When the … Relative humidity is meas - ured in % of the maximum … Slideshare uses cookies to improve functionality and performance, and to provide you with relevant advertising. Explanation: Every air conditioner (also pronounced as AC, A/C or Air Cooler in certain regions of the world) has got a compressor inside it. Liquids absorb heat when changed from liquid to gas . This is essentially how all air conditioners work. INTRODUCTION  Definition - Air conditioning is the process of altering the properties of air (primarily temperature and humidity) to more favorable conditions. … How Chilled Water Air Conditioning Works. This can be understand easily from following image. Principles of Refrigeration Based in Second law of thermodynamics. Heat doesn’t flow from a low temperature bodyto high temperature body with out the help of anexternal work. External work is done byCompressorCondenser etcTerminologies of RefrigerationRefrigerating Effect (N): It is defined as thequantity of heat extracted from a cold body orspace to be cooled in a given time. The liquid refrigerant absorbs the latent heat of vaporization, making the air cooler. | PowerPoint PPT presentation | free to view We use your LinkedIn profile and activity data to personalize ads and to show you more relevant ads. To know more contact [email protected] Clipping is a handy way to collect important slides you want to go back to later. Air conditioning   Air conditioning is the science which deals with the supply and maintaining desirable internal atmospheric condition irrespective of external condition. | PowerPoint PPT presentation | free to … 114 hvac interview questions and answers pdf ebook, Poland : Alternative sources of Energy and Recycling, No public clipboards found for this slide. As you can see from this typical example of a air conditioning system, the ambient air is drawn over the condensor that can best described as a ‘radiator’ as seen on motor vehicles but instead of water … You don’t have to be an air-conditioning expert to use Spot Coolers, but understanding the basics of air conditioning will help you understand how Spot Coolers work. Latent heat is important in the operation of an air- conditioning system because the cooling effect is derived from changing the state of liquid refrigerant to vapor. The outside air flows through a damper and mixes with the recirculated air. Ventilation, Heating, Air-Conditioning, And Commercial Refrigeration Equipment Market Business Growth Strategies 2020 - A recent report published by The Business Research Company on Ventilation, Heating, Air-Conditioning, And Commercial Refrigeration Equipment Market provides in-depth analysis of segments and sub-segments in the global as well as regional. Intensive properties do not depend on the size of the system e.g. Search Search. The basic concept behind air conditioning is said to have been applied in ancient Egypt, where reeds were hung in windows and were moistened with trickling water. Clipping is a handy way to collect important slides you want to go back to later. On completion of this course, students should be able to 1. However, first let’s understand air conditioning theory, the basic principle, types of heat, how heat transfers and we’ll discuss how the basic refrigeration cycle diagram works. If you continue browsing the site, you agree to the use of cookies on this website. It works to compress and pump the refrigerant gas. pressure and temperature etc. A difference is made between absolute humidity and relative humidity. This chilled-water is then circulated through the entire building by the use of a pump. Most air conditioners operate on the principle of gas compression and expansion. 7. It is perceive d by humans. Air Conditioning Principles and Systems 4th edition by Edward G. Pita. The working of window air conditioner can be explained by separately considering the two cycles of air: room air cycle and the hot air cycle. 52. The mixed air passes through a filter to remove the dirt, dust, and impurities. In a 3-phase AC induction motor, the stator of the … AC Induction Motor. Solar Air Conditioning - Here, at Solar Green, we pride ourselves to be the renowned & the most trusted partner of green energy, providing a huge range of Solar powered products, for commercial as well as residential use. Title: Subject: Principles of Refrigeration and Air Conditioning Author: Waheed Created Date: 3/19/2009 10:35:37 PM Home. If you continue browsing the site, you agree to the use of cookies on this website. The following procedure is used to design a duct system by this method: … For air conditioning the relative humidity is more impor-tant. Why regular maintenance is a must for Air Conditioners: - Nowadays, the air conditioning system is one of the necessities for all. Introduction and Basic Concepts of Refrigeration and Air Conditioning: First, let's understand a few things. INTRODUCTION  Air conditioning is the process of altering the properties of air to more favorable conditions. In practice other factors must also be taken into account especially cleanliness; odor; velocity & distribution pattern. Air humidity Humid air contains water in a vaporous state. 1. Air conditioning theory. First of all understand basic geometry. is a system or machine that performs three major functions by its three separate ducts i.e heating, cooling and ventilation of air, generally used in residential commercial or Industrial buildings. The same refrigerant is used to move the … The … Saved. Slideshare uses cookies to improve functionality and performance, and to provide you with relevant advertising. PACKAGE AIR CONDITIONING SYSTEM • Water cooled condenser In this system condenser is cooled by water.Water has to be supplied continuously in these systems to maintain functioning of the air conditioning system. Here, our teams of extremely knowledgeable professionals offer all kinds of installation, maintenance, cleaning and repairing services, making our clients to enjoy the flawless performance of … Heat is transferred from a low-temperature region to high-temperature … Looks like you’ve clipped this slide to already. In recent years, DC inverter air conditioner is becoming more popular compared to the conventional air conditioner due to its many advantages. Thermodynamics’ first law explains that energy cannot be neither created nor destroyed, but can be … INTRODUCTION An air conditioning system consist of an air conditioning plant and thermal distribution system. Air conditioner working principle In winter air conditioning system, the air is burnt and heated, which is generally followed by humidification. 2-Static Regain Method The basic principle of the static regain method is to size a duct run so that the increase in static pressure (regain due to reduction in velocity) at each branch or air terminal just offsets the friction loss in the succeeding section of duct. In compression chiller, compressors are used to compress the … A thermal distribution system is required to circulate the media between the conditioned space and the A/C plant. Principles of Air- Conditioning: Human comfort Snapshots. The water cooled condenser is used as a function to reject the heat that was absorbed by the refrigerant in the evaporator. First modern electrical air conditioning works on the size of the necessities for all g... From liquid to gas electrical air conditioning is Vapor Compression cycle handy way to collect important slides you to... 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