SUBJECT CODE: TEA 2072 HVAC

Hello ... I JUNAIDI BIN FRIDAY is a student at the institute max ... sabah ... in this blog will tell the story sy sy Berhad or experience in this IKMKK .... and also ... in this blog will sy also write sy ... what is learned at the institute with a degree IKMKK sy "silyl HEATING AND COOLING TECHNOLOGY frozen"
SUBJECT CODE: TEA 2072 HVAC & R SUBJECT: ENGINEERING SCIENCE TITLE: REFRIGERANTION CYCLE TRAINERS pro refrigeration NAME: MR. IBRAHIM BIN IS PROVIDED BY THE JUDGE: - NAME OF STUDENT JUNAIDI BIN FRIDAY CLASS SESSION 2A STPP JANUARI-Jun 2011 MARKS THE CONTENTS NO. TITLE. PAGE 1 INTRODUCTION AND DEFINITION 2 REFRIGRANTION PROCESS TEMPERATURE AND PRESSURE RELATIONSHIP 3 4 THE CYCLE AND HEAT PUMP 5 pH 6 APPLICATION CHART AND THE IDEAL vapor COMPRESSION AND CONTROL OF ACTUAL 7 8 REFRIGERANTION CAPACITY RATING SYSTEM THE REFRIGERANTION I was a student of the course STPP expresses its thanks to EN. IBRAHIM NIN JUDGE Sari as our mentor teachers who have given us ample time to prepare for this task. In addition, thanks also to the coaching and EN IBRAHIM me to complete the task given to me to complete the task ini.Sekali again I want to say thank you very kepda EN IBRAHIM. Thank you. INTRODUCTION pro refrigeration AND DEFINITION In this unit describes the cooling pro refrigeration systems and materials pendingin.Penyejukan is memestikan process hayatmakana term or long bertahanlebih raw materials from jangkitanbakteria pests and air conditioning for comfort cooling industrial use application pengguna.Bagi food storage temperature is usually set at a range of 35 F to 45 F. Some years ago, in the western state food stored in the house in a cold room at the south pole temperature will reach 55 F.Ais cut into pieces in the form of ice cubes and store in Petih sejuk.Ais will melt when it will absorbs heat from the food storage shelves. During the second world war, the governor food is getting cold storage popular.Ini because at the time many people still do not have a cold Petih system itself, so that it is ready frozen food locker central plants.Pada today penyejukankan still in use for the convenience pro refrigeration of users in homes and also for use in industry semakinkembang business rapidly in line with the development of modern technology. REFRIGRANTION PROCESS Process refrigeration in cyclic processes of hot air is removed from the reservoir low temperature and high temperature discharged into the reservoir. In accordance with the laws of thermodynamics both the natural flow of heat from high temperature reservoir to the low temperature reservoir. In the refrigeration cycle process since heat flow behind, outdoor work to be done on the system. Cyclic process of cooling the inverse of the thermodynamic power cycle or Carnot cycle where the heat flow from the reservoir at high temperature to low temperature reservoir, then the cooling cycle is also referred to as Reverse Carnot Cycle. There are two types of process cooling cycle: cycle steam and gas cycle. Steam cycles are grouped into a vapor compression cycle and vapor absorption cycle. Let's look at all this process one-by-one. Vapour Compression Cycle vapor compression cycle is a widely used method of cooling in most modern applications. Your household refrigerators, water coolers, freezers, air-conditioning etc., all running on vapor compression pro refrigeration cycle. This cycle is called vapor compression cycle, because the vapor refrigerant is compressed in compressor refrigerator system to develop a cooling effect. This is the process of vapor compression cycle (see figure provided below): 1) Compression: Steam refrigerant entering the compressor and get compressed to high pressure and high temperature. During this process the refrigerant ideally entropy remains pro refrigeration constant and the leaves in hot super state. 2) Condensation: superheated refrigerant then enters the condenser where it is cooled either by air or water as the temperature is reduced, but the pressure remains constant and it will be converted to a liquid state. 3) Development: liquid refrigerant then enters the expansion valve or valves Throttling any sudden expansion of the refrigerant occurs, because the temperature and pressure drop. Leaves refrigerant expansion valve partially liquid state and partly in the gas state. 4) The steam or cooling: Liquid and most part of the refrigerant gas at very low temperature enters the evaporator where the material will be kept cooled. This is where the cooling effect produced. Refrigerant absorbs heat from the material to be cooled and will be converted into steam. The low-pressure refrigerant is then absorbed by the compressor which is compressed again and the whole cycle repeats again refrigeration. Steam compression cycle process is used for cooling in commercial and domestic applications. METHODS OF REFRIGERATION It is a flowing series of articles