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...Glossary:Adiabatic In the context of processes, ...adiabatic is a process without exchange of heat with the surroundings...
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...In the context of processes, adiabatic is a process without exchange of heat with the surroundings...
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... a description of the different classifications and types of compressors available to the industry. Adiabatic and polytropic compression theory are discussed with supporting definition of terminology. Content...cement compressors * 3.2 Dynamic or kinetic compressors * 4 Compression theory * 4.1 Isentropic (adiabatic) compression * 4.2 Polytropic compression * 4.3 Head * 4.3.1 Isentropic (...adiabatic) head * 4.3.2 Polytropic head * 4.4 ...
This page provides an overview of the primary categories of natural gas compressor services and a description of the different classifications and types of compressors available to the industry. Adiabatic and polytropic compression theory are discussed with supporting definition of terminology. Actual inlet volume flow * 4.8 Compression ratio * 4.9 Intercooling * 4.10 Power requirement * 4.11 Compressor selection * 4.12 Number of stages of compression * 5 Nomenclature * 6 References * 7 Noteworthy papers in OnePetro * 8 External links * 9 See also Major components and construction features of centrifugal and reciprocating compressors are emphasized. Installation, safety, and maintenance considerations also are discussed in their erspective pages. Compressors used in the oil and gas industry are divided into six groups according to their intended service.
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...on for real gasses * 3 Oil * 3.1 Velocity * 3.2 Density * 3.3 Isothermal compressibility * 3.4 Adiabatic bulk moduli * 3.5 General relationship of oil velocity * 3.6 Gas/oil ratio * 4 Brines * 4.1 The...eat capacity at constant volume. In most solid materials, the difference between the isothermal and adiabatic compressibilities is negligible. However, in fluid phases, particularly gases, the isothermal compr...essibility can be twice the adiabatic value. The second, more obvious factor stems from the inadequacies of the ideal gas law ('Eq. 1). ...
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... a description of the different classifications and types of compressors available to the industry. Adiabatic and polytropic compression theory are discussed with supporting definition of terminology. Specific...ession theory include power requirement, isentropic exponent, compressibility factor, intercooling, adiabatic and polytropic efficiency, actual and standard volume flow rates, mass flow rates, inlet and discha...rge pressures, inlet and discharge temperatures, and adiabatic and polytropic head. Major components and construction features of centrifugal and reciprocating co...
This chapter provides an overview of the primary categories of natural gas compressor services and a description of the different classifications and types of compressors available to the industry. Adiabatic and polytropic compression theory are discussed with supporting definition of terminology. Specific topics relating to compression theory include power requirement, isentropic exponent, compressibility factor, intercooling, adiabatic and polytropic efficiency, actual and standard volume flow rates, mass flow rates, inlet and discharge pressures, inlet and discharge temperatures, and adiabatic and polytropic head. Major components and construction features of centrifugal and reciprocating compressors are emphasized. Installation, safety, and maintenance considerations also are discussed. For centrifugal compressors, the performance characteristic curve is presented with emphasis on process control of capacity by speed variation, suction throttling, or variable inlet guide vanes. Process control to avoid operation in a damaging surge condition is also addressed. The discussion on reciprocating compressors includes a description of process configuration for multistage units, as well as an explanation of the concepts of speed control, inlet throttling, recycling, pressure relief, blowdown, and distance piece venting and draining. Compressors used in the oil and gas industry are divided into six groups according to their intended service. These are flash gas compressors, gas lift compressors, reinjection compressors, booster compressors, vapor-recovery compressors, and casinghead compressors. Flash gas compressors are used in oil handling facilities to compress gas that is "flashed" from a hydrocarbon liquid when the liquid flows from a higher pressure to a lower pressure separator. Flash gas compressors typically handle low flow rates and produce high compression ratios.
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... a description of the different classifications and types of compressors available to the industry. Adiabatic and polytropic compression theory are discussed with supporting definition of terminology. Specific...ession theory include power requirement, isentropic exponent, compressibility factor, intercooling, adiabatic and polytropic efficiency, actual and standard volume flow rates, mass flow rates, inlet and discha...rge pressures, inlet and discharge temperatures, and adiabatic and polytropic head. Major components and construction features of centrifugal and reciprocating co...
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... in gas dynamics. Gas dynamic analytic solutions are available for two cases of flow with friction: adiabatic and isothermal flow. Neither case is exactly what we need for these calculations, but the reader is...re within the nozzle before the integral can be evaluated. A typical assumption is that the flow is adiabatic (i.e., negligible heat transfer takes place in the nozzle). For our purposes, ...adiabatic is equivalent to isentropic, and entropy functions are available for many fluid models. For isentro...
The three primary functions of a drilling fluid depend on the flow of drilling fluids and the pressures associated with that flow. These functions includes: The transport of cuttings out of the wellbore, prevention of fluid influx, and the maintenance of wellbore stability. If the wellbore pressure exceeds the fracture pressure, fluids will be lost to the formation. If the wellbore pressure falls below the pore pressure, fluids will flow into the wellbore, perhaps causing a blowout. It is clear that accurate wellbore pressure prediction is necessary. To properly engineer a drilling fluid system, it is necessary to be able to predict pressures and flows of fluids in the wellbore.
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... in gas dynamics. Gas dynamic analytic solutions are available for two cases of flow with friction: adiabatic and isothermal flow. Neither case is exactly what we need for these calculations, but the reader is...re within the nozzle before the integral can be evaluated. A typical assumption is that the flow is adiabatic (i.e., negligible heat transfer takes place in the nozzle). For our purposes, ...adiabatic is equivalent to isentropic, and entropy functions are available for many fluid models. For isentro...
The three primary functions of a drilling fluid depend on the flow of drilling fluids and the pressures associated with that flow. These functions includes: The transport of cuttings out of the wellbore, prevention of fluid influx, and the maintenance of wellbore stability. If the wellbore pressure exceeds the fracture pressure, fluids will be lost to the formation. If the wellbore pressure falls below the pore pressure, fluids will flow into the wellbore, perhaps causing a blowout. It is clear that accurate wellbore pressure prediction is necessary. To properly engineer a drilling fluid system, it is necessary to be able to predict pressures and flows of fluids in the wellbore.
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... * Glossary:Adaptor * Glossary:Adaptor spool * Glossary:Additive * Glossary:Adhesion * Glossary:Adiabatic * Glossary:Adjustable choke * Glossary:Admissibility * Glossary:ADP * Glossary:Adsorption * Gl...
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...he "open" Brayton cycle is the thermodynamic cycle for all gas turbines. This cycle consists of: * Adiabatic compression * Constant pressure heating * ...Adiabatic expansion The gas turbine is made up of the following components: * An air compressor * A combus...
Gas turbines range in size from microturbines at 50 hp (37.3 kW) to large industrial turbines of 250,000 hp (190 kW). This page focuses on the gas turbine engine, the differences between types of turbines, and items to consider when they are applied as theprime mover. Degree of packaging * 4 Exhaust emissions * 4.1 Oxides of nitrogen (NOx) * 4.2 Carbon monoxide (CO) * 4.3 Unburned hydrocarbons (UHC) * 4.4 Particulates * 4.5 Sulfur dioxide (SO2) * 5 Emission control * 6 Exhaust heat * 7 References * 8 Noteworthy papers in OnePetro * 9 External links * 10 See also As shown in Figure 1 and Figure 1, the "open" Brayton cycle is the thermodynamic cycle for all gas turbines. Air enters the compressor inlet at ambient conditions (Point 1), is compressed (Point 2), and passes through the combustion system, where it is combined with fuel and "fired" to the maximum cycle temperature (Point 3). The heated air is expanded through the gas producer turbine section (between Points 3 and 5), where the energy of the working fluid is extracted to generate power for driving the compressor, and expanded through the power turbine to drive the load (Point 7).
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