The system has the advantages of excellent practicability, rapidity, stability, reliability, operability and good security feature. [5] As the operating speed of compressors can be several thousand rpm, heat generated during compression cannot be sufficiently transmitted to the environment in such a short time. Apparatus Required : The test unit consisting of an air reservoir on air intake tank with an orifice and a U tube manometer , the compressor having pressure gauge , energy meter and stop watch . This compressor includes two sets of concentric annular fins with different diameters: the mobile fins are pushed into the space between the stationary fins through a driver shaft and compress the air trapped in the interconnecting annular chambers while keeping the air temperature close to ambient. 2 Reciprocating Compressors Legendary Performance For more than a century, Ingersoll Rand has inspired progress by driving innovation through revolutionary technology and talented people. [2] For the delivery pressures of 1 bar, 2 bar, 3 bar, 4 bar and 5 bar, the readings from the corresponding VDAS were recorded as shown in table 1 School of Energy and Power Engineering, Xi’an Jiaotong University, Xi’an, China See all articles by this author. TWO STAGE RECIPROCATING AIR COMPRESSOR TEST. :18bar) is tested in an anechoictest-ing room. PROCEDURE The compressor used in this experiment is an Integersol-Rand type 30 two-stage air compressor. [3] WEN Meichun: Piston Compressor Performance Test System, Compressor Technology, Vol. In the beginning of the experiment, air is drawn into the compressor through a filter and compressed in the first stage with a low pressure cylinder that reduce the volume and increase the temperature of the air. XIE Jinxian: Centrifugal compressor performance testing and calculation, Fan Technology. Mechanical Systems and Signal Processing 22 (2008) , pp.374-389. [1] A reciprocating compressor or piston compressor is a positive-displacement compressor that uses pistons driven by a crankshaft to deliver gases at high pressure.. The … Cussons P9050 Two Stage Reciprocating Air Compressor Test Set is constructed in two major assemblies- an instrumentation and a control console which straddles on a welded steel base-frame carrying the air compressor system. 36(2009) No. 6, pp.607-610. [9] Reciprocating compressor lab report Introduction A reciprocating compressor is a type of positive displacement compressor that uses pistons to compress air once it enters its cylinder till it reaches a given pressure and then released from the cylinder through a non-return valve. Plast1n1n, Dr. of Science, Professor in Compressor Engineering V.E. This much needed efficient compressor can only be achieved through a careful understanding of compressor processes such as but not limited to; thermodynamic work systems in relation to pressure volume characteristics, temperature pattern and associated heat transfer as well as flow resistance amongst other compressor parameters. A self-contained mobile two-stage reciprocating air compressor test set to allow investigations into the operation and performance of compressors with a single-stage, two stages and two stages with inter-cooling. For the delivery pressures of 1 bar, 2 bar, 3 bar, 4 bar and 5 bar, the readings from the corresponding VDAS were recorded as shown in table 1, A compressor uses a moving piston to compress a system of fixed mass of air to a point where a desirable system’s pressure is reached before letting air out through the air receiver. The compressor was set at a speed of 100 revolutions per minute with its delivery bulb open after which the corresponding load and power were recorded under no load situation. Main Component of Reciprocating Compressor 3 V. Operating Range of Reciprocating Compressor 4 VI. School of Energy and Power Engineering, Xi’an Jiaotong … The air then is compressed in the second stage with a … 297-308. 230-232. PART 2 Prev Next > EXPERIMENTS ON A TWO-STAGE AIR-COMPRESSOR. Purchase to download the entire high quality expert lab report below (9pages), Assessment 1- Part A- Case Study-1- Managing Growth…, PSY304 Human Associative Learning Lab report…, Lab report assessment guidelines  Description: The…, Step 1: Team allocation and initial assessment…, I have lab report answer questions Lab Report 5: The Passag, Environmental Crimes v. Traditional Crimes, Behavior of Different Logic Gates Lab Report, group assignment with an individual element. GB/T15487-1995, Compressor flow volume measurement. Also covers the fundamentals of heat engine theory. Vol. Gas Properties 14 … Yuefei Wang . In this laboratory work, the aim of the experiment was to ascertain the compressor performance over a fixed range of discharge all at a fixed temperature for the determination of mass flow rate, volume flow rate, mechanical and overall isothermal efficiency. Reciprocating Air Compressor is a positive displacement air compressor in which air is sucked in a chamber and compressed with the help of a reciprocating piston. Gas Compression 5 VII. 1 to 50 HP are typically for reciprocating units. : Date: Aim : To conduct performance test on a two stage reciprocating compressor and to determine the volumetric efficiency. Abstract: This study presents an accurate measurement method for measuring air pressure and temperature of air compressor when a reciprocating gas compressor performance. 1.Single Stage Reciprocating Air Compressor Test Rig. Engineering Failure Analysis, Engineering Failure Analysis 17 (2010) , pp.150-157. Expressions for the volumetric effectiveness, the work per unit mass and the indicated efficiency are derived. It is called as positive displacement compressor because air is first sucked in a chamber and then compression is achieved by decreasing area of the chamber. The compressor consists of a two-stage air intensifier with an air-cooling system as shown in Fig. This study presents an accurate measurement method for measuring air pressure and temperature of air compressor when a reciprocating gas compressor performance. Air is sucked from atmosphere and compressed in the first cylinder (Low pressure) and passed to the second cylinder (High pressure) Loading... Close. two stage reciprocating air compressor by providing water cooling source, radiator coolant and. The simple reciprocating air compressor has a piston which reciprocates inside the cylinder wall and cylinder head. The readings of the pressure and temperature are recorded after the constant pressure (5 bar) is achieved by adjusting the valve 8. Experimental Investigation on Reciprocating Air Compressor Performance. Article Preview. GB/T3853-1998, Acceptance test displacement compressor. Reciprocating Compressors and Its types This type of compressor uses piston-cylinder arrangement to compress the air.Whenever something moves back and forth … RECIPROCATING COMPRESSOR TABLE OF CONTENT I. It has high efficiency both at full and partial loads, but less positive aspects are that it is noisy and moreover, demands more space than other types of compressors. The crankshaft is mounted on the crank case. The design and main functions of the automatic acquisition and testing system for air compressor performance was introduced. Compressed air is stored in the air receiver. The P-V diagram is a plot of the pressure of the gas versus the volume of the gas trapped in … Cabakow, cand1date of Sc1ence THESIS The apparatus consists of a single stage Air Compressor which is driven by an induction motor. Measurement 41 (2008) , pp.835-841. Within a refrigerator, a compressor potentially increases the pressure and consequently increases the boiling point or saturation temperatures of the vapor to allow the refrigerant to condense by losing its heat to the condenser (AlThobiani & Ball, 2014). Experimental investigation of the fault diagnosis of typical faults in reciprocating compressor valves Show all authors. Delivery pressure gauge and … M. Elhaja, F. Gub, _, A.D. Ballb, A: Albarbar Numerical simulation and experimental study of a two-stage reciprocating compressor for condition monitoring. Experimental Investigation on Reciprocating Air... Advanced Materials Research Vols. Units and Symbols 2 III. Yuefei Wang 1. 188 (2004), pp.40-42. WANG Yong, ZHANG Jun, XU Jianjian: Design of Compressor Qual ity Test System Based on Personal Computer, Computer Automated Measurement & Control, Vol. The cylinder valves control the flow of air through the cylinder; these valves act as check valves. 2(a). A three-phase induction motor drives the compressor to run at a speed of 425 rpm . 2. A compressor using both sides of the piston is considered double acting. The test set is a complete and self-contained system requiring … It sucks air from inlet air tank through an orifice and air filter. The design and main functions of the automatic acquisition and testing system for air compressor performance was introduced. The noise produced by the electric motor which drives the compressor is reduced by a soundproof housing. Intercooler and Aftercooler 6 VIII. S. Sivaprasad, N. Narasaiah, S.K. The reciprocating air compressor is single acting when the compressing is accomplished using only one side of the piston. A compressor is a device that has a potential of converting power from a chemical energy into potential energy in the form of pressurized air mass that is normally applied in refrigeration purposes (Bin et al., 2013). As a result of energy and environmental concern, there is indeed a rising quest to make the compressor more efficient with regard to both mechanical efficiency, volumetric efficiency as well as the isothermal efficiency. Purpose 2 II. The values were then entered into a VDAS screen display. Oil pump and compressed air reservoir are sit-uated outside the anechoic room to prevent noise inter-ferences. [7] Size, Efficiency and Losses 11 Appendix B. According to the technology, it can be devided to single stage air compressors and two stage air compressors.A single-stage reciprocating piston compressor works by drawing the air into the cylinder where it is compressed in a single piston stroke of approximately 120 PSI and then sent to a storage tank. Compressors 100 hp and above are typically Rotary Screw or Centrifugal Compressors. The system can display, save and print performance curve, respectively. Scientific.Net is a registered brand of Trans Tech Publications Ltd Compressor Control 7 IX. 3. Air behaves like the ideal gas and follows the laws: Boyle’s law (PV=C) and Charles’s law (V/T = C). The piston is attached to the crankshaft with the help of a connecting rod and thus the rotation of the crankshaft causes the piston to move up and down inside the cylinder. ZHANG Minghui, YU Yuhe, ZHANG Xiaosen: Development of Reciprocating Compressor Performance Test System, Chemical Machinery, Vol. The area is decreased by a piston which does reciprocating motion. The piston compressor, also denoted reciprocating, is a displacement compressor type which consists of a moving piston which compresses the air. Single – Acting compressor Search Google Scholar for this author, Ang Gao 1. In this experiment, the air compressor used was two stage reciprocating piston type and the speed of the motor is adjusted from low flowrate from 885 to 1377 rotation per minute. Skip navigation Sign in. Air is usually compressed adiabatically in the compressor. Open PDF. Experimental investigation on performance of reciprocating air compressor by using nanoparticle in lubricating oil Omkar Chandrakant Nikam omkar.nikam77@gmail.com Government College of Engineering, Karad, Maharashtra Anil R. Acharya tpogcekarad@gmail.com Government College of Engineering, Karad, Maharashtra ABSTRACT Reciprocating compressors are positive displacement … Das: Investigation on the failure of air compressor. Ang Gao . During thermodynamic compression, the volume of the gas or fluid system changes from Initial volume Vi to a final volume Vi during which work done on the system by external force through the piston is given by….CONTINUED, IMPORTANT!! Yuan Mao Huang, Sheng An Yang: A measurement method for air pressures in compressor vane segments. [4] The values were then entered into a VDAS screen display. A reciprocating stroke compressor is a type of air compressor that compresses the air in a cylinder by transferring it upward at the top dead center (TDC) and the suction of the external air when moving it downward at the bottom dead center (BDC) of the cylinder, as illustrated in Fig. Unit Conversion 3 IV. 10 AWESOME GADGETS EVERY STUDENT SHOULD HAVE : 1. Calculation Formula 9 Appendix A. 2(2006), pp.6-8. A two-stage compressor includes an additional step where the air is compressed by a second, smaller … The system can give real-time process monitoring on test data and compile test reports of the reciprocating two stages compressor. Ray-Ban Unisex Sunglasses 2000 Rs : https://amzn.to/2mowCVZ 2. It then passes to through an intercooler to reduce the temperature in a constant pressure process by a counter current water flow heat exchanger. Search. A Broom–Wade (Model TS9) reciprocating air compressor was used for the simulation and experimental study. Minutes of the Proceedings of the Institution of Civil Engineers. The intake gas enters the suction manifold, then flows into the compression cylinder where it gets compressed by a piston driven in a reciprocating motion via a crankshaft, and is then discharged. The compressor was set at a speed of 100 revolutions per minute with its delivery bulb open after which the corresponding load and power were recorded under no load situation. Experimental Procedure. Scherba, Candidate of Sc1ence A.N. [6] EXPERIMENTS ON A TWO-STAGE AIR-COMPRESSOR. This video is unavailable. In this experiment, the Cussons P9050 Two Stage Reciprocating Air Compressor Test Set is used. How to calculate the volumetric efficiency of 2- stage reciprcating compressor? TWO STAGE RECIPROCATING AIR COMPRESSOR TEST. Volume 128 Issue 1897, 1897, pp. TEST ON RECIPROCATING AIR COMPRESSOR Ex No. Watch Queue Queue. https://doi.org/10.4028/www.scientific.net/AMR.230-232.1269. In a reciprocating compressor, a volume of air is drawn into a cylinder, it is trapped, and compressed by piston and then discharged into the discharge line. Read here to know about the basics of compressing air and appreciate the reason for air compressor following polytropic or isentropic compression instead of isothermal or adiabatic one. 9 ( 2001), pp.6-8. E-ISSN 1753-7843. AIR COMPRESSOR EXPERIMENT OBJECTIVE: Evaluate the performance of a typical two-stage air compressor. The two stage reciprocating compressor consists of a cylinder, piston, inlet and exit valves which is powered by a motor. It’s a legacy of creating new standards for how the world gets work done. 10 minutes), the following reading should be taken: 1. [8] A reciprocating compressor is a positive displacement machine in that a volume of gas is drawn into a compressor cylinder’s compression chamber where it is trapped, compressed and pushed out. It is for this reason that compressor efficiency is limited. © 2021 by Trans Tech Publications Ltd. All Rights Reserved, Multi-Discipline Knowledge Acquiring Model in Collaborative Design of Complicated Products Based on Polychromatic Sets, Mathematical Model for Multi-Component Forces and Torque Determination in Friction Stir Welding, The Study on the Optimal Design of the Toroidal Worm-Gearing, Carbon Fiber Mechanical Properties Analysis of Wood Composite Board Based on Finite Element Analysis, Experimental Investigation on Reciprocating Air Compressor Performance, The Self-Catalytic Role of Zirconium N-Propoxide in Sol-Gel Syntheses of ZrO, Innovative Design of Wrench Movement Scheme Based on Craft Movement Process, Linear Quadratic Gaussian Optimal Controlled Two-Stage Inverter for a High-Frequency AC Distribution Power System. The model is based on five main and four secondary dimensionless physically meaningful parameters. After the engine is running for a sufficient time (approx. A global model for the thermodynamic analysis of reciprocating compressors is presented. 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Single stage air compressor performance was introduced a VDAS screen display functions of the fault diagnosis of faults... Reduce the temperature in a constant pressure process by a piston which does reciprocating motion Jinxian: Centrifugal performance... A measurement method for measuring air pressure and temperature of air compressor performance ] Jinxian! And compressed air reservoir are sit-uated outside the anechoic room to prevent noise inter-ferences double acting anechoic room to noise! Tank through an orifice and air filter acquisition and testing system for air compressor which driven! Is reduced by a piston which compresses the air performance testing and calculation, Fan.! ] ZHANG Minghui, YU Yuhe, ZHANG Xiaosen: Development of reciprocating compressor performance the system can,.