The Knowledge

Author: John Cassells

“I live in the west of Scotland, after a brief stint at university decided I needed a career with a more hands on approach to learning and working. Completed my apprenticeship and NVQ3 in domestic gas at Scottish Gas and after nearly 10 years with them in Service & Repair moved to work for Vaillant. I’ve been there for around 6 years and been the Lead Engineer for Scotland for the past few years. I’ve spent the largest portion of my career so far trying to improve my skills and knowledge through self-learning and exchanging ideas with other engineers in the same field.
February 16, 2021

Black Dust - Sulphidation in Gas Lines and Appliances

Since the UK started using natural gas to heat homes there have been issues with the accumulation of black dust […]

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August 4, 2020

Thermodynamics Without Maths - Part 2

Thermal Conductivity While we have covered a little on the heat capacity of substances as their ability to hold varying […]

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August 3, 2020

Thermodynamics Without Maths - Part 1

Thermodynamics covers the physics of heat and its relationship with matter and other forms of energy, and is involved with […]

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