Xem 1-18 trên 18 kết quả Engine compressors
  • Pipe stress analysis calculates the stress in a piping system subject to normal operating loads such as pressure, weight, and thermal expansion, and occasional loads such as wind, earthquake, and water hammer. Because all piping systems are connected to equipment such as vessels, tanks, pumps, turbines, and compressors, the piping stress analysis also involves evaluation of the effect of the piping forces and moments to the connecting equipment. As the piping stress is controlled by the arrangement of the supports and restraints, the scope of piping stress includes also pipe supports.

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  • Chapter 4 - Energy analysis of closed systems. The objectives of Chapter 4 are to: Examine the moving boundary work or P dV work commonly encountered in reciprocating devices such as automotive engines and compressors, identify the first law of thermodynamics as simply a statement of the conservation of energy principle for closed (fixed mass) systems, develop the general energy balance applied to closed systems,...

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  • Chapter 5 (Part 2) - Mass and energy analysis of control volumes. The objectives of this chapter are to: Solve energy balance problems for common steady-flow devices such as nozzles, compressors, turbines, throttling valves, mixers, heaters, and heat exchangers; apply the energy balance to general unsteady-flow processes with particular emphasis on the uniform-flow process as the model for commonly encountered charging and discharging processes.

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  • Chapter 7.2 - Entropy: A measure of disorder. The objectives of this chapter are to: Derive the reversible steady-flow work relations; develop the isentropic, or adiabatic, efficiencies of various steady-flow engineering devices and apply the definitions to turbines, compressors, and nozzles; introduce and apply the entropy balance to various systems.

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  • operates globally as a leading supplier of compressors and automated solutions to the refrigeration and air conditioning industry. The Danfoss product range is among the most complete in the world. It is used within a number of business areas, such as household-, commercial-, food retail and industrial refrigeration as well as air conditioning, products for the wholesale refrigeration market and automation in various specific industrial sectors.

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  • AIR AND GAS COMPRESSORS AND VACUUM SYSTEMS Estimating the Cost of Air Leaks in Compressed-Air Systems 9.1 Selecting an Air Motor for a Known Application 9.4 Air-Compressor Cooling-System Choice for Maximum Coolant Economy 9.10 Economics of Air-Compressor Inlet Location 9.14 Power Input Required by Centrifugal Compressor 9.16 Compressor Selection for CompressedAir Systems 9.18 Sizing Compressed-Air System Components 9.24 Compressed-Air Receiver Size and Pump-Up Time 9.26 Vacuum-System Pump-Down Time...

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  • REFRIGERATION Refrigeration Required to Cool an Occupied Building 12.1 Determining the Displacement of a Reciprocating Refrigeration Compressor 12.4 Heat-Recovery Water-Heating from Refrigeration Units 12.6 Computing Refrigerating Capacity Needed for Air-Conditioning Loads

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  • The term magnetic bearing refers to devices that provide stable suspension of a rotor. Because of the contact-less motion of the rotor, magnetic bearings offer many advantages for various applications. Commercial applications include compressors, centrifuges, high-speed turbines, energy-storage flywheels, high-precision machine tools, etc. Magnetic bearings are a typical mechatronic product. Thus, a great deal of knowledge is necessary for its design, construction and operation.

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  • Automotive engine The component of the motor vehicle that converts the chemical energy in fuel into mechanical energy for power. The automotive engine also drives the generator and various accessories, such as the air-conditioning compressor and power-steering pump. See also: Automotive climate control; Automotive electrical system; Automotive steering Early motor vehicles were powered by a variety of engines, including steam and gasoline, as well as by electric motors.

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  • In Chapters 10 and 11 we discussedtechniques for output-feedback control of nonlinear systems both via non-adaptive and adaptive methods. In this chapter we apply these techniques to three illustrative examples. In the first example we consider the problem of controlling stall and surge in a jet engine compressor and we seek to find a controller which only employs the measurement of the differential pressure acrossthe compressor to reject stall and surge while regulating the pressure at a desired value.

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  • Basic principles and objectives of supercharging Since the radial compressor will be discussed in detail in Chap. 5 in connection with exhaust gas turbocharging and as part of the exhaust gas turbocharger, at this point its function will only be addressed as the basis for its map characteristics. All flow compressors are based on the physical principle of the transformation of kinetic energy, which is supplied to the medium in the impeller, into a pressure rise via flow deceleration, partially in the impeller, partially in a diffuser.

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  • Handling Machining Assembly Organisation Pneumatics Electronics Mechanics Sensorics Software Hesse 99 Examples of Pneumatic Applications Chinese English French German Russian Spanish Blue Digest on Automation 053 714 . Blue Digest on Automation © 2001 by Festo AG & Co. Ruiter Strasse 82 D-73734 Esslingen Federal Republic of Germany Tel. 0711 347-0 Fax 0711 347-2155 All texts, representations, illustrations and drawings included in this book are the intellectual property of Festo AG & Co., and are protected by copyright law....

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  • Refinery Process Air Emissions The most significant air emission sources in oil refineries are catalytic or thermal cracking units, catalytic reformer units, sulfur recovery plants, storage vessels, fluid coking units wastewater streams, cooling towers, equipment leaks, blowdown systems, vacuum distillation units, steam boilers, process furnaces, process heaters, compressor engines, barge or ship loading and gasoline loading racks specifically located at petroleum refineries.

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  • Released Engineering Document Control ECO Add Exception button and Exception screen to Error Log screen. Add list of error codes. Add OVP kits & instructions. Add Software upgrade instructions. Add heliox Smart connector instructions. Add Compressor upgrade instructions.

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  • Source: HANDBOOK OF MECHANICAL ENGINEERING CALCULATIONS SECTION 12 REFRIGERATION Refrigeration Required to Cool an Occupied Building 12.1 Determining the Displacement of a Reciprocating Refrigeration Compressor 12.4 Heat-Recovery Water-Heating from Refrigeration Units 12.6 Computing Refrigerating Capacity Needed for Air-Conditioning Loads 12.12 Analysis of a Compound CompressionRefrigeration Plant with a WaterCooled Intercooler and Liquid Flash Cooler 12.47 Computation of Key Variables in a Compression Refrigeration Cycle with Both Water- and Flash-Intercooling 12.

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  • Source: HANDBOOK OF MECHANICAL ENGINEERING CALCULATIONS SECTION 9 AIR AND GAS COMPRESSORS AND VACUUM SYSTEMS Estimating the Cost of Air Leaks in Compressed-Air Systems 9.1 Selecting an Air Motor for a Known Application 9.4 Air-Compressor Cooling-System Choice for Maximum Coolant Economy 9.10 Economics of Air-Compressor Inlet Location 9.14 Power Input Required by Centrifugal Compressor 9.16 Compressor Selection for CompressedAir Systems 9.18 Sizing Compressed-Air System Components 9.24 Compressed-Air Receiver Size and Pump-Up Time 9.26 Vacuum-System Pump-Down Time 9.

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  • Another significant driver—in a world now more environmentall conscious than ever—is a global thrust to develop projects whic not only minimize GHG emissions but also help to displace GHG emissions from other industrial sources. Thus, one of the more significant advantages of gas-turbine and engine-based cogeneration is the potential for significant GHG reductions. Further, it is the monetization of GHG reductions and other poss financial incentives that are helping to encourage and facilitate development of cogeneration applications.

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  • Manufacturers of refrigeration condensing units will supply technical data for their products on demand, but this will be based on ideal operating condi- tions in controlled ambient temperatures. The service engineer or technician, dealing with many different types of equipment, needs a simple quick method to enable him to determine the theoretical operating head pressure of a plant so that this can be compared with the actual operating pressure to assist in fault diagnosis.

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