Refrigerants are the life blood of the vapor compression system. The refrigerant flows continuously through the vapor compression cycle, absorbing the heat in the evaporator and releasing it in the condenser. It undergoes various phase changes while flowing though the cycle.
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There are four important parts of a refrigerator: compressor, condenser, expansion valve and evaporator. Freon gas passes through all these parts continuously in the form of a cycle and undergoes various phase and temperature and pressure transformations. Freon acts as the media for transfer of heat.
Manufacturing cycle is the complete cycle of processes which are involved from the very beginning of placing an order to the other extreme of the manufactured product going into the hands of the end consumer. Read on to find out more about these intermediate processes and a brief description thereof
Air conditioning is the process of maintaining comfortable conditions inside a closed space. It controls temperature, humidity, air flow rate and the cleanliness of air inside a room.
As we know mechanical engineering is mainly related to the science of machines in the broad sense of the word. Machines are mainly used for production of other products and this is where the concept of manufacturing technology comes in the picture. Find out more about this interesting technology!
In throttling devices the pressure of the refrigerant drops down suddenly and due to this its temperature also reduces drastically. This article describes various types of throttling devices being used for refrigerator and air-conditioning systems.
The HVAC system selected haphazardly for your home or office can turn out to be insufficient or highly expensive. For achieving comfortable conditions at optimum costs, HVAC design for your home or office is important.
In condensers the refrigerant gives up the heat that is has absorbed in the evaporator. There are three main types of condensers: air cooled condensers, water cooled condensers and evaporative condensers.
Heat is generated inside the room from various sources. Some of these include heat gained by the walls, heat entering from the windows, heat generated by the people, electrical equipments etc.
This article describes the arrangement of compressors in the package air conditioners with multiple compressors. It also describes the capacity control system in these units.
We all take pride in showing off our latest automobiles and getting them decorated with the fanciest of accessories (at least most of us), but have you ever thought what makes the vehicle move at a speed which thrills (don’t forget the speed limits by the way)? Find out more about engines!!
A number of software programs have come on the market that make complex HVAC design and heat load calculations very simple. Here one such product named AutoCAD HVAC Design software is described.
Central air conditioning plants are used for applications like big hotels, large buildings having multiple floors, hospitals, etc, where very high cooling loads are required. The article describes various possible arrangements of central air conditioning plants.
Manufacturing of various products is carried out with the help of different kinds of machines. Lathe machine is one of the oldest, yet most useful and versatile of such kind of manufacturing machines, and can be used for numerous manufacturing operations on a wide range of materials.
CAD stands for Computer aided designing or drafting. CAD software has become an inseparable part of the engineers and architects involved in designing, drafting and manufacturing. This article discusses what CAD is, its applications and some popular CAD software.