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THE TRUTH ABOUT THE TACOMA NARROWS BRIDGE

Classical mechanical resonance due to vortex shedding was determined not to be the
primary cause of failure.
Click here to read the full article: TACOMA NARROWS BRIDGE

 

Avoiding FAILURES OF METALS

Concerns and items to watch out for when designing for the avoidance of metal failure..
Click here to read the full article: AVOIDING FAILURES OF METALS

 

FAILURES OF METALS

Investigation of the principal causes of failure in metals - including several example photos
and case-studies..
Click here to read the full article: FAILURES OF METALS

 

DESIGN OF CUSTOM TESTING PROGRAMS - PART II

Conclusion of the Part I - available below. Custom programs can be designed to fit the unique needs of nearly every type of engineered component.
Click here to read the full article: CUSTOM TESTING PROGRAMS II

 

DESIGN OF CUSTOM TESTING PROGRAMS - PART I

Unique products sometimes require unique testing programs to verify their design specifications and standards. Custom programs can be designed to fit the unique needs of nearly every type of engineered component.
Click here to read the full article: CUSTOM TESTING PROGRAMS I

 

catastrophic structural failures

Case studies in modern structural failures, up to and including contemporary disasters.
Click here to read the full article: STRUCTURAL FAILURES

 

Torsional vibrations

Rotational vibrations in power transmission shafts can cause unanticipated behavior in
mechanical systems, and may need to be mitigated with torsional damping .
Click here to read the full article: TORSIONAL VIBRATIONS

 

THE CUSTOM-BUILT FIRE CHAMBER

Aero Nav Labs has designed and built a custom fire chamber for testing items such as hydraulic hoses, fireproof insulation, and equipment that must endure high-temperature and open-flame conditions.
Click here to read the full article: THE FIRE CHAMBER

 

VIBRATION THEORY AND APPLICATIONs

This article offers a brief overview of the primary aspects of vibration theory and some of
the main concerns involved in vibration testing.
Click here to read the full article: VIBRATION THEORY AND APPLICATIONS

 

EFFect of harmonics on power distribution systems

This article, written by Artur Litovka, discusses the sources of voltage and current harmonics, as well as their harmful effects on electrical systems.
Click here to read the full article: EFFECT OF HARMONICS ON POWER DISTRIBUTION SYSTEMS

 

FINITE ELEMENT ANALYSIS

Finite element analysis (FEA) is an engineering tool used in performing analyses such as calculating stresses or deformations in complex structures under loading. This article discusses how such problems are approached by computer software, as well as the benefits of modern FEA techniques.
Click here to read the full article: FINITE ELEMENT ANALYSIS

RELIABILITY ENGINEERING

Equipment reliability is defined as the ability of a component or system to perform its intended function, under a given set of conditions, for a specified period of time. This article defines several of the factors which are considered in a reliability analysis, as well as the techniques used to determine equipment reliability.
Click here to read the full article: RELIABILITY ENGINEERING

COMPUTATIONAL FLUID DYNAMICS

This article addresses the branch of the field of fluid mechanics known as computational fluid dynamics (CFD). Included is a brief discussion of the various conditions that may be modeled using CFD, as well as the procedure by which analysis is performed resulting in a visualization of the solution.
Click here to read the full article: COMPUTATIONAL FLUID DYNAMICS

VIBRATION MODAL ANALYSIS

This article describes vibration modal analysis which is the field of studying the dynamic properties of mechanical structures when subjected to vibrational excitation. Several types of input signals are discussed as well as different methods for testing and data acquisition.
Click here to read the full article: VIBRATION MODAL ANALYSIS

EFFECTIVE DESIGN OF COMPONENTS EXPOSED TO THE ENVIRONMENT

This article describes design methods and materials used for equipment that needs to withstand prolonged exposure to the environment. Please feel free to contact AERO NAV LABS with questions about how we could be of service for your design or manufacturing project.
EFFECTIVE DESIGN OF COMPONENTS EXPOSED TO THE ENVIRONMENT



HELPING OUR TEST CUSTOMERS TO DO THEIR JOB BETTER, SAVE MONEY, AND MAKE THEIR BOSS HAPPY

Aero Nav Laboratories has prepared an exciting and informative new series of articles as entitled above. It provides important information which will allow for highly cost effective environmental simulation testing programs.

There are 8 articles in the series as follows:

Request for Quotation: Data Requirements
How to Save our Customers Money
Test Specifications
Test Scheduling
Customer Representatives
Test Letters / Reports
Understanding Test Procedures
Understanding Laboratory Test Equipment

The articles will be issued as blogs, newsletters, and posted here on a periodic basis. AERO NAV LABORATORIES will be pleased to work with your company to develop a test program to meet your specific needs. Furthermore, the laboratory is available to review in detail the many issues discussed in these articles.

VIBRATION TEST FIXTURES

Vibration test fixtures are required to allow mounting of a test specimen to the vibration table. The design of test fixtures is critical to avoid errors in the equipment's test response. The two following articles describe the theory of fixture design, as well as the test fixture qualification processes used to verify their ability to efficiently and accurately transmit energy from the test machine to the specimen under test.
TEST FIXTURE DESIGN
TEST FIXTURE QUALIFICATION

NOISE TESTING

This article several types of noise testing, such as air-borne, structure-borne, and acoustic noise tests. Included is a discussion about anechoic chambers, sound fields, and the measurement of sound intensity.
Click HERE to read the full article.

ELECTRICAL testing

Testing is critical for ensuring the performance of electrical systems or components, whether it's for military or consumer products. Aero Nav Laboratories provides a wide variety of electrical testing services tailored to the specific requirements of each individual project. This article describes some of the electrical tests which are most often performed by Aero Nav Labs.
Click HERE to read PART 1 of the article.
Click HERE to read PART 2 of the article.

 

Shock testing of ship components

Shock testing is critical for ensuring the integrity of military shipboard components, especially when personnel safety and continuity of service is a concern. Aero Nav Laboratories provides a variety of shock testing services tailored to the specific requirements of each individual project. This article expains high impact shock testing per MIL-S-901D and addresses Aero Nav's wide range of shock testing capabilities.
Click HERE to read the full article.

 

AERO NAV LABORATORIES NOW OFFERS MANUFACTURING AND ENGINEERING SERVICES

Our new CONTRACT WORK SERVICES website is now available online! It provides detailed information about the numerous engineering and manufacturing services we offer. Read the ARTICLE or go directly to our website:
www.ContractWorkSolutions.com

 

CONDITIONS THAT GIVE RISE TO THE NEED FOR ENVIRONMENTAL SIMULATION TESTING

This article written by Sheldon Levine, discusses various types of possible environments to which equipment may be exposed, that are not know or understood well, and that give rise to the need for Environmental Simulation Testing.
Click HERE to read the full article.

 

fire Testing

This article written by Sheldon Levine, describes how fire testing at Aero Nav Laboratories is designed to measure equipment's material survivability characteristics.
Click HERE to read the full article.

 

INTRODUCTION TO noise Testing

This article written by Sheldon Levine, describes the noise environments that can be simulated at Aero Nav Laboratories. It describes external noise environment, as well as equipment's self-generated noise environment.
Click HERE to read the full article.

 

EXPLOSIVE PRESSURE PULSE SIMULATION

A customer recently asked Aero Nav Laboratories whether simulation tests could be performed to determine the survivability of a piece of equipment when subjected to explosive pressure pulse blasts. The equipment was designed to be robust and expected to survive moderate levels of pulse blasts like what would be experienced in the survivability zone of an explosion. This zone is defined as the area where the explosive effects are less severe than would be seen at the point of inception of a blast.:

READ MORE...... go to:
www.evaluationengineering.com/features/2008_march/0308_environmental_test.aspx

 

VIBRATION TEST FIXTURE: THEORY AND PRACTICE

Please click here to view the technical article.

 

Aero Nav will provide technical seminars at your facility (NYC metro area only) or ours. To arrange for the seminars, please call the marketing department at 718-939-4422. The seminars make approximately 1 to 1 1/2 hours including questions and answers.

SEMINAR No. 1
"Environmental Simulation Testing Theory and Applications." Describes the theory and application of environmental simulation testing.
(Click here to view Seminar 1)

SEMINAR No. 2
"Engineering Failures & Design Failures"
Discuss a number of famous structural failures and their causes.
(Click here to view Seminar 2)

SEMINAR No. 3
"Engineering Failures & Videos of Actual Testing "
Discuss a number of famous structural failures and their causes. Note that videos are shown as stills on pdf version (videos on ppt version).
(Click here to view Seminar 3)

SEMINAR No. 4
"Environmental Simulation Testing In The Laboratory/ Design Principles To Prevent Failures"
Presents videos of actual tests and design principles to prevent failures.
(Click here to view Seminar 4)

 

 



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