Major components of this rig were supplied by romac laboratory members, such as the single stage overhung centrifugal compressor by kobe steel, the magnetic bearings by revolve, and the motor rotor by skf. Performance measurements of a fullstage centrifugal. Man energy solutions offers various types of axial flow compressors to meet our customers specific needs in the air separation sector, the. Air compressor test rig foot mounted motor cylinder engine. A liquidvapour phase test rig to simulate the vapour compression refrigeration cycle of a domestic refrigeration system was required.
Temperatures and pressures were recorded at strategic points to acquire information on the characteristics of the test system. Pdf in this study, the design process of a new research test rig for centrifugal compressor stages is presented. Ultra high speed dynamometer, over 120,000 rpm test. Swri operates a compressor performance test rig for fastturnaround development testing of various centrifugal compressor stage configurations. Man energy solutions owns the leading position in the axial compressor market with more than references until today. In the past, oems relied on scaled model test vehicles or socalled singlestage test rigs sstrs to validate new stages or components.
Two measurements of the initial gage dimensions of the specimens were taken and averaged to obtain the dimensions that appear in table 2. Exporter of refrigeration air conditioning laboratory, ice plant test rig, vapor compression refrigeration test rig, air conditioner test rig, water cooling. Axial compressors have been built by man energy solutions since more than 80 years. Our solutions are market leading, and our technical achievements include. The outlet of the air compressor is connected to reservoir tank and suction is connected to another air tank with an orifice plate and a water manometer. To cover the losses additional air is provided through a separate electrically driven compressor station and fed into the turbine. This online pdf compressor allows to compress pdf files without degrading the resolution dpi, thus keeping your files printable and zoomable. Tip leakage flow visualization re sults were obtained in an axial flow compressor by phillips and head ref. Test runs of the transonic axial compressor test rig at the naval postgraduate school, turbopropulsion.
The first part i worked on was the inlet design of the test rig. Ultra high speed dynamometer test applications for 120,000 rpm or above is especially for high speed electric spindle, fuel cell air compressor or centrifugal hydrogen fuel cell compressor, electric supercharger, small turbo compressor, aviation turbocharger, ultra high speed electric drives and vacuum cleaner turbocharger. Retrofitting of refrigeration bench test rig replacing r12 refrigerant by r4a refrigerant. Research in internal and external aerodynamics for the next generation of eicient aircraft huu duc vo. The nps institutional archive theses and dissertations thesis collection 200006 transonic compressor test rig rebuild and initial results with the sanger stage. Ultra high speed dynamometer 120,000 rpm test dynoequip. First, the effect of erosion on compressor blades is presented. At the centrifugal compressor test rig, single fastrotating high loaded centrifugal compressors are investigated. Main outcome of the test was a general reduction of the force coefficients amplitude with the gvf and interestingly enough the stability prediction of a simple rotor was also evaluated showing that the gas content increase is causing. Uniaxial tension and compression testing of materials. Two stage reciprocating air compressor test rig, computerised single stage reciprocating air compressor test rig, manufacturer, exporter, supplier, sangli, india. A uniform flow has to enter the compressor in order to guarantee the correct inlet conditions to the compressor. Internal cooling of reciprocating compressor parts tu dresden.
Compressor test rig the institute of jet propulsion and turbomachinery is investigating the centrifugal stages of singleshaft, multistage compressors for industrial applications on one test rig. Controls the unit is supplied with pressure switch, suction filter safety valve, pressure gauge, water. Validate concepts in compressor aerodynamics at realistic speeds. Design and construction of a transonic testturbine facility. The first highpressure compressors for ammonia and urea plants. For the experimental study of compressor surge, the compressor surge test rig was commissioned by romac. A selfcontained mobile twostage reciprocating air compressor test set to allow investigations into the operation and performance of compressors with a singlestage, two stages and two stages with intercooling. During the internship i helped in several tasks of this project. The rotor is moved by a hydraulic shaker performing translatory movements. The most powerful compressors for offshore applications over. Air compressor test rig make labtek, origin india compressor two stage, twin cylinder air compressor 3 hp with a displacement capacity of about 300 lpm and to work against maximum pressure 12kgcm2 the unit is mounted on a storage tank. It is a spacing between the top of the piston and the valves heads when the piston is at the end of the delivery stroke. Manufacturer of a wide range of products which include refrigeration test rig, window air conditioner test rig, mechanical heat pump and water cooler trainer.
High response measurements downstream of axial compressor blade rows have been. Centrifugal compressor stage performance test rig swri. Conference paper pdf available january 2011 with 676 reads how we measure reads. Development and evaluation of an automotive airconditioning test rig article pdf available october 2016 with 2,518 reads how we measure reads. Compressor, shafts, multiplier parts of the full rotor dynamical model. Mechanically, the impeller is driven by two separately excited dc motors which are coupled by a gear box and a pneumatic coupling. P17453 dresserrand reciprocating compressor test rig ryan muchard mechanical engineer carvey yung mechanical engineer alex grassl mechanical engineer brandon chrysler mechanical engineer abstract the purpose of this project was to design a poppet valve testing bench rig that would imitate the compression. Home products two stage reciprocating air compressor test rig. Analysis of cycle compressor with clearance volume. Research in internal and external aerodynamics for the. The experimental refrigeration cycle test rig consist of a compressor unit, condenser, evaporator, cooling chamber, controlling devices and measuring instruments those are fitted on a stand and a control panel. Square tube frame further mounted on a wheels ci with instrumentation panel is used i to study the vapour compression cycle ii to calculate coefficient to performance cop iii to evaluate tonnage capacity iv to study humidification and dehumidification.
Pdf development and evaluation of an automotive air. The test rig has been developed and designed to allow actual industrial compressor surge testing. We design, manufacture, and service a complete range of centrifugal, axial and reciprocating compressors for all major compression applications. Mounting a second gear box and a second coupling on the other side of the motor, it is possible to drive two compressors on this test rig. By measuring the reaction forces the dynamic coefficients can be identified. Doc two stage air compressor stelio antonas academia. Uncertainty analysis of a testrig for centrifugal compressors. The test rig has the aim of testing the compressor in conditions as close as possible to the ones at which it performs in the microturbine framework. Highspeed test rig for the investigation of erosion.
The objective of the design and development of the rig is to. For the experimental investigation of axial machines the multistage 2shaft compressor test rig is available. Fundamentals of aircraft turbine engine control dr. Irrespective of the task on hand the departments main focus is. Air compressor test rig foot mounted motor free download as pdf file. Rac lab experiment mechanical engineering channel anuniverse 22 has started to stand on the shoulders of engineering giants and now, it is a place to hang out to learn the basics of mechanical.
Pdf a detailed description of a new centrifugal compressor surge test rig is presented. Two stage air compressor test rig consists of a double stage reciprocating type air compressor driven by 2 hp motor through a belt. Pdf development of a research test rig for advanced analyses. Single stage air compressor test rig consists of a single stage reciprocating type air compressor driven by a motor through a belt. The results provide an analysis of the operational and loss behavior and will be published in an open test case for validating numerical methods. This test rig allows the investigation of single stage. Inlet cfd simulations air is to be supplied from the facility to the compressor through a special designed inlet with a piping system attached. The test rig is a singlestage overhung centrifugal compressor, and the rotor is levitated on two radial active magnetic bearings ambs that allow it to rotate freely without any mechanical contact. Reciprocating compressor parts icrc is believed to meet all these requirements. Transonic compressor test rig rebuild and initial results. The tests will start at the beginning of 2017 and the test rig has now to be designed and build. Transonic axial compressor design case study and preparations for testing william d. The paper presents the first experimental performance data for a midstage centrifugal compressor test rig built at rwth aachen university. Two stage reciprocating air compressor test rig experiment.
Air condition test rig, air conditioning cycle test rig. Design and characterization of a centrifugal compressor. Compress pdf files for publishing on web pages, sharing in social networks or sending by email. We will introduce the topic of blade erosion in axial compressors and its testing in three steps. Effect of mass and inertia on maximum bearing load 94 62 2lbsec test rig static structure finite element model 96. The facilities are suitable for testing highlyinstrumented technology rigs as well as engine parts rigs to support engines in service. The samples were then placed between the compression anvils to commence uniaxial compression testing fig. In addition to measuring the compressor performance map, detailed flow field measurements are made in order. Unlike other services this tool doesnt change the dpi, thus keeping your documents printable and zoomable. Good quality machines has a clearance volume of about 6%.
Two stage air compressor test rig consists of a double stage. It comprises of measurement equipment and tested equipment. M2vp compressor test rig multistage 2 shaft compressor. Sanjay garg chief, controls and dynamics branch ph. Pdf design and characterization of a centrifugal compressor. This work is performed in a single stage test rig sstr, which consists of a 200 hp 150 kw electric motor with variable speed. Design, construction and commissioning of a transonic test.
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