Добірка наукової літератури з теми "Air conditioning chamber"

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Статті в журналах з теми "Air conditioning chamber"

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Md., Fazle Rabbi. "Development of Industrial Air Dust Removing and Air Cooling Machine for Heavily Polluted Areas of the Industry." European Journal of Advances in Engineering and Technology 5, no. 8 (2018): 517–20. https://doi.org/10.5281/zenodo.10715909.

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<strong>ABSTRACT</strong> Industrial air dust removing and air cooling machine is constructed based on the fluid mechanics principles and application of applied chemistry. One air pump absorbed dusty air from the polluted industrial area and flows it into the main chamber. The main chamber purifies the dusty air by passing it through the water, plastic net and transparent cloth. Another air pump absorbs the pure air from the chamber and flows the pure air into in the industry again. As water temperature remains less than air temperature the air will be cooled and pure air will help the air con
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Arao, Yuki, and Ryoichi Kuwahara. "A study on the influence of different blowing systems on indoor thermal environment and air quality in underfloor air conditioning system." E3S Web of Conferences 356 (2022): 01009. http://dx.doi.org/10.1051/e3sconf/202235601009.

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The purpose of this study is to investigate the most effective blowing method of underfloor air conditioning system from the viewpoint of comfort and ventilation performance using CFD simulation. In this study, we simulated three types of air blowing systems: floor radiation, floor-supply displacement air-conditioning, and floor chamber. Then, comfort was evaluated from thermal environment and PMV, and ventilation performance was evaluated from air age. As a result, the floor radiation system was able to maintain comfort. However, it was found that the floor-supply displacement air-conditionin
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Jian, Yiwen, Shuwei Liu, Mengmeng Bian, Zijia Liu, and Shengjie Liu. "Climate Chamber Experiment Study on the Association of Turning off Air Conditioning with Human Thermal Sensation and Skin Temperature." Buildings 12, no. 4 (2022): 472. http://dx.doi.org/10.3390/buildings12040472.

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To date, few attempts have been made to associate air conditioning behavior with environmental conditions and the occupants’ thermal sensations and physiological states simultaneously. In this study, a series of experiments were conducted in a climate chamber environment, representative of a typical intermittent air conditioning process in residences. For 29 participants, local skin temperatures, thermal sensation and the participants’ intention of turning off air conditioning were recorded continually. Skin temperature and thermal sensation were found to keep decreasing over time, which in tu
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Elang Pramudya Wijaya and Ardiyansyah Saad Yatim. "Numerical Investigation of Air Movement on Laboratory Scale Psychrometric Chamber." Journal of Advanced Research in Fluid Mechanics and Thermal Sciences 84, no. 2 (2021): 82–91. http://dx.doi.org/10.37934/arfmts.84.2.8291.

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Higher energy demands in favorable energy prices increasing people's affordability of the cooling devices, causing most building and residential areas to wear air conditioning systems. Higher energy saving, efficiency, and eco-friendly equipment have become a challenge for manufacturers and researchers. Also, Indonesia's government rules the energy efficiency by SKEM (Minimum Standard of Energy Performance) by air conditioning equipment's labeling. In this study, the use of perforated ceiling was selected due to the excellent air distribution performance of the panels. This study analyzes the
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Zhang, Yu Fan, Zhi Hao Ji, Jin Yan Liu, et al. "Study on Mathematical Model in Working Process of Automotive Air Conditioning Scroll Compressor." Applied Mechanics and Materials 741 (March 2015): 572–76. http://dx.doi.org/10.4028/www.scientific.net/amm.741.572.

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In order to study the working features of automotive air conditioning scroll compressor, this paper uses mathematical model of working process to analyze it. After studying working process, a equation of suction volume is given. The thermodynamic model of compression chamber and back pressure chamber includes mass conservation and energy conservation. Based on Hydromechanics, leakage models of radial leakage and tangential leakage are discussed. The model lays a foundation of automotive air conditioning scroll compressor performance simulation.
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Yatim, Ardiyansyah, Ridho Irwansyah, Aldi Pradana, Jassim Addi, and Aurelie Adam. "Design of Humidifier Control System for Psychrometric Chamber in the University of Indonesia." Journal of Physics: Conference Series 2972, no. 1 (2025): 012017. https://doi.org/10.1088/1742-6596/2972/1/012017.

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Abstract Currently, the Air Conditioner is one of the tools that has become a necessity for people all over the world. Most homes, office buildings to shopping centers use Air Conditioners to increase comfort. Therefore, the use of electricity due to air conditioning is quite large and always increases with the increase in population. This is the government’s concern because the increase in energy required is increasing. The government wants to try to reduce the consumption of electrical energy due to the use of air conditioning without reducing the need for air conditioning for the community.
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Isakhodjayev, Kh, F. Mukhtarov, D. Kodirov, and I. Toshpulatov. "Development of a laboratory nozzle chamber installation for the humidification of buildings." IOP Conference Series: Earth and Environmental Science 939, no. 1 (2021): 012025. http://dx.doi.org/10.1088/1755-1315/939/1/012025.

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Abstract The nozzle chamber, in which water is sprayed into the air stream using mechanical nozzles, is the main unit for these processes in central air conditioning systems (AHUs). The types of nozzles used do not have a sufficiently high effect of interfacial surface forming due to increased metal usage and the broad total dimensions of certain chambers, i.e., they do not have intensive heat and mass transfer. The authors performed testing of the apparatus in the direct iso-enthalpic air cooling mode to improve the performance of the nozzle chamber. Thus, the experiments conducted confirm th
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Egnatosyan, Siranush, and Naira Egnatosyan. "Developing a new method of calculating heat and humidity air treatment by water in irrigation chamber." E3S Web of Conferences 281 (2021): 06003. http://dx.doi.org/10.1051/e3sconf/202128106003.

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Анотація:
The air treatment processes in the air conditioning systems are the main part of air conditioning. This paper presents the new corrected method of heat and humidity treatment calculation of air by water, where not only the heat transfer process between water and air is taking into account but also the mass transfer process. The accuracy of the suggested method verified using the calculations to determine the parameters of air and water in various real processes of heat and humidity air treatment, shown in the psychometrics chart of various scales. Application of the suggested method gives an o
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Li, Lu, Wenhua Chen, Hui Zhang, et al. "Ceiling-Fan-Integrated Air Conditioning (CFIAC): Age-of-air, Air Pollution, and Airflow Distribution." E3S Web of Conferences 396 (2023): 02039. http://dx.doi.org/10.1051/e3sconf/202339602039.

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Ceiling-Fan-Integrated-Air Conditioning (CFIAC) is a heating ventilation and air conditioning (HVAC) design approach that jets supply air into the vicinity of ceiling fans to be mixed and distributed within the room. This eliminates terminal ductwork and diffusers and provides very efficient cooling for the occupants. Two previously published papers have described the air velocity, temperature, and thermal comfort fields in a space conditioned by CFIAC. This paper is the third in this series, to evaluate CFIAC ventilation effectiveness and its effect on air pollution. In a test chamber, HVAC s
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Kuncoro, C. Bambang Dwi, Tandi Sutandi, Cornelia Adristi, and Yean-Der Kuan. "Aeroponics Root Chamber Temperature Conditioning Design for Smart Mini-Tuber Potato Seed Cultivation." Sustainability 13, no. 9 (2021): 5140. http://dx.doi.org/10.3390/su13095140.

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The aeroponic plant root environment has a significant role in producing high-quality seed tuber potatoes. However, in lowland and tropical regions, the aeroponic system cannot yield high-quality potato seed because the average environment temperature year-round is high. In a high-temperature environment, the potato plant roots cannot optimally absorb the nutrient solution for healthy plant growth. This paper presents the method used to maintain the aeroponics root chamber temperature conditions. An air conditioning system was adopted to supply air with the optimal temperature range for mini-t
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Дисертації з теми "Air conditioning chamber"

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Badenhorst, Kenneth Merwin. "The simulation of vehicle engine cooling in a climatic chamber." Thesis, Nelson Mandela Metropolitan University, 2011. http://hdl.handle.net/10948/1454.

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The simulation of vehicle engine cooling validation in a Climatic chamber will benefit all vehicle manufacturers that are responsible for the design or the localization of parts used in a vehicle's engine cooling system. The ability to test the vehicle in-house allows testing at any time of the year; it provides repeatable and comparative data, and accelerates component level approval, which in itself reduces program timing and cost. For this dissertation road level testing was conducted in Upington using a TD1200 Superflow towing dynamometer, while the in-house testing was performed on a ROTO
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Lai, Chao-Yung, and 賴朝永. "Research on Air-Conditioning Design of Fermentation Chamber for Sorghum Liquor." Thesis, 2008. http://ndltd.ncl.edu.tw/handle/qu7c5b.

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碩士<br>國立臺北科技大學<br>能源與冷凍空調工程系碩士班<br>96<br>Sorghum liquor is a famous and popular liquor in Taiwan, and is also the primary economy of Kinmen. Production of sorghum liquor has to undergo fermentation that needs temperature and fresh air control to ensure the productivity and quality. Therefore optimal air-conditioning design is important and is the major investigation in this research. Field tests of the operation of the air-conditioning system were conducted for evaluation of energy conservation and proper control. This study has found through field tests that the CO2 concentration varied signi
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Частини книг з теми "Air conditioning chamber"

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Attia, Mohammed El Hadi, Zied Driss, Mokhtar Ghodbane, Ahmed Kadhim Hussein, Sachindra Kumar Rout, and Dong Li. "Experimental Study of the Temperature Distribution Inside an Indirect Solar Dryer Chamber." In Advances in Air Conditioning and Refrigeration. Springer Singapore, 2020. http://dx.doi.org/10.1007/978-981-15-6360-7_28.

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Shinde, A. B., and S. N. Sapali. "Waste Heat Recovery from Walls of the Combustion Chamber of a New Portable Jaggery Plant to Dry Bagasse." In Advances in Air Conditioning and Refrigeration. Springer Singapore, 2020. http://dx.doi.org/10.1007/978-981-15-6360-7_39.

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Parashar, Vardan, Abid Haleem, and J. A. Usmani. "Performance Analysis of Free Air Cooling Conditioning Chamber (FACCC) to Develop Improved Cold Chain During Transportation of Agricultural Crops in India." In Lecture Notes in Mechanical Engineering. Springer Singapore, 2019. http://dx.doi.org/10.1007/978-981-13-6577-5_43.

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Haselsteiner, Edeltraud, Marielle Ferreira Silva, and Željka Kordej-De Villa. "Climatic, Cultural, Behavioural and Technical Influences on the Indoor Environment Quality and Their Relevance for a." In Future City. Springer International Publishing, 2021. http://dx.doi.org/10.1007/978-3-030-71819-0_10.

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Анотація:
AbstractResearch about indoor comfort in future years will increasingly be guided by the pressing need for decarbonizing the built environment due to climate change. Health, efficiency, and satisfaction of work and the feeling of comfort are largely determined by the interior criteria. The sustainable indoor environment is a result of complex factors: air conditioning (ventilation), indoor temperature, heating methods, lighting, and acoustic. This chapter explores and analyzes climatic, cultural, and behavioral factors that play an important role and have an influence on technology for an indo
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Palomar Aguilar, David, Carlos Miguel Iglesias Sanz, and Sofia Corsini Fuhrmann. "Ground Air Temperature Control for Heat Pump Exchange. APTAE System." In Advances in Civil and Industrial Engineering. IGI Global, 2021. http://dx.doi.org/10.4018/978-1-7998-7279-5.ch008.

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Анотація:
Heating and cooling consume a high amount of energy, which is today mainly provided by fossil fuels. To save fossil resources and simultaneously reduce pollutants and CO2, heating and cooling energy consumption should be reduced. Geothermal energy is a clean, inexhaustible source of energy that is available all year round because it does not depend on the weather. Nevertheless, the use of tempered subsoil air has been used as a traditional air conditioning strategy; however, nowadays, its use has been questioned by the discovery of the leaks of radon gas from the ground. The investigation sear
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Тези доповідей конференцій з теми "Air conditioning chamber"

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Hamdan, Mohammad O., Ahmed Alawar, Emad Elnajjar, and Waseem Siddique. "Feasibility of Vortex Tube Air-Conditioning System." In ASME/JSME 2011 8th Thermal Engineering Joint Conference. ASMEDC, 2011. http://dx.doi.org/10.1115/ajtec2011-44393.

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This paper investigates the feasibility of using vortex tube as air-conditioning device. Series of experiments are conducted to evaluate the design parameters and calculate the performances of counter-flow Ranque–Hilsch vortex tube (RHVT). The study is conducted for different inlet pressures conditions, number of nozzle inlets, vortex chamber depth and thermal insulation condition. The vortex tube performance is investigated by measuring temperatures, pressures and mass flow rates for the inlet and hot/cold exits. It is found that vortex tube has very coefficient of performance which make it i
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Chen, Hua, and Qianqian Di. "Application of Water-Cooled Air-Conditioning for High-Rise Residential Buildings." In 2010 14th International Heat Transfer Conference. ASMEDC, 2010. http://dx.doi.org/10.1115/ihtc14-22127.

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To improve the applicability of water-cooled air-conditioners in the domestic sector, the development of a prediction model for energy performance analysis is needed. This paper addressed the development of an empirical model for predicting the operation performance and the annual energy consumption for the use of water-cooled air-conditioners. An experimental prototype was set up and tested in an environmental chamber in validating the empirical model. The predictions compared well with the experimental results. Furthermore, a high-rise residential building whole-year energy consumption simul
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Khalili, Kaveh, Chris Spangler, and Andrew Schultz. "High efficiency variable speed versatile power air conditioning system for military vehicles." In 2024 NDIA Michigan Chapter Ground Vehicle Systems Engineering and Technology Symposium. National Defense Industrial Association, 2024. http://dx.doi.org/10.4271/2024-01-3412.

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&lt;title&gt;ABSTRACT&lt;/title&gt; &lt;p&gt;Based on the foundation of thermal management system developed by Rocky Research and working closely with TARDEC personnel, this paper addresses design, development, and testing of two delivered environmental control prototypes to TARDEC. The delivered prototypes are electrically driven vapor compression systems enhanced with Rocky Research vector drive for speed control, use of Pulsing Thermal Expansion Valve (PTXV) for precise refrigerant control, and power electronic package capable of running efficiently from both AC and DC power sources seamles
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Mahderekal, Isaac Y., Robert G. Gaylord, Tommis Young, Kevin Hinderliter, and Ed Vineyard. "Design and Development of a Gas-Engine-Driven Heat Pump." In ASME 2008 2nd International Conference on Energy Sustainability collocated with the Heat Transfer, Fluids Engineering, and 3rd Energy Nanotechnology Conferences. ASMEDC, 2008. http://dx.doi.org/10.1115/es2008-54110.

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Анотація:
Improved air-conditioning technology has the greatest potential impact on the electric industry compared to any other technology that uses electricity particularly during summer peak electric demand. Gas engine-driven units can provide overall peak load reduction and electric grid relief for summer peak demand. Peak-load conditions can lead to high electricity prices, power quality problems, and grid system inefficiencies, and even failures. Improved air-conditioning technology thus has the greatest potential impact on the electric grid compared to other technologies that use electricity. Ther
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Chukanova, Ekaterina, Nikola Stosic, Ahmed Kovacevic, and Sham Rane. "Identification and Quantification of Start Up Process in Oil Flooded Screw Compressors." In ASME 2012 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 2012. http://dx.doi.org/10.1115/imece2012-86497.

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Анотація:
Oil injected screw compressors, used for air compression, refrigeration and air conditioning, are usually installed in simple packages which often do not include an oil pump to supply oil to the bearings and the working chamber, since the oil is pressurised, together with the gas being compressed, in the working chamber. Consequently, normal lubrication will only start when the back pressure reaches the chamber pressure,. Due to the lack of lubrication in this start up period, the rotors will be in direct contact with insufficient or no oil film between them, while the pressure in the compress
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NAKAZONO, Tohru, and Takeru OKABE. "36 Development of a High Performance Small Gas Engine for a Gas Engine Heat Pump." In Small Engine Technology Conference & Exposition. Society of Automotive Engineers of Japan, 2002. http://dx.doi.org/10.4271/2002-32-1805.

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&lt;div class="htmlview paragraph"&gt;GHP which, is the heat pump system for an air conditioning, is directly driven the compressor by a small gas engine. The NOx was reduced 70% less than a conventional gas engine with improvement of thermal efficiency. The combustion chamber shape using strong squish flow is improved in order that the pattern of a heat release is changed to be suitable.&lt;/div&gt; &lt;div class="htmlview paragraph"&gt;Because the relation between NOx and the thermal efficiency is the trade off relation, the air fuel ratio and the ignition timing must be precisely controlled
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Bhopte, Siddharth, Bahgat Sammakia, Madhusudan K. Iyengar, and Roger Schmidt. "Experimental Investigation of the Impact of Under Floor Blockages on Flow Distribution in a Data Center Cell." In ASME 2007 InterPACK Conference collocated with the ASME/JSME 2007 Thermal Engineering Heat Transfer Summer Conference. ASMEDC, 2007. http://dx.doi.org/10.1115/ipack2007-33540.

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Анотація:
Due to the increase in the rack power of computer equipment, in recent years, thermal management of data centers has become a challenging problem. Data center facilities with raised floor plenums are the most popular configuration from a ducting configuration perspective. The under floor plenum serves as a distribution chamber for the cooling air. Plenums are also used to route piping, conduits and cables that bring power, server network connections, and supply coolant to the air conditioning units. Computational modeling studies have shown that, these under floor blockages impede the flow of
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Flouros, Michael, Patrick Hendrick, Bilal Outirba, Francois Cottier, and Stephan Proestler. "Thermal and Flow Phenomena Associated With the Behavior of Brush Seals in Aero Engine Bearing Chambers." In ASME Turbo Expo 2014: Turbine Technical Conference and Exposition. American Society of Mechanical Engineers, 2014. http://dx.doi.org/10.1115/gt2014-25538.

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Due to the increasing fuel cost and environmental targets, the demand for more efficient gas turbines has risen considerably in the last decade. One of the most important systems in a gas turbine is the secondary air system which provides cooling air to the disks and to the blades. It also provides air for sealing of the bearing chambers. The amount of secondary air that is extracted from the compressor is a performance penalty for the engine. In aero engines, bearing chambers are in most cases sealed by the most traditional type of seal, the labyrinth seal. Bearing chambers contain the oil lu
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Flouros, Michael, Martin Stadlbauer, Francois Cottier, Stephan Proestler, and Stefan Beichl. "Transient Temperature Measurements in the Contact Zone Between Brush Seals of Kevlar and Metallic Type for Bearing Chamber Sealing Using a Pyrometric Technique." In ASME Turbo Expo 2012: Turbine Technical Conference and Exposition. American Society of Mechanical Engineers, 2012. http://dx.doi.org/10.1115/gt2012-68354.

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Анотація:
For the past 25 years brush seal technologies evolved into the aero engine designs and more general into the gas turbine world not only for sealing gas areas at different pressure levels but also for sealing gas/liquid environments. This is the case in an aero engine where the bearing chambers are sealed. Aero engine bearing chambers enclose oil lubricated components such bearings and gears. In order to avoid contamination of the turbo machinery through oil loss, air blown seals are used to retain the oil into the bearing chamber. Oil loss may cause coking or ignition with the probability of a
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Meena, Avadhesh Kumar, Kamal Kishore, Roopak Agarwal, and Paulson Parayil. "Improving Performance of Automotive Air Conditioning System at Vehicle Level by Optimizing the Refrigerant Quantity with Optimum Oil Quantity." In SAENIS TTTMS Thermal Management Systems Conference-2023. SAE International, 2023. http://dx.doi.org/10.4271/2023-28-0040.

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&lt;div class="section abstract"&gt;&lt;div class="htmlview paragraph"&gt;Compressor plays an important role in Automotive Air Conditioning (AC) System. It compresses the low pressure refrigerant and discharges the high pressure refrigerant vapour to condenser. Compressor performance mainly depends on two parameters, compressor oil and refrigerant gas charge quantity. Compressor oil is used to lubricate the movable parts in reciprocating compressors. Compressor oil is miscible in refrigerants in liquid state and amount of oil present in compressor increases the life of compressor. But, huge am
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