Johnson- Knowledge Base

Frick Screw Compressors Pt. 2

Here, the focus is on screw compressors in refrigeration and the use of economizers and side loads to enhance energy efficiency. The advantages of screw compressors over reciprocating compressors are highlighted, particularly their ability to have a secondary suction port for drawing additional vapor. The economizer utilizes this port to sub-cool liquid going from the…

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Johnson- Knowledge Base
Frick Screw Compressors Pt. 1

Learn about the basic operation of rotary screw compressors and what part they play in refrigeration. We think of screw compressors as the heart of refrigeration. By understanding a little about how they are supposed to operate, it helps you in applying them in systems and knowing the important points when selecting equipment and designing…

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Johnson- Knowledge Base
Fundamentals of Vibration Measurement with Screw Compressors

Screw compressors are quite large and always a vibration signature on machines. It’s important to learn what we can from those signatures to know if maintenance is needed or if a machine needs some attention. Starting with the basics today and work up to a little more specific interpretation of screw compressor details.

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European fiber infrastructure trends
Europe’s Fiber Future: Trends, Standards, and Market Shifts
December 11, 2025

In this episode of Wavelengths, the Amphenol Broadband Solutions podcast, host Daniel Litwin connects with Carsten Engelke, Director of Technology at ANGA, to deliver a comprehensive primer on the European fiber market as it undergoes a major transformation ahead of ANGA COM 2026. As Europe accelerates its fiber-first strategies, operators, vendors, and policymakers…

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purpose
From Amazon Leader to Franchise Owner: Ramiah Martin on Leadership, Purpose, and Legacy
December 10, 2025

Many professionals reach a moment when the title, the salary, and the climb aren’t enough anymore. They start looking for work that feels meaningful — work that reflects who they are and what they want their lives to stand for. And with millions of Americans stepping out to build businesses of their own in…

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imposter syndrome
Busting Imposter Syndrome Through Presence, Community, and the Power of Delegation
December 10, 2025

Many of us know the feeling: you rack up accomplishments, hit the milestones you once dreamed of, and still there’s a quiet voice asking, “Am I really good enough?” Imposter syndrome has a way of showing up even in our strongest moments, often right when we’re stepping into new opportunities or chapters of growth. And…

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Inside Breaking Down the New Behavioral Threat Assessment Report
Breaking Down the New National Behavioral Threat Assessment Report
December 9, 2025

School Safety Today podcast, presented by Raptor Technologies. In this episode of School Safety Today, host Dr. Amy Grosso interviews guest expert Will Durgin to discuss the newly released Behavioral Threat Assessment and Management (BTAM) Report from the National Threat Assessment Center and Homeland Security. They explore how this report differs from previous NTAC…

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