Ammonia is a phenomenal chemical. It has a wide variety of uses in many different industries. Ammonia has been used in the following applications: Fertilizer, Water Treatment, Cleaning, Selective Catalytic Reduction, and Refrigeration. Ammonia boils at -28.1ºF at normal atmospheric pressure. Ammonia vapor is lighter than air as expressed by a vapor density of 0.6. Ammonia is highly […]
When selecting a refrigerant, many factors influence the decision. It is important to remember that no refrigerant is perfect. One might have wonderful thermodynamic properties, but it is highly flammable. Another refrigerant may be safe for humans to handle, but it negatively impacts the environment. Selecting a refrigerant for a specific application involves careful consideration […]
What do the various refrigerant numbers mean? Believe it or not, there is a method to the madness. First of all, most refrigerants are “organic compounds,” which means they have one or more carbon-hydrogen or carbon-carbon bonds. The only series classified as “inorganic”, or lacking these bonds, is the 700-series, which includes ammonia, carbon dioxide, […]
Simply defined, “matter” is anything that takes up space and can be weighed. All physical things are made of matter since physical things have both volume and mass. Technically, there are five states of matter: Solid Liquid Gas Plasma Bose-Einstein condensate Items four and five on that list are not relevant to the study of […]
There are three distinct categories of heat transfer: Conduction Convection Radiation Each of these heat transfer modes is important to understand. The first two modes, conduction and convection, require direct physical contact between the molecules of the substances involved in the heat transfer. The third mode, radiation, is the transmission of heat in the form […]
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