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How a Chiller, Cooling Tower and Air Handling Unit work together
Paul Evans
-
Sep 26, 2017
Properties of Air at atmospheric pressure
Pump calculations
Specific heat capacity of materials
Density of Metals
Density explained!
Paul Evans
-
May 18, 2015
12
Thermodynamic properties of refrigerant R-134a
Paul Evans
-
Aug 5, 2017
3
Mass flow rate explained (kg/s)
Paul Evans
-
May 2, 2015
3
Chillers, AHU, RTU How they work
Paul Evans
-
Nov 22, 2017
4
Primary and Secondary circuits in centralised HVAC systems
Paul Evans
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May 15, 2017
5
Density of Gases
Paul Evans
-
Jul 26, 2015
5
Volume flow rate explained (m3/s)
Paul Evans
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May 4, 2015
6
Chilled Water Schematics
Paul Evans
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Apr 18, 2018
10
The difference between mass and weight
Paul Evans
-
Feb 20, 2015
2
Properties of water at atmospheric pressure
Paul Evans
-
Mar 29, 2015
2
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4
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R450A Pressure Enthalpy Chart
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How to combine multiple cells in excel
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Electrical Transformer Explained
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Why This Circuit Works When It Shouldn’t
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Jan 12, 2026
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In this article we explain how a simple Joule Thief circuit boosts low voltage using inductors, transistors, and Faraday’s law. Learn how it works,...
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