This document summarizes the key components and operation of a gas turbine located at the Panipat Refinery. It includes 5 gas turbines made by BHEL/GE that are MS 6000 single shaft design units with a base load capacity of 30.77 MW each. The major components discussed include the compressor, combustors, turbine section, casings, bearings, and cooling/sealing systems. It also provides details on the basic principles of how a gas turbine works by continuously drawing in air, compressing it, adding fuel to increase its energy, directing the high pressure gas to expand through a turbine, and exhausting the low pressure gas.
For all the Gas Turbine lovers, the following presentation is aimed to cover the Major Inspection of the Gas Turbine (GE, Fr-9E). It is weaved with all of the major activities involved in MI, tools and tactics with addition of the reference values. Each activity is described with aid of pictures for detailed understanding.
For all the Gas Turbine lovers, the following presentation is aimed to cover the Major Inspection of the Gas Turbine (GE, Fr-9E). It is weaved with all of the major activities involved in MI, tools and tactics with addition of the reference values. Each activity is described with aid of pictures for detailed understanding.
Gas Turbine Theory - Principle of Operation and ConstructionSahyog Shishodia
This presentation tells all about basic principle behind Gas Turbine, their working, operation and construction. How they came into existence and where are they used.
Gas Turbine Theory - Principle of Operation and ConstructionSahyog Shishodia
This presentation tells all about basic principle behind Gas Turbine, their working, operation and construction. How they came into existence and where are they used.
Gas Turbines presentation on Types, Classification and governing EquationsHassan ElBanhawi
Based on my 8 years of experience in Oil & Gas industry I can claim that you can find here All what you need to know about Gas Turbines. This is an introduction to understand more about their:-
-Types
-Basic Principles and equations
-Components
-Worked Example
-Very useful tools
You can find also more at:
http://hassanelbanhawi.com/rotatingequipment/gasturbines/
All the data and the illustrative figures presented here can be found through two reference books:-
ENGINEERING DATA BOOK by Gas Processors Suppliers Association
Process Technology - Equipment and Systems by Charles E. Thomas
Thank you.
A gas turbine, also called a combustion turbine, is a type of internal combustion engine. It has an upstream rotating compressor coupled toa downstream turbine, and a combustion chamber in-between. Energy is added to the gas stream in the combustor, where fuel is mixed with air and ignited. In the high-pressure environment of the combustor, combustion of the fuel increases the temperature. The products of the combustion are forced into the turbine section
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A Case study of stirling engine that deals with some of its practical points instead of getting into complicated mathematics of its thermodynamic relations.
PERFORMANCE EVALUATION AND OPTIMIZATION OF AIR PREHEATER IN THERMAL POWER PLANTIAEME Publication
This paper presents a performance evaluation and optimization method of an air preheater based on routine
operation data measured onsite at LANCO-UPCL, Nagarjuna thermal power plant Padubidri, Karnataka, India. The work
focuses on the performance of Regenerative type air pre heater (model LAP 13494/2200). The performances were
evaluated before and after radial sector plate clearance adjustments with air preheater tests, and improvement is seen
along with air preheater optimization.
Hybrid optimization of pumped hydro system and solar- Engr. Abdul-Azeez.pdffxintegritypublishin
Advancements in technology unveil a myriad of electrical and electronic breakthroughs geared towards efficiently harnessing limited resources to meet human energy demands. The optimization of hybrid solar PV panels and pumped hydro energy supply systems plays a pivotal role in utilizing natural resources effectively. This initiative not only benefits humanity but also fosters environmental sustainability. The study investigated the design optimization of these hybrid systems, focusing on understanding solar radiation patterns, identifying geographical influences on solar radiation, formulating a mathematical model for system optimization, and determining the optimal configuration of PV panels and pumped hydro storage. Through a comparative analysis approach and eight weeks of data collection, the study addressed key research questions related to solar radiation patterns and optimal system design. The findings highlighted regions with heightened solar radiation levels, showcasing substantial potential for power generation and emphasizing the system's efficiency. Optimizing system design significantly boosted power generation, promoted renewable energy utilization, and enhanced energy storage capacity. The study underscored the benefits of optimizing hybrid solar PV panels and pumped hydro energy supply systems for sustainable energy usage. Optimizing the design of solar PV panels and pumped hydro energy supply systems as examined across diverse climatic conditions in a developing country, not only enhances power generation but also improves the integration of renewable energy sources and boosts energy storage capacities, particularly beneficial for less economically prosperous regions. Additionally, the study provides valuable insights for advancing energy research in economically viable areas. Recommendations included conducting site-specific assessments, utilizing advanced modeling tools, implementing regular maintenance protocols, and enhancing communication among system components.
Hierarchical Digital Twin of a Naval Power SystemKerry Sado
A hierarchical digital twin of a Naval DC power system has been developed and experimentally verified. Similar to other state-of-the-art digital twins, this technology creates a digital replica of the physical system executed in real-time or faster, which can modify hardware controls. However, its advantage stems from distributing computational efforts by utilizing a hierarchical structure composed of lower-level digital twin blocks and a higher-level system digital twin. Each digital twin block is associated with a physical subsystem of the hardware and communicates with a singular system digital twin, which creates a system-level response. By extracting information from each level of the hierarchy, power system controls of the hardware were reconfigured autonomously. This hierarchical digital twin development offers several advantages over other digital twins, particularly in the field of naval power systems. The hierarchical structure allows for greater computational efficiency and scalability while the ability to autonomously reconfigure hardware controls offers increased flexibility and responsiveness. The hierarchical decomposition and models utilized were well aligned with the physical twin, as indicated by the maximum deviations between the developed digital twin hierarchy and the hardware.
HEAP SORT ILLUSTRATED WITH HEAPIFY, BUILD HEAP FOR DYNAMIC ARRAYS.
Heap sort is a comparison-based sorting technique based on Binary Heap data structure. It is similar to the selection sort where we first find the minimum element and place the minimum element at the beginning. Repeat the same process for the remaining elements.
Literature Review Basics and Understanding Reference Management.pptxDr Ramhari Poudyal
Three-day training on academic research focuses on analytical tools at United Technical College, supported by the University Grant Commission, Nepal. 24-26 May 2024
An Approach to Detecting Writing Styles Based on Clustering Techniquesambekarshweta25
An Approach to Detecting Writing Styles Based on Clustering Techniques
Authors:
-Devkinandan Jagtap
-Shweta Ambekar
-Harshit Singh
-Nakul Sharma (Assistant Professor)
Institution:
VIIT Pune, India
Abstract:
This paper proposes a system to differentiate between human-generated and AI-generated texts using stylometric analysis. The system analyzes text files and classifies writing styles by employing various clustering algorithms, such as k-means, k-means++, hierarchical, and DBSCAN. The effectiveness of these algorithms is measured using silhouette scores. The system successfully identifies distinct writing styles within documents, demonstrating its potential for plagiarism detection.
Introduction:
Stylometry, the study of linguistic and structural features in texts, is used for tasks like plagiarism detection, genre separation, and author verification. This paper leverages stylometric analysis to identify different writing styles and improve plagiarism detection methods.
Methodology:
The system includes data collection, preprocessing, feature extraction, dimensional reduction, machine learning models for clustering, and performance comparison using silhouette scores. Feature extraction focuses on lexical features, vocabulary richness, and readability scores. The study uses a small dataset of texts from various authors and employs algorithms like k-means, k-means++, hierarchical clustering, and DBSCAN for clustering.
Results:
Experiments show that the system effectively identifies writing styles, with silhouette scores indicating reasonable to strong clustering when k=2. As the number of clusters increases, the silhouette scores decrease, indicating a drop in accuracy. K-means and k-means++ perform similarly, while hierarchical clustering is less optimized.
Conclusion and Future Work:
The system works well for distinguishing writing styles with two clusters but becomes less accurate as the number of clusters increases. Future research could focus on adding more parameters and optimizing the methodology to improve accuracy with higher cluster values. This system can enhance existing plagiarism detection tools, especially in academic settings.
Student information management system project report ii.pdfKamal Acharya
Our project explains about the student management. This project mainly explains the various actions related to student details. This project shows some ease in adding, editing and deleting the student details. It also provides a less time consuming process for viewing, adding, editing and deleting the marks of the students.
Water billing management system project report.pdfKamal Acharya
Our project entitled “Water Billing Management System” aims is to generate Water bill with all the charges and penalty. Manual system that is employed is extremely laborious and quite inadequate. It only makes the process more difficult and hard.
The aim of our project is to develop a system that is meant to partially computerize the work performed in the Water Board like generating monthly Water bill, record of consuming unit of water, store record of the customer and previous unpaid record.
We used HTML/PHP as front end and MYSQL as back end for developing our project. HTML is primarily a visual design environment. We can create a android application by designing the form and that make up the user interface. Adding android application code to the form and the objects such as buttons and text boxes on them and adding any required support code in additional modular.
MySQL is free open source database that facilitates the effective management of the databases by connecting them to the software. It is a stable ,reliable and the powerful solution with the advanced features and advantages which are as follows: Data Security.MySQL is free open source database that facilitates the effective management of the databases by connecting them to the software.
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We have compiled the most important slides from each speaker's presentation. This year’s compilation, available for free, captures the key insights and contributions shared during the DfMAy 2024 conference.
2. • First Indigenous Fighter Plane
• Turbofan GE F404-IN20
• Based on same basic principles
3. Panipat Refinery
• 5 GAS Turbines of 30.77 MW each
• 3 Steam Turbines of 25 MW each
• 2 feeders from HPGCL for emergency power
• 1 PNCP interconnecting Feeder of 50 MVA
capacity.
4. GAS TURBINE SUMMARY DATA :
• FRAME - 6
• MAKE – BHEL/GE
• TYPE - MS 6000, SINGLE SHAFT DESIGN
• BASE LOAD CAPACITY – 30.77 MW
• GENERATOR CAPACITY: 38.625 MVA
• FUEL – ( NAPHTHA,HSD & RLNG )
• RATED SPEED – 5133 RPM
• COMPRESSOR – AXIAL FLOW TYPE, 17 STAGES
• AIR HANDLING CAPACITY 400 T/HR , COMP RATIO 11:1
• TURBINE – 3 STAGES
7. Basic principle of Operation
A gas turbine operates by:
1. Continuously drawing in fresh air
- Point 1,
2. Compressing this air to a higher
pressure - Point 2
3. Adding and burning fuel in the
compressed air to increase its
energy level.
4. Directing the high pressure high
temperature air to an expansion
turbine -
Point 3 - that converts the gas
energy to the mechanical energy of
a rotating shaft.
5. The resulting low pressure, lower
temperature gases are discharged to
atmosphere or HRSG – Point 4
10. Major Components
• Air Inlet – filters and directs the air into to the compressor.
• Compressor – axial flow. Draws air in and compresses it to a higher
pressure and temperature. Consists of rotor assembly, stator casings,
rotating and stationary blades.
• Combustors – multiple combustion chambers where fuel and air are
mixed and burned to provide the heat energy to the turbine. Directs the
combustion gases to the
TURBINE SECTION
• Turbine – converts the hot gas kinetic energy into rotational shaft power.
• Exhaust – directs the high temperature, low pressure, gases to
atmosphere or to a
• heat recovery steam generator (HRSG)
• Auxiliary Support Systems: Controls, Lubrication Oil, Hydraulics, Cooling
and Sealing Air and others required for the operation, control and
protection of the turbine.
19. IGV
• IGV permits fast, smooth
acceleration of the turbine
without compressor surge.
• A hydraulic cylinder mounted
on a base cross member
actuates the IGV through a
large ring gear and multiple
small pinion gears.
• Gear & Rack Material: Stainless
steel
IGV Material: Cr-Ni-Cd ,C-450
20. Compressor
•Rotor - bolted design of individual stage wheels/disks and stub shafts as a
bolted assembly. Forward stub shaft contains the #1 bearing rotor journal,
thrust (bearing) collar and 60 tooth speed ring. Rotor blades attached via slots
in the outside diameter or each wheel.
• Inlet guide vanes – variable IGVs direct the air onto the first row of rotating
• Blades - Limit amount of entering air during startup and shutdown to prevent
surge/pulsations. Control air flow during turbine operation to help control
exhaust temperatures.
On startup & shutdown the VIGV’s are closed – 26 to 30 degree angle
when below approximately 80% speed.
Full Open position is typically 84 to 89 degree angle
21. Compressor
• Each rotating row of blades (airfoils)
increases the velocity of the incoming air
raising its kinetic energy. Attach to rotor
via dovetail fits.
• The stationary row of blades (vanes) act
as diffusers converting the kinetic energy
to a pressure increase and guides the air
onto the next stage of rotating blades.
Mounted to the casings inside diameter.
• Extraction ports for pulsation protection
with compressor bleed valves and for
cooling/sealing air supply.
22.
23. Combustion Section
• Combustion chambers.
• Fuel nozzles.
• Cross -fire tubes.
• Transition pieces.
• Combustion liners.
• Spark plugs (2 nos. at no.1&10)
• Flame detectors (4 nos at no 2,37&8)
25. Reverse Flow type Combustors
Air flow through the chambers is on the outside of the liners and is counter flow in
relation to the hot gas flow . Serves to cool the liners and transition pieces and
preheats the air to be used for combustion
26. Fuel Nozzles
• Serves to inject fuel, atomizing air and gas fuel
into each chamber. Fuel and air are mixed at
the fuel nozzle tip
27. Combustion liner
• located with each chamber. Contains the
combustion flame. Have cooling and
mixing holes to enhance the fuel
combustion reaction and to cool
(dilution air) the combustion gases prior
to entering the transition piece and
turbine section. Liners are cooled with
the compressor discharge air flowing on
the outside and for some designs the
inside diameter is cooled via slots in the
liner walls
• Material : Hastelloy X
28. • Crossfire tubes: Interconnect the individual chambers to facilitate
lighting of each chamber at initial ignition at 1 or 2 chambers.
• Flow Sleeve – located inside each chamber. The liners are located
inside the flow sleeves. Flow sleeves direct compressor discharge
air along the outside of the liners. Provides insulation barrier
between the liner and combustion chamber.
• Transition Piece and seals – directs the combustion gases from
the liner to the first stage turbine nozzle. Quantity – 1 per
chamber.
• Spark plug – igniters – quantity 2. Electric arc igniter used to
ignite the fuel at startup. Once flame is established these shut off.
Power supplied from igniter transformers at 15,000 to 20,000
volts. Need only 1 to light off (fire) the turbine.
• Flame detectors – UV. Detect the presence of flame in the
monitored chambers. Typically 4 are used per unit. Primary
function is for startup and shutdown to indicate flame. Also used
for flameout protection during full operation. Need at least 2 out
of 4 functional to operate the turbine.
31. Turbine Section-Hot Gas Path
• 3 stages of stationary nozzles and rotating
buckets.
• Buckets (Stage 1, 2, 3) – convert the high
velocity (kinetic) energy from the nozzles into
rotational mechanical shaft energy. Buckets are
attached to the turbine wheels via a dovetail (fir
tree) fit.
• Stationary Nozzles (Stage 1, 2, 3) – convert the
high pressure gases into high velocity (kinetic)
energy jets that impinge on the turbine buckets
36. Blade material
• Owing to high temp , The need for better materials spurred in
the field of alloys and manufacturing techniques, One of the
earliest of these was Nimonic ( 50% nickel and
20% chromium with additives such
as titanium and aluminium. )
• The development of superalloys in the 1940s and new
processing methods such as vacuum induction melting in the
1950s greatly increased the temperature capability of turbine
blades.
• Further processing methods like hot isostatic
pressing improved the alloys used for turbine bladoften
use nickel-based superalloys that
incorporate chromium, cobalt, and rheniumes and increased
turbine blade performance. Modern turbine blades.
37. • A major breakthrough was the development of directional
solidification (DS) and single crystal (SC) production methods.
These methods help greatly increase strength against fatigue
and creep by aligning grain boundaries in one direction (DS)
or by eliminating grain boundaries all together (SC).
• Another major improvement to turbine blade material
technology was the development of thermal barrier
coatings (TBC). Where DS and SC developments improved
creep and fatigue resistance, TBCs improved corrosion and
oxidation resistance, both of which become greater concerns
as temperatures increased.
38. • The first TBCs, applied in the 1970s, were aluminide coatings.
Improved ceramic coatings became available in the 1980s.
• Another strategy to improving turbine blades and increasing
their operating temperature, aside from better materials, is to
cool the blades. There are three main types of cooling used in
gas turbine blades; convection, film, and transpiration cooling.
While all three methods have their differences, they all work
by using cooler air (often bled from the compressor) to
remove heat from the turbine blades.
• The blades are coated with the TBC they will have, and then
cooling holes are machined as needed, which gives further
higher temperature sustenanace, thus creating a complete
turbine blade.
47. Cooling and Sealing Air
• Bearing cooling and sealing
• Cooling of internal turbine parts subjected to
high temprature.
• Cooling of turbine outer shell and exhaust
frame
• Pulsation protection
• Providing air supply for air operated valves
• Providing air for auxiliary requirements