Successfully reported this slideshow.
We use your LinkedIn profile and activity data to personalize ads and to show you more relevant ads. You can change your ad preferences anytime.
FINAL PRESENTATION ON
Study of Ultra Low Head Turbine
for Nepal
TEAMWORK

NISCHAL POKHAREL (26)
PRADEEP PARAJULI(30)
PRATIK KOIRALA(36)
REJIT DULAL(42)
ACKNOWLEDGEMENT
Project Supervisor
Prof. Dr.- Ing. Ramesh Kumar Maskey
Department of Civil and Geomatics Engineering

Proj...
PROJECT OVERVIEW
Background
 Objectives
 Literature review
 Ultra low head(ULH) turbine : Introduction
 Operation prin...
BACKGROUND
Introduction

Hydropower

Problems

Nepal is known to be top nation of the
world in terms of water resources.

...
CONTD…
Introdution
Insufficient
no. of
hydropower

Problems
Solutions

Topographicsal
condition(mostly
in hilly)

Few in T...
BACKGROUND
Introdution
Problems
Solutions

Increase in number of hydro
powers

Proper distribution of hydro
powers

Micro ...
OBJECTIVES
Design and the installations arrangement of the
ultra-low head turbine

Findings regarding the aesthetics of th...
LITERATURE REVIEW OF
NEPAL
PELTON
24%

KAPLAN
7%

0%

PELTON
FRANSIS 16%
69%

0%

Turbine type distribution in major hydro...
For more info . . .
List location or contact for specification (or other related documents)
Ultra low-head turbine
Head :
1m to 5 m

Applicable in
even natural
or man-made
rivers and
canals with
little or no
water ...
OPERATIONAL PRINCIPLE
Static pressure difference principle

Fig: static pressure difference in ultra low head turbine
CONTD …
Different form
conventional approach
Geometrically similar to
middleshot waterweel
• Difference lies in principle ...
CONTD..
 Force due to pressure difference

Counteracting force due to accleration
METHODOLOGY
WORKS ACCOMPLISHED
I. Visited to Rossi khola canal:


Rectangular with uniform cross section




Discharge calculation:...
CONTD.
II. First Model Preparation:


Model overview:





Cylindrical
Made up of wooden plank and tin

Model specific...
CONTD..


Testing of the model
o
o
o
o

Tested in Rossi Khola canal
Speed of 20 rpm in anticlockwise direction.
Not accor...
CONTD…

CONTD....

CONTD…..


Testing of the model
 To

be tested in canal nearby Fluid Mechanics
laboratory
 Design of the model and asse...


Fig: Design of the turbine and its assembly
Fig : Isometric view of the turbine (vertical)

Fig : Front view of the turbine
Fig : Isometric view of the turbine (inclined)




Totally new concept resulting in very
few reference material

Problem in understanding the operating
principle; fail...
EXPECTED WORK SCHEDULE
S.N

Activity

September October

1.

Literature review

2.

Proposal Submission and
proposal defen...
ACTUAL WORK SCHEDULE
S.N

Activity

September October

1.

Literature review

2.

Proposal Submission and
proposal defence...
CONCLUSION



Ultra-low head turbine works could be the icing on the cake
Hope to continue in this path for the detail d...
THANK
YOU
Ultra low head turbine for Nepal
Upcoming SlideShare
Loading in …5
×

Ultra low head turbine for Nepal

885 views

Published on

Ultra low head turbine is the turbine type that accommodate in the site having head less than 5 m and discharge of above 0.5 cubic meter per second.It works on the principle of static pressure differences and can be installed on the small riverlets, man made canals and Natural

Published in: Technology, Business
  • Be the first to comment

  • Be the first to like this

Ultra low head turbine for Nepal

  1. 1. FINAL PRESENTATION ON Study of Ultra Low Head Turbine for Nepal
  2. 2. TEAMWORK NISCHAL POKHAREL (26) PRADEEP PARAJULI(30) PRATIK KOIRALA(36) REJIT DULAL(42)
  3. 3. ACKNOWLEDGEMENT Project Supervisor Prof. Dr.- Ing. Ramesh Kumar Maskey Department of Civil and Geomatics Engineering Project co-supervisor Dr. Hari Prasad Neopane Associate Prof. & EnPe-MPPOES Department of Mechanical Engineering Project Co-ordinator Mr. Anup K.C. Department of Mechanical Engineering
  4. 4. PROJECT OVERVIEW Background  Objectives  Literature review  Ultra low head(ULH) turbine : Introduction  Operation principle  Methodology  Work accomplished  Problem faced  Conclusion 
  5. 5. BACKGROUND Introduction Hydropower Problems Nepal is known to be top nation of the world in terms of water resources. Solutions More than 6000 flowing rivers. Yet Energy Crisis
  6. 6. CONTD… Introdution Insufficient no. of hydropower Problems Solutions Topographicsal condition(mostly in hilly) Few in Terai High cost of installation of big hydropower
  7. 7. BACKGROUND Introdution Problems Solutions Increase in number of hydro powers Proper distribution of hydro powers Micro hydropower and ultralow head hydropowers
  8. 8. OBJECTIVES Design and the installations arrangement of the ultra-low head turbine Findings regarding the aesthetics of the ultra-low head turbine, its’ reliability, functionality and selection of sites and further proceedings. Investigate the existing hydropower and identify core issues for very low head hydropower
  9. 9. LITERATURE REVIEW OF NEPAL PELTON 24% KAPLAN 7% 0% PELTON FRANSIS 16% 69% 0% Turbine type distribution in major hydro powers constructed KAPLAN 26% FRANSIS 58% Turbine type distribution in hydro powers under construction The status of type of hydropower turbine distribution
  10. 10. For more info . . . List location or contact for specification (or other related documents)
  11. 11. Ultra low-head turbine Head : 1m to 5 m Applicable in even natural or man-made rivers and canals with little or no water storage capacity Static pressure difference principle
  12. 12. OPERATIONAL PRINCIPLE Static pressure difference principle Fig: static pressure difference in ultra low head turbine
  13. 13. CONTD … Different form conventional approach Geometrically similar to middleshot waterweel • Difference lies in principle . Velocity driven and pressure difference driven Velocity incensement unlink conventional
  14. 14. CONTD..  Force due to pressure difference Counteracting force due to accleration
  15. 15. METHODOLOGY
  16. 16. WORKS ACCOMPLISHED I. Visited to Rossi khola canal:  Rectangular with uniform cross section   Discharge calculation:        width 201.5 cm and depth 130.5 cm Floatation method Total distance travelled= 630.5cm = 6.305m Average time taken = 11.223 sec Surface velocity, Vsurface= 0.5618 m/sec Mean velocity= k*vsurface =0.74 * 0.5618= 0.4157m/sec Discharge obtained, Q=A * Vmean =1.093 m^3 /sec Discharge suitable for ultra low head turbine
  17. 17. CONTD. II. First Model Preparation:  Model overview:    Cylindrical Made up of wooden plank and tin Model specification:       Diameter of the faces= 24.5cm Length of the blades= 38cm Height of cylinder= 38cm (with faces of thickness 1cm each) Width of each blade= 3cm Acute angle made by a blade with the face is given by, Sinβ= (36/38) => β= 70º (approx.) *(The model is just to understand the “static pressure difference principle”)
  18. 18. CONTD..  Testing of the model o o o o Tested in Rossi Khola canal Speed of 20 rpm in anticlockwise direction. Not according to our operating principle. Reason for this deviation.
  19. 19. CONTD… 
  20. 20. CONTD.... 
  21. 21. CONTD…..  Testing of the model  To be tested in canal nearby Fluid Mechanics laboratory  Design of the model and assembly  Bearing and labyrinth used
  22. 22.  Fig: Design of the turbine and its assembly
  23. 23. Fig : Isometric view of the turbine (vertical) Fig : Front view of the turbine
  24. 24. Fig : Isometric view of the turbine (inclined)
  25. 25.   Totally new concept resulting in very few reference material Problem in understanding the operating principle; failure of our first model as per operating principle proves this
  26. 26. EXPECTED WORK SCHEDULE S.N Activity September October 1. Literature review 2. Proposal Submission and proposal defence 3. Site visit status analysis of Hydropower Progress report midterm presentation and 5. Site selection preliminary work design and for 6. Final Presentation November December Janaury
  27. 27. ACTUAL WORK SCHEDULE S.N Activity September October 1. Literature review 2. Proposal Submission and proposal defence 3. Study of lawn blades and site visit Model Preparation 5. Progress report midterm presentation 6. Testing of the model and design and new model preparation 7. Final Presentation and November December Janaury
  28. 28. CONCLUSION   Ultra-low head turbine works could be the icing on the cake Hope to continue in this path for the detail design and simulation of this ultra-low head turbine for economic and reliable hydro energy prospects
  29. 29. THANK YOU

×