what is Darcy-weisbach formula & Chezy's formula to find the loss of energy due to friction ?

Asked by Last Modified  

2 Answers

Follow 0
Answer

Please enter your answer

The Eklavya Academy

4flv2/gdD
Comments
Dislike Bookmark

hf = f (L/D) x (v 2 /2g) where: hf = head loss (m) f = friction factor L = length of pipe work (m) d = inner diameter of pipe work (m) v = velocity of fluid (m/s) g = acceleration due to gravity (m/s²) Chezy’s Formula for Loss of Head due to Friction Consider uniform horizontal pipe as...
read more
hf = f (L/D) x (v 2 /2g) where: hf = head loss (m) f = friction factor L = length of pipe work (m) d = inner diameter of pipe work (m) v = velocity of fluid (m/s) g = acceleration due to gravity (m/s²) Chezy’s Formula for Loss of Head due to Friction Consider uniform horizontal pipe as shown in and Equation derived in Darcy-Weisbach equation. Where is, hf = f’/ ?. P/A X L V2 We know, hydraulic radius is the ratio of area of flow to wetted perimeter. It is denoted by ‘m’. m = A/P = ?/4d2 / ?d = d/4 P/A = 1/m put value of P/A in Equation, hf = f’/ ?. 1/m. L V2 V2 = hf. ?.m / f’.L V = ? ? / f'. hf / L. m Consider ? ? / f' = C i.e. Chezy’s constant and hf / L = I i.e. loss of head per unit length of pipe. Put the above value in Equation, V = C?m i This is known as Chezy’s formula. Relation between the freiction factor f and the chezy’s constant C: Head loss due to Darcy Equation, hf = fLV2/ 2gd From Chezy’s Equation, V = C?m i Where, m = d/4, I = hf/L put in Equation, V = C ?m i Squaring both side, V2 = C2 x d/4 x hf / L hf = 4V2L / C2d Equate Equation f LV2/2gd = 4V2L/C2d f = 8g / C2 This is the required relation between Darcy’s coefficient and Chezy’s Constant read less
Comments
Dislike Bookmark

Related Questions

''अनुक्तमप्यूहति " what is the meaning of this line ?
उदीरितोऽर्थः पशुनापि गृह्यते हयाश्च नागाश्च वहन्ति देशिताः ।अनुक्तमप्यूहति पण्डितो जनः परेङ्गितज्ञानफला हि बुद्धयः ॥ – हितोपदेश, सुहृद्भेदMeaning : That which is enunciated clearly, is grasped by...
Renu
What is capital of japan?
Its tokyo
Rahul
What is the SI unit to measure sound?
Sound is a phenomenon and it has no single unit. It carries various properties. It can be considered as a sound wave, which is described in terms of wavelength ( SI unit of wavelength is lambda). Similarly like frequency (heartz) , velocity (m/s)
Kishore
0 0
View Comments5
How was water supplied to the city of Thanjavur?
From well n tanks
Prateek
A bag contains 5 white and 3 black balls, and 4 balls are successively drawn out and not replaced. Find the probability that they are alternatively of different colors.
it can be in two ways-( white, black, white., black.) or ( black, white, black, white). in first case, the probability is=(5/8)X(3/7)X(4/6)X(2/5)=1/14. IN SECOND CASE, IT IS=(3/8)X(5/7)X(2/6)X(4/5)=1/14. SO THE PROBABILITY IS=(1/14)+1/14)=1/7
Kumar Upendra Akshay

Now ask question in any of the 1000+ Categories, and get Answers from Tutors and Trainers on UrbanPro.com

Ask a Question

Related Lessons

Class 8 / Maths / Chapter 5/Exercise 5.1 Q.2(3,4)

Divya R.

0 0
View Comments0
What Is The Difference Between Scope And Lifetime?
Scope of a variable is defined as the block of code from where we can refer or access it. On the other hand the life time of a variable is defined as the time in between allocating memory for it and relinquishing...

Shiladitya Munshi

1 0
View Comments0
Voltage and Current
Voltage is the difference in electrical potential between two points in space. It is a measure of the amount of energy gained or lost by moving a unit of positive charge from one point to another. Voltage...

Dawn Tutorials Engineering Coaching

0 0
View Comments0
Integration formula

Subhankar Mukherjee

0 0
View Comments0
Mechanical Designing, Is it all about knowing CAD ?
Whenever, I get chance to meet and interview any mechanical designer, I could see they will be more interested to showcase themselves knowing more about a different mechanical CAD software it could be...

Vaishnav Mithun

0 0
View Comments0

Recommended Articles

The Trend of E-learning and it’s Benefits

E-learning is not just about delivering lessons online. It has a much broader scope that goes beyond manual paper or PowerPoint Presentations. To understand the reach of E-learning and how the whole process works in developing the Educational system, we will discuss a few points here. Let us find out how this new learning...

Read full article >

Science, Arts Or Commerce - Which One To Go For?

Once over with the tenth board exams, a heavy percentage of students remain confused between the three academic streams they have to choose from - science, arts or commerce. Some are confident enough to take a call on this much in advance. But there is no worry if as a student you take time to make choice between - science,...

Read full article >

The Rising Problems in Indian Government School

With the mushrooming of international and private schools, it may seem that the education system of India is healthy. In reality, only 29% of children are sent to the private schools, while the remaining head for government or state funded education. So, to check the reality of Indian education system it is better to look...

Read full article >

6 Healthy Habits of School Children

While schools provide formal education to the children, the home is where they start learning about things informally. Parents think that schools will take the initiative to educate their children. Well, this is partially true, as parents also play an essential role in bringing up their child. For the development of particular...

Read full article >

Find Tuition near you
Tuition in Delhi
Tuition in Bangalore
Tuition in Hyderabad
Tuition in Kolkata
Tuition in Mumbai
Tuition in Chennai
Tuition in Pune
Tuition in Lucknow
Tuition in Noida
Tuition in Jaipur
Online Tuition Classes

Looking for Tuition ?

Learn from the Best Tutors on UrbanPro

Are you a Tutor or Training Institute?

Join UrbanPro Today to find students near you