accomplished. Akshat Yadav IV Year‚ Mechanical Engineering Table of Contents 1. Types of compressors 1.1 Centrifugal compressors 5 1.2 Diagonal or mixed-flow compressors 1.3 Axial-flow compressors 1.4 Reciprocating compressors 1.5 Rotary screw compressors 1.6 Rotary vane compressors 1.7 Scroll compressors 1.8 Diaphragm compressors 2. The “Emerging Technology in Centrifugal Compressor 3. Frictionless compressor 4. Mechanicalcomponents11 5. Advantages 6. Applications 7. References 24 25 26 10 9
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Introduction A gas compressor is a mechanical device that increases the pressure of a gas by reducing its volume. Compressors are similar to pumps: both increase the pressure on a fluid and both can transport the fluid through a pipe. As gases are compressible‚ the compressor also reduces the volume of a gas. Liquids are relatively incompressible‚ so the main action of a pump is to pressurize and transport liquids. Types of Compressors Centrifugal compressors Centrifugal compressors use a rotating disk
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products: Biomass wood pellet line‚ feed pellet production line‚ wood pellet mill(flat die low temperature pellet mill‚ ring die pressing pellet mill‚ roller pellet press‚ disc rotary granulator four series pelleting equipment;)‚feed pellet mill‚ griding equipment‚ crushing equipment‚ drying equipment(air flow dryer‚ rotary dryer‚)‚ cooler two series and other screening‚ conveying products and so on. All the products have got the ISO9001:9003 Certificate and CE Certificate with excellent quality and
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supplied by an engine-driven pump. Power steering amplifies and supplements the driver-applied torque at the steering wheel so that steering effort is reduced. The recent introduction of electric power steering in production vehicles eliminates the need for the hydraulic pump. Electric power steering is more efficient than conventional power steering‚ since the electric power steering motor only needs to provide assist when the steering wheel is turned‚ whereas the hydraulic pump must run constantly. The
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Author: A L Ling Pump Selection and Sizing (ENGINEERING DESIGN GUIDELINE) Checked by: Karl Kolmetz TABLE OF CONTENT INTRODUCTION Scope General Design Consideration Type of Pump Process Requirements Parameters 6 9 5 DEFINITIONS 11 NOMENCLATURE 13 THEORY A) Working Principle of Pump I) Centrifugal Pump Centrifugal Pump Impeller & Shaft (Rotating Component) Working Theory-Conversion of Kinetic Energy to Pressure Energy II) Positive Displacement Pump B) Pump Selection Industry
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water wheel..etc..) The hydraulic pump provides FLOW!!! NOT PRESSURE!!! Main relief valve is part of the power unit‚ causes system pressure and it’s a safety valve! The restriction of fluid produces PRESSURE!!! The reservoir is to hold the oil and to cool the oil down Hot oil Damage- compress 1% every 1000 lbs of oil! -Can break down/ no longer lubes - Can foam (ei: spongy brakes) Horizontal is for medium to large size power units‚ 3 hp and up Small pumps are less than 3 hp Identification
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200 to 5000 c. f. m. B) Rotary Air Compressor. In this type‚ air is compressed by two rotating or inter meshing rotors. According to the type of construction Rotary Compressor can be further classified as (a) Rotary Screw Compressor (b) Rotary Vane compressor. (a) Rotary Screw Compressor. Air is compressed between two rotating screw (male & female screw) and casing. The compression took place in gradually reducing space between these two parts. (b) Rotary Vane compressor. Air is compressed
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The invention of the internal combustion engine is most probably the result of the developments of several individuals. Around 1780‚ Dutch scientist Christiaan Huygens built an engine that used gunpowder as a fuel‚ but this engine was far too dangerous to be practical. His assistant‚ Denis Papin‚ also experimented with developing an internal combustion engine‚ building a simple steam-powered device around 1790. Again‚ this engine was not practical‚ and not until the early nineteenth century did the
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(Section 2.2.2) Non-ozone depleting refrigerants (Section 2.2.3) 2. Compressor development (Section 2.3): i. ii. iii. iv. v. vi. Low-speed steam engine driven compressors (Section 2.3.1) High-speed electric motor driven compressors (Section 2.3.1) Rotary vane and rolling piston compressors (Section 2.3.2) Screw compressors (Section 2.3.2) Scroll compressors (Section 2.3.2) Centrifugal compressors (Section 2.3.3) At the end of the lesson the student should be able to: i. ii. iii. iv. v. vi. vii. State
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Usually used for emergency stop without causing water hammer. Deflector 10 Crossflow Turbines 11 • Banki or Mitchell turbine. • Shaft oriented horizontally. • Rectangular nozzle forms the jet. • Water strikes the blades twice. • A control vane changes jet size. Crossflow Turbines
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