fans pumps and steam turbines

Combined-Cycle Gas And Steam Turbine Power Plants

Combined-Cycle Gas And Steam Turbine Power Plants

... are made up of sever~l gas turbines and waste heat boilers that supply steam to a smgle steam turbine In the following, we generally speak only of one gas turbine and one waste heat boiler, but ... examples with live steam pressures of 15 and 60 bar (203 and 855 psig) respectively At the lower live steam pressure, there is more thermal energy available for evaporation and heating, since ... Output and Efficiency The effect of most parameters is similar to that for the simple single-pressure system (See Section 3.1.1) Live Steam Data The effects of live steam pressure and live steam

Ngày tải lên: 20/05/2018, 11:32

200 210 0
Marine Steam Turbines

Marine Steam Turbines

... at the steam inlet end of the rotor in Fig 37 The outer casing and inner casings are designed to be symmetrical top and bottom at each section Steam enters top and bottom and exhausts top and bottom, ... turbine, and in most modern marine steam turbines !hese blades arc tapered and twisted in section along their length The twist in the blades IS necessary to allow for the change in blade and steam ... clytrolytic treatment FIG 39.-Blohm and Voss tip-thimringon fixed and moving blades ' P, and t, are the steam inlet conditions, while Po and t 0 are the pressure and temperature behind the fully

Ngày tải lên: 24/05/2018, 22:53

74 215 0
Smart pumps and random safety audits in a Neonatal Intensive Care Unit: A new challenge for patient safety

Smart pumps and random safety audits in a Neonatal Intensive Care Unit: A new challenge for patient safety

... sessions and practical workshops on using the syringe pumps were given to all doctors and nurses in the Unit Furthermore, a detailed written protocol was prepared on programming and using these pumps, ... 10 beds and two small ones, one with beds and the other with beds – and two additional areas with 24 mediumcare cots The large area, NICU-A, is for full-term neonates, surgical problems and patients ... questionnaire and group meetings (doctors and nurses), a consensus was reached as to the resources and procedures apparently affected by protocol non-compliance A total of 23 technological devices and

Ngày tải lên: 27/02/2020, 13:29

10 25 0
HỆ THỐNG THỦY LỰC XE NORMET (hydraulic pumps and motors)

HỆ THỐNG THỦY LỰC XE NORMET (hydraulic pumps and motors)

... hydraulicItem Part No Description Standard designation Qty Units 56060110_1 Control 56060110_2 Shaft, auxiliary flange, and end cap 56060110_3 Housing, shaft seal, and special hardware 56060110_4 ... Description Standard designation Qty Units C 100012657 CONTROL KIT, LOAD SENSING 1 Trang 6Shaft, auxiliary flange and end capJ050 J010 J151J156J150 J155 Trang 7Shaft, auxiliary flange and end capItem ... packItem Part No Description Standard designation Qty Units 56060150_1 Control 56060150_2 Shaft, auxiliary flange, and end cap 56060150_3 Housing, shaft seal, and special hardware 56060150_4

Ngày tải lên: 22/03/2021, 14:24

21 30 0
combined cycle gas and steam turbine power plants third editio pdf

combined cycle gas and steam turbine power plants third editio pdf

... are made up of sever~l gas turbines and waste heat boilers that supply steam to a smgle steam turbine In the following, we generally speak only of one gas turbine and one waste heat boiler, but ... examples with live steam pressures of 15 and 60 bar (203 and 855 psig) respectively At the lower live steam pressure, there is more thermal energy available for evaporation and heating, since ... Live Steam Pressures of 15 and 60 bar (203 and 855 psig) Respectively www.EngineeringBooksPDF.com Trang 3048 COMBINED CYCLE GAS & STEAM TURBINE POWER PLANTS Fig 3-19: Effect of the Live Steam

Ngày tải lên: 18/10/2021, 06:57

200 8 0
A QUALITY MODEL FOR STEM AND STEAM SCHOOLS

A QUALITY MODEL FOR STEM AND STEAM SCHOOLS

... Essential Criteria for High Quality STEM and STEAM Implementation Domain I A Culture of Learning – Beliefs and Dispositions, Equity and Access STEM and STEAM Schools exhibit: 1 cultural strategies ... vision, and that supports innovative instruction Domain II Learning and Teaching STEM and STEAM Schools exhibit: 5 learning that prepares ALL students for college and careers in STEM, and that ... students and in rural and small districts Advocacy Leverage and enhance existing networks to increase awareness and participation in quality STEM opportunities for students, educators and families

Ngày tải lên: 02/05/2024, 00:50

22 4 0
BƠM, QUẠT, MÁY NÉN ( PUMPS, FANS AND COMPRESSORS )

BƠM, QUẠT, MÁY NÉN ( PUMPS, FANS AND COMPRESSORS )

... University of Technology Faculty of Mechanical Engineering Đề cương môn học Bơm, quạt, máy nén ( Pumps, Fans and Compressors ) Số tín chỉ 3 ETCS 2 Mã số môn học ME2121 Học kỳ áp dụng 20201 Số tiết / ... thuyết và thực hành Bơm – Quạt – Máy nén, Nhà xuất bản Đà Nẵng, 2005 [4] J B Rishel, HVAC pump handbook, McGraw-Hill, 2nd ed, 2006 Hiểu biết, kỹ năng, thái độ cần đạt được sau khi học môn học

Ngày tải lên: 10/03/2024, 23:32

14 1 0
Evaluation of heat pumps usage and energy savings in residential buildings

Evaluation of heat pumps usage and energy savings in residential buildings

... factors and parameters (economics, social and institutional) that affect consumer behavior in relation to end use energy demand and consumption, the economic rationality in energy use and the ... and 205 m2) and large size (more than 205 m2) As shown in Figure 2, the percentages of the house sizes in the test group are 54%, 40%, and 6 % for large, medium and small homes respectively and ... with heat pumps The energy consumptions for homes with gas and homes with a combination method of heating are 1.9 and 1.6 times the consumption of house with heat pumps To further understand the

Ngày tải lên: 05/09/2013, 16:10

10 468 0
Optimal placement of horizontal - and vertical - axis wind turbines in a wind farm for maximum power generation using a genetic algorithm

Optimal placement of horizontal - and vertical - axis wind turbines in a wind farm for maximum power generation using a genetic algorithm

... wind direction and the speed, and turbine size The optimization strategy requires the models for the wake and investment cost for the turbines (which depends on the number of turbines and their size) ... optimal placement of turbines to maximize the generated wind power while limiting the number of turbines installed and the acreage of land occupied The optimal spacing between the turbines in general ... G., Li X and Zhang X Optimal Micro-Siting of Wind Turbines by Genetic Algorithms Based on Improved Wind and Turbine Models Proc of Joint 48th IEEE Conference on Decision and Control and 28th

Ngày tải lên: 05/09/2013, 17:03

12 636 1
Tài liệu OCEAN STEAM NAVIGATION AND THE OCEAN POST. docx

Tài liệu OCEAN STEAM NAVIGATION AND THE OCEAN POST. docx

... SYDNEY, AND NEW SOUTH WALES ALSO IN 1852, AND ABANDONED: INVESTIGATION OF 1851 AND 1853, AND NEW AUSTRALIAN CONTRACT IN 1856: HALIFAX, NEWFOUNDLAND, BERMUDA, AND ST THOMAS IN 1850: NEW-YORK AND ... thence by land to the Red Sea, and thence to China and the East-Indies; or from England by her steam lines around the Cape of Good Hope to Australia and the East-Indies; or by slow and uncertain ... inquiry to South-America, and China, and India, and see how enormous and useless a waste of money and interest is incurred in the many millions which by sailing vessels and slow steamers is fruitlessly

Ngày tải lên: 17/02/2014, 02:20

242 309 0
Báo cáo Y học: Inhibition of the SERCA Ca21 pumps by curcumin Curcumin putatively stabilizes the interaction between the nucleotide-binding and phosphorylation domains in the absence of ATP pot

Báo cáo Y học: Inhibition of the SERCA Ca21 pumps by curcumin Curcumin putatively stabilizes the interaction between the nucleotide-binding and phosphorylation domains in the absence of ATP pot

... activities (X) and Ca 2þ uptake (B)in a variety of microsomes are presented: (A) and (B), skeletal muscle SR; (C) and (D), cardiac SR; (E) and (F), platelet microsomes; and (G) and (H), cerebellar ... ATPase and interpreted using Langmuir isotherms. Binding can be described by the following equation: ½Eþ½L$½EL Where [E] and [L] are the concentrations of free sites and ligands, respectively, and ... acid, 0.25% (w/v) copper sulfate, and 0.2 M sodium acetate. Two- hundred and fifty microliters of 5% (w/v) ammonium molybdate was then added and mixed thoroughly and 0.25 mL of ELAN solution was

Ngày tải lên: 08/03/2014, 23:20

10 595 0
Báo cáo khoa học: Multidrug efflux pumps: drug binding – gates or cavity? Emily Crowley and Richard Callaghan pdf

Báo cáo khoa học: Multidrug efflux pumps: drug binding – gates or cavity? Emily Crowley and Richard Callaghan pdf

... cytotoxicity and photolabelling Result: Mutations in TM9 produce a distinct resistance pattern similar to TM6 TM9 and TM6 may co-operate in IAAP labelling 2005 [8] Ligand: [ 3 H]propafenone and analogues ... barrier and excretory tissues, thereby regulating or impacting on drug pharmacokinetic profiles Given these prominent roles in health and disease, a great deal of biochem-ical, structural and pharmacological ... compounds leads to trans-port and the stimulation of hydrolysis, whereas others are not transported and cause potent inhibition of ATPase activity Elucidating the location and biophysi-cal properties

Ngày tải lên: 22/03/2014, 21:20

10 182 0
Báo cáo Y học: Inhibition of SERCA Ca2+ pumps by 2-aminoethoxydiphenyl borate (2-APB) 2-APB reduces both Ca2+ binding and phosphoryl transfer from ATP, by interfering with the pathway leading to the Ca2+-binding sites ppt

Báo cáo Y học: Inhibition of SERCA Ca2+ pumps by 2-aminoethoxydiphenyl borate (2-APB) 2-APB reduces both Ca2+ binding and phosphoryl transfer from ATP, by interfering with the pathway leading to the Ca2+-binding sites ppt

... catalytic and regulatory sites were unchanged (i.e 9.4 ± 2.8 and 1.3 ± 0.5 mM, respec-tively) The Vmax values, however, were reduced The catalytic and regulatory Vmaxvalues were 2.5 ± 0.1 and 5.4 ... detail and highlights the amino acids Tyr837, Phe834, Phe256 and Asn768 One potential site is located between the top of trans-membrane helix M7 and the middle of M3, with amino acids on M5 and ... (L6–7) and regions of M3 as the Ca2+entry pathway/gateway [20,21] Here, we present data to show that 2-APB can inhibit the SERCA Ca2+pumps by reducing both the affinity of Ca2+ binding and phosphoryl

Ngày tải lên: 31/03/2014, 23:20

10 414 0
Steam System Opportunity Assessment for the Pulp and Paper, Chemical Manufacturing, and Petroleum Refining Industries pptx

Steam System Opportunity Assessment for the Pulp and Paper, Chemical Manufacturing, and Petroleum Refining Industries pptx

... Petroleum, and Steel BestPractices efforts cover motor-driven systems, such as pumps and fans, compressed air, steam, and process heating systems The overall goal of the BestPractices Steam effort ... Figures and Tables vii Abstract xi 1 Executive Summary 1 2 Steam Generation in the Pulp and Paper, Chemical Manufacturing, and Petroleum Refining Industries 11 3 Steam Use in the Pulp and ... utilize steam This Executive Summary presents and discusses the major results from this study ES.2 Steam Generation in the Pulp and Paper, Chemical Manufacturing, and Petroleum Refining Industries Steam

Ngày tải lên: 01/04/2014, 00:20

102 717 1
small wind turbines [electronic resource] analysis, design, and application

small wind turbines [electronic resource] analysis, design, and application

... (Chaps 5 and 7) and starting performance, Chaps 6 and 7 Small blade manufacture and testing is covered in Chap 7 1.3 Wind Turbine Noise In siting a wind turbine, the first and often ... m long and weigh over 20 tonnes The small wind turbines in Fig 1.2 have between two and seven blades The choice of blade number is a recurrent theme of this book and is... and permanent ... [2] and Bianchi et al [3] DFIGs require a gearbox and are rarely used on small turbines, but PMGs do not They and the less-used induction generators (IGs) are described in Sect 1.8 and

Ngày tải lên: 31/05/2014, 02:01

280 738 0
engineering - pumps & hydraulic turbines

engineering - pumps & hydraulic turbines

... 1SECTION 12Pumps & Hydraulic Turbines Pumps The most common types of pumps used in gas processing plants are centrifugal and positive displacement Occasionally regenerative turbine pumps, axial-flow ... "i" and "o" are used for variables at pumps and HPRTs inlet and outlet nozzles, respectively, while the sub-scripts "s" and "d" are used only for variables at pumps ... and size of inlet and outlet nozzles are the same, the equipment total head (H) equals the difference of pressure heads H is positive for pumps and negative for HPRTs When using any suction-and-discharge-system

Ngày tải lên: 12/06/2014, 16:47

20 261 0
Optimum sizing of steam turbines for concentrated solar power plants

Optimum sizing of steam turbines for concentrated solar power plants

... 50MWe and then remains constant at 140bar The steam inlet temperature of the turbine is constant at 540°C for all the examined types and sizes of steam turbines Furthermore, the inlet steam flow ... the Steam Pro software module of the Thermoflow Suite 18 package [1] is used The investigation covers all three major types of steam turbines, that is, condensing, back-pressure and extraction turbines, ... 300oC and 400oC After circulating through the receivers the oil is passed through a heat exchanger where the heat it contains is extracted to raise steam in a separate sealed system and the steam...

Ngày tải lên: 05/09/2013, 14:59

10 499 0
STEAM TURBINES

STEAM TURBINES

... operating conditions and geometry The corresponding choking velocity (acoustic velocity in the superheated steam region) is shown in Figs 58.16 and 58.17 for superheated steam and wet steam, respectively ... useful characteristic of steam is the product of pressure and specific volume plotted versus enthalpy in Figs 58.18 and 58.19 for low-temperature/wet steam and superheated steam, ^ = ™ ,BTU/LB-R ... of air and a significant amount of steam (significant implies greater than 2-4%) Not to limit the application to air and steam, the working fluid could be the products of combustion and steam, ...

Ngày tải lên: 25/10/2013, 13:15

35 376 2
Turbine governing steam turbines

Turbine governing steam turbines

... regulate the steam control valve position and hence load generated  To control the initial run up and synchronization of the machine  To assist in matching the power generated to that demanded by ... OIL RESETS STOP VALVES (ESVs AND Ivs) PILOT VALVE(STARTING DEVICE) POSITION RAISED   START-UP OIL AND AUXILIARY START-UP OIL CIRCUITS ARE DRAINED ESVS OPEN AT 42% AND IVS OPEN AT 56% POSITIONS ... The control valve opening depends on secondary oil pressure and there is a definite relationship between the opening of HP control valve and IP control valve Between 40 to 200MW the turbine load...

Ngày tải lên: 03/01/2014, 19:50

62 470 1
Tài liệu iPounder’s Marine Diesel Engines and Gas Turbines Eighth edition docx

Tài liệu iPounder’s Marine Diesel Engines and Gas Turbines Eighth edition docx

... Printed and bound in Great Britain v Contents Preface vii Introduction ix Theory and general principles Gas-diesel and dual-fuel engines Exhaust emissions and control Fuels and lubes: chemistry and ... circle diameters of the input and output gears are respectively = 14 POUNDER’S MARINE DIESEL ENGINES AND GAS TURBINES d1 and d and the speeds of the two shafts are n1 and n2, the circumferential ... emissions reduction and automation systems—which are driven by: ship designer demands for more compactness and lower weight; shipowner demands for higher reliability, serviceability and overall operational...

Ngày tải lên: 13/02/2014, 16:20

914 647 1
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