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E-A-R Technical White Papers

Our engineers are noise control experts. Our customers probably are not. Because of this, much of our product literature is designed to help customers understand their design problems and work with us to solve them.

Included here are several white papers, tutorials written mostly by our engineers. They cover some of the fundamental energy control principles that we apply every day in customers' product designs.

Click on the title to get more information or for the complete text:

Noise Control Solutions in the Power Generator Industry
A brief tutorial on noise control solutions in the power generator industry.

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Damping Effect on Shock Response Spectra: 1.0-inch Hard Disk Drives
An explanation of how E-A-R's highly damped HDD mounting solutions help migrate potentially damaging shock and vibration energy.

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Damping Effect on Shock Response Spectra: 1.8-inch Hard Disk Drives
An explanation of how E-A-R's highly damped HDD mounting solutions help migrate potentially damaging shock and vibration energy.

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Damping Effects on Shock Response Spectra: 2.5-inch Hard Disk Drives
An explanation of how E-A-R's highly damped HDD mounting solutions help migrate potentially damaging shock and vibration energy.

EMail PDF

Shock Control for Portable Electronics
Increased portability means increased exposure to bumps and drops that cause components to collide and LCDs to fracture. Here are tips on how to minimize damage from a shock event.

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Designing for Quiet, Vibration-Free Operation
Complex systems can create complex noise and vibration problems. Here's how to design solutions.

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Dynamic Data Predict Response of Elastomeric Isolators
Performance data can eliminate guesswork when selecting isolators.

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Using Specialty Engineered Foams in Seating Design
Here are some rules of thumb for specifying CONFORŪ ergonomic foam in seats, chairs, cushions and similar designs.

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The Four-Fold Method of Noise and Vibration Control
Concise tutorial outlines the four principal tools for noise and vibration control: damping, isolation, absorption and barrier materials.

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Constrained-Layer Systems Provide Weight-Efficient, High- Level Damping
Article discusses how to maximize noise- and vibration-control with multi-layer composites.

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The Basics of Vibration Isolation Using Elastometric Materials
How damped elastomers can be used to reduce transmission of structureborne vibration.

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Understanding Damping Techniques for Noise and Vibration Control
A brief tutorial on techniques for controlling structureborne noise.

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Engineers' Notebook: Getting to the Bottom of Comfort
CONFOR ergonomic foam offers high-tech performance properties for seating/cushioning applications.

EMail PDF
Proper Performance Data Ease the Task of Specifying Cushioning Materials
Information that takes the subjectivity out of choosing a material for shock protection, padding or cushioning.

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Engineers' Notebook: As Two-Piece Isolators, Bushings and Rings Solve Many Assembly Problems
Brief article explains how to take advantage of ring-and-bushing isolators.

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Tuned Dampers Improve Stepper Performance
Highly damped isolators reduce seek-and-settle time in stepper motor-driven devices.

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Economical, Single-Step Process Produces Urethane Foams
Efficient foam-making method nets more consistent product than traditional process.

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Heavy-Duty Noise Control
Diesel trucks demand tough soundproofing materials

EMail PDF
Noise Control for Heavy Duty Trucks, a Systems Approach
Technical paper prepared for the 2001 Society of Automotive Engineers (SAE) Noise and Vibration Conference. An electronic version may be purchased from SAE, www.sae.org. Or email us for a free printed copy.
Pilot Benchmarking Study of Polyether Foams for Acoustical Applications
Technical paper delivered at the 2001 Society of Automotive Engineers (SAE) Noise and Vibration Conference. An electronic version may be purchased from SAE, www.sae.org. Or email us for a free printed copy.