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Chiller Cooling Capacity – How to calculate
How to calculate the cooling capacity of a chiller. Chillers provide chilled water which is then used to provide air conditioning within buildings. The...
Vacuum Pumps Explained
Learn how vacuum pumps work, the main parts and why we use them. This article details the basic working principle of single...
Temperature Sensors Explained
Temperature sensors explained. In this article, we’re going to be looking at contact temperature senors to understand the different types and the...
How Transformers Work
Learn how transformers work, how to create a magnetic field with electricity, why only an alternating current can be used in transformers,...
Ohm’s Law
Learn how to understand Ohm’s law, how it works as well as how to use it.There’s also 2...
Combine date and time cells in excel
You can easily combine date and time of two different cells in excel, all you have to do is enter the following into the formula...
How to combine multiple cells in excel
Combine two cells in excel with a space between.
You can easily combine two different cells in excel, all you need to do is enter...
SI Units
The SI units of measurement are based on seven quantities, other commonly used quantities are derived from these.SI Base units:.tg {border-collapse:collapse;border-spacing:0;border-color:#000000;}
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Volume of a sphere
The volume of a sphere can be calculated using the following formulaV = (4÷3) x Πx r3WhereV = Volume (m3)
Î = Pi (3.142 approx)
r...
Purging Industrial Refrigeration systems
Learn how intelligent purging systems work to extract non-condensable gases from an industrial ammonia refrigeration system.Scroll down...
Thermal Comfort in Buildings
Learn the different factors which affect our thermal comfort in buildings and how we control these conditions using HVACR. We also look...
