both steadystate and dynamic phenomena. The intensity probe is used to find the sound intensity at a particular position, usually a steadystate phenomena. Comparison Between Sound Intensity Probes and Acoustic Cameras : Noise & Vibration
Engineering Web Search: Steady-state Vibration Top
Steady state - Wikipedia, the free encyclopedia
Steady state From Wikipedia, the free encyclopedia
Harmonic oscillator - Wikipedia, the free encyclopedia
5.2 Steady-state solution 5.2.1 Amplitude part Vibration Damping Damping ratio Rotational motion
DSPCon supplies the world with high-performance data...
Dynamic & Steady-state Data Acquisition DSPCon records dynamic and steady-state data into one DATX file.
EFFECTS OF CYCLIC PRESSURE VARIATION ON PERMEABILITY
To test the elastic wave vibration effect on the single-phase flow and to verify the theoretical predictions at laboratory-scale, two different sets
The Investigation of Vibration of LINAC at KEK
(a) Shutdown state of Linac (b) Transient period from shutdown state to steady operational state of Linac (c) Steady operational state of Linac (d)
David H. Johnson P.E., Associate Professor of Engineering
B.S., Mechanical Engineering, Pennsylvania State University, 1978.
Galerkin method for steady-state response of nonlinear forced...
Galerkin method for steady-state response of nonlinear forced vibration of axially moving beams at supercritical speeds
Investigation on steady state deformation and free vibration...
Title: Investigation on steady state deformation and free vibration of a rotating inclined Euler beam Authors: Ming Hsu Tsai, Wen Yi Lin, Yu Chun