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NTS Chicago Expansion Phase 3: 24′ x 24′ MIL-STD EMC Chamber

August 4, 2016

We are making rapid progress with construction at our new Chicago area laboratory located at 1660 Wall Street in Mt. Prospect, IL. In the time-lapse video below, you can watch as a 24’ x 24’ MIL Std. EMC Chamber is put together in less...

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NTS Chicago Expansion Phase 2: New Offices

August 2, 2016

Phase 2 of our new Chicago area laboratory in Mt. Prospect, IL is almost completed, with 6,500 square feet of office space being added. It will contain 11 rooms, 2 conference rooms, a customer lounge, kitchen and reception area. This...

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NTS Chicago Expansion Phase 1: Demising Walls

August 2, 2016

Work has begun inside our new facility at 1660 Wall Street in Mount Prospect, IL and we have lots to share! The demising walls were recently constructed which will house all of the existing equipment at the current NTS Chicago location, plus three new...

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Argentina HSE Statement Requirement Update

August 1, 2016

Argentina has published Resolution 171/2016 in April, 2016 replacing Resolution 508[1] and the HSE (Highly Specialized Equipment) statement is no longer mandatory. However, the manufacturers can still opt to implement the statement or keep it as is if it’s already...

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Methodology for Transient Thermal Analysis of Machine Gun Barrels Subjected to Burst Firing Schedules

August 1, 2016

Authors: Ryan Hill and Logan McLeod This work presents a method for simulating the heating of machine gun barrels during burst firings. The method utilizes a two-dimensional axisymmetric finite element model which solves the highly transient convection input on the...

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Analysis of Inter-Chamber Energy and Mass Transport in High-Low Pressure Gun Systems

August 1, 2016

Authors: Ryan Hill and Logan McLeod Two assumptions are often made by lumped-parameter codes in the analysis of dual-chamber guns: (1) that the gas enters the large chamber at the propellant flame temperature, and (2) that the flow between the...

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Modeling of Ordnance-Induced Pyrotechnic Shock Testing

August 1, 2016

Authors: Logan McLeod and Santina Tatum Design of an ordnance-induced pyrotechnic shock test to meet a specific acceleration based Shock Response Spectrum (SRS) test requirement for a given test article has traditionally been an empirical process. Based on experience, the...

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MIL-STD-810 Testing for Fitness Armband

July 19, 2016

While the majority of NTS MIL-STD-810 testing is conducted on products for use in the defense sector, we often provide this testing for consumer product developers who want to demonstrate their products “ruggedness”. One recent example is Armpocket of Miami,...

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International Approvals Update: Taiwan BSMI

July 14, 2016

Recently, Taiwan BSMI has performed inspections in the market on products under BSMI DoC approval scheme. Aside from the BSMI mark with applicant’s code (“D number”) that appears on the product label, the inspectors want to ensure that the applicant’s...

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Microbial Challenge Testing: Determine Fungicide Levels For Your Material Formulation

June 22, 2016

The Microbial Challenge Test is commonly employed to determine the effectiveness of fungicides used in many products such as paints, plastics, wood, fabrics, footwear, finishes, etc… Once such test method comes from ISO 846 “Plastics – Evaluation of the action...

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