Proell Governor
To visualize the working and effect of speed change of proell governor through simulation.
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Lab Manual | Watt and Porter Governor
AIM :-To perform experiment on Watt and Porter Governors to prepare performance characteristic Curves, and to find stability & sensitivity.
APPARATUS USED:- Watt and Porter Governors.
INTRODUCTION & THEORY :- The function of a governor is to regulate the mean speed of an engine, when there are variations in the load e.g. when the load on an engine increases, its speed decreases, therefore it becomes necessary to increase the supply of working fluid. When the load on the engine decreases, its speed increases and thus less working fluid is required. The governor automatically controls the supply of working fluid to the engine with the varying load conditions and keeps the mean speed within certain limits.
The governors may, broadly, be classified as
- Centrifugal governor
- Inertia governor
The centrifugal governors, may further be classified as follows :
1. Pendulum type (Watt governor )
2. Loaded type
(i) Dead weight governor (Porter governor and Proell governor)
(ii) Spring controlled governors (Hartnell governor, Hartung governor, Wilson-Hartnell governor and Pickering governor)
Watt Governor :- The simplest form of a centrifugal governor is a Watt governor. It is basically a conical pendulum with links attached to a sleeve of negligible mass. The arms of the governor may be connected to the spindle in the following three ways :
- The pivot P, may be on the spindle axis.
- The pivot P, may be offset from the spindle axis and the arms when produced intersect at O.
- The pivot P, may be offset, but the arms crosses the axis at O.
Porter Governor :- The porter governor is a modification of a Watt’s governor, with central load attached to the sleeve. The load moves up down the central spindle. This additional downward force increases the speed of revolution required to enable the balls to rise to any to any pre-determined level.
OBSERVATION :-
· Mass of the ball (m) = ————-kg.
· Weight of the ball (w)=————Newtons
· Height of the governor (h) = ——- metres
· Minimum equilibrium speed (N 1 ) = —— r.p.m.
· Minimum equilibrium speed (N 2 ) = —— r.p.m.
· Frictional force (F) = ————- Newtons
· Mean equilibrium speed (N) = (N 1 + N 2 )/2 in r.p.m
· Mass of the central load = ———kg.
· Weight of the central load (W) = ——–N
· Angle of inclination of the arm to the vertical (α ) = ——
· Angle of inclination of the link to the vertical (β ) = ——
CALCULATION :-
- N 2 = 895/h (For watt governor)
- N 2 = (( m + M (1+q)/2)/m) x ( 895/h) (For porter governor ), where, q = tan β/ tan α
- Sensitiveness of the governor = 2(N 1 – N 2 )/ N 1 + N 2 = 2 (ω 2 – ω 1 )/ ω 2 + ω 1
- A governor is said to be stable when for every speed within the working range there is a definite configuration i.e; there is only one radius of rotation of the governor balls at which the governor is in equilibrium. For a stable governor, if the equilibrium speed increases, the radius of governor balls must also increase.
PRECAUTIONS :-
- Take reading carefully.
- Measure the angle very carefully.
- Measure the height of governor carefully.
- Speed of governor measure accurate.
VIVA – QUESTIONS :-
- What is the function of a governor ? How does it differ from that of a flywheel ?
- State the different types of governors. What is the difference between centrifugal and inertia type governors ?
- Explain the term height of the governor. What are the limitations of a Watt governor ?
- What is the stability of a governor ?
- Define the Sensitiveness of governor.
- Which of the governor is used to drive a gramophone ?
- The power of a governor is equal to———–.
- What is hunt?
Related posts:
- Lab Manual | Gyroscopic Effect
3 Responses to “Lab Manual | Watt and Porter Governor”
vikas meshram
good evng sir i want some notes send in my email add.of few subjects as;machine designe,dom&ms-2.plz sir…….
where is characteristics curve
Need gate exam paper
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Experimental Analysis of Hartnell Governor Mechanism in Dynamics of Machinery Laboratory
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- Ali Hasan 13
Part of the book series: Lecture Notes in Mechanical Engineering ((LNME))
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The proposed work is aimed to analyze the performance characteristics of Hartnell governor mechanism available to our UG/PG/Research Scholars in dynamics of machinery laboratory and compare with the theoretical one given by the manufacturer. On the basis of this study, the researchers/scientist/design engineers will be able to select the specific spring length and mass of fly ball to perform the specific task as per specific requirements. The study covers the theoretical as well as practical aspects of the Hartnell governor. This study may be used as a reference guide to researchers/scientists in carrying out their research work in the initial conceptual stage of design.
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Acknowledgements
The author appreciates and is thankful to Prof. Emran Khan, Head, Department of Mechanical Engineering, F/O-Engineering and Technology, Jamia Millia Islamia (A Central University), New Delhi for granting all the facilities along with the permission to work in the laboratory and all those who participated in the study and helped me to facilitate the research process successfully.
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Correspondence to Ali Hasan .
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Department of Mechanical Engineering, Indian Institute of Science Bangalore, Bangalore, Karnataka, India
G. S. V. L. Narasimham
Department of Mechanical Engineering, National Institute of Technology Warangal, Warangal, Telangana, India
A. Veeresh Babu
Guru Nanak Institute of Technology, Ibrahimpatnam, Telangana, India
S. Sreenatha Reddy
Department of Mechanical Engineering, Guru Nanak Institute of Technology, Ibrahimpatnam, Telangana, India
Rajagopal Dhanasekaran
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Hasan, A. (2022). Experimental Analysis of Hartnell Governor Mechanism in Dynamics of Machinery Laboratory. In: Narasimham, G.S.V.L., Babu, A.V., Reddy, S.S., Dhanasekaran, R. (eds) Innovations in Mechanical Engineering. Lecture Notes in Mechanical Engineering. Springer, Singapore. https://doi.org/10.1007/978-981-16-7282-8_8
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#ProellGovernor #DynamicsLab #GovernorsIn this video, we can experimently see how a proell governor works in dynamics of machinery lab.Kindly share the PDF t...
Proell Governor - Flywheel and Governors Video Lecture from Chapter Flywheel and Governors in Theory of Machine for Mechanical Engineering Students.Watch Pre...
Three interchangeable governors (Hartnell, Porter and Proell) show the effects of speed, mass and geometry on governor behavior. Visit our page to find out m...
EXPERIMENT NO:03 GOVERNOR AIM: To Determine the effect of varying mass on the centre of sleeve in Porter and Proell Governor THEORY: Governors are used for maintaining the speeds of engines with in prescribed limits from no load to full load. In petrol engines, the governor controls the
Proell governor is a type of gravity controlled centrifugal governor. The centrifugal governor works on the principle of centrifugal force, which gets applicable on the rotating balls. These balls are known as fly balls, which are attached to the spindle through links. The balls rotate with a spindle which is rotated by the engine through a ...
AIM :-To perform experiment on Proell Governor to prepare performance characteristic Curves, and to find stability & sensitivity. APPARATUS USED:- Proell Governor. INTRODUCTION & THEORY :- The function of a governor is to regulate the mean speed of an engine, when there are variations in the load e.g. when the load on an engine increases, its
For going back to choose the experiment Exit Experiment button can be used in control panel. In the identify parts of the governor experiment, a Proell governor setup in the middle of the simulation screen, different parts of the governor have the dropdown box where user can choose the part name and verify at the same time.
In Proell governor, the fly balls are mounted on the governor spindle with the help of an extended arm. Proell governor has variable central weight. It works more accurately than other centrifugal governors and keeps a constant function without any fluctuation. A governor experimental setup of Machine Dynamics laboratory is shown in Fig. 1. The ...
Proell Governor. To visualize the working and effect of speed change of proell governor through simulation. Community Links Sakshat Portal Outreach Portal FAQ: Virtual Labs. Contact Us Phone: General Information: 011-26582050 Email: [email protected] . Follow Us.
Experiment No: 1 AIM: To study the characteristics of Governors. ... 1. Arrange the setup as a Watt/Porter, Proell governor or Hartnell. This can be done by removing the upper sleeve on the vertical spindle of the governor & using proper linkages provided. 2. Make proper connections of the motor.
5 Results and Discussion. The summary of results and calculations for Watt, Porter, Proell and Hartnell governor is presented in Tables 5, 6, 7 and 8. For Watt governor, we see from Table 1 that the minimum and maximum value of Nact are 211 rpm and 280 rpm, respectively, but the corresponding theoretical minimum and maximum value of Ntho from ...
Abstract In the present work, a comparative study of the performance character-istics of Watt, Porter, Proell and Hartnell governor mechanism is carried out in dynamics of machinery laboratory. The same universal governor set up with different attachment is used for recording the data. The performance characteristics for each governor are ...
Proell Governor is a type of centrifugal governor used to maintain a constantset speed limit in a steam engine. It is a loaded dead weight type. In Pro...
APPARATUS USED:- Watt and Porter Governors. INTRODUCTION & THEORY :- The function of a governor is to regulate the mean speed of an engine, when there are variations in the load e.g. when the load on an engine increases, its speed decreases, therefore it becomes necessary to increase the supply of working fluid.When the load on the engine decreases, its speed increases and thus less working ...
To perform experiment on Proell Governors to prepare performance characteristic Curves, and to find stability & sensitivity. 4. To perform experiment Hartnell Governors to ... Dead weight governor (Porter governor and Proell governor) (b) Spring controlled governors (Hartnell governor, Hartung governor, Wilson-Hartnell ...
Universal Governor Experiment. MODEL NO - DOM-014. DESCRIPTION. The " LabTek" Universal governor is designed for studying motion and functions of the following governors: Porter, Proell and Hartnell. The equipment consists of well-known centrifugal force governor systems. The governor is placed and locked from above onto a small motor ...
Srinu et al. invested a proell governor to increase its minimum speed. They change the length of lower arms and positions of the fly ball of the proell governor. Manychkin et al. discuss the collection of centrifugal governors collected at the end of the nineteenth century. Few models were taken from Europe, but most of the models were designed ...
English:Discussion on Proell Governor. Derivation of height 'h' of Proell governor. Proell Governor which is a type centrifugal governor was invented by Jame...
1. Experimental Analysis of Porter Governor Mechanism in. Dynamics of Machinery Laboratory. Dr. Ali Hasan. Associate Professor, Mechanical Engineering Department, Jamia Millia Islamia. New Delhi ...
Welcome to our deep dive into the Proell Governor, an innovative marvel in the realm of machinery dynamics. In this video, we unravel the intricacies of the ...
To perform experiment on Proell Governors to prepare performance characteristic Curves, and to find stability & sensitivity. 3. To perform experiment Hartnell Governors to prepare performance ... Proell Governor :- The porter governor is known as a Proell governor if the two balls (masses) are fixed on
14. Srinu D, Surarapu GB, Rao MN (2016) Experimental investigation of proell governor to increase minimum speed. Int J Mod Trends Eng Res 3(2):622-626 15. Manychkin N, Sakharov M, Tarabarin V (2010) The models of centrifugal governors in the collection of Bauman Moscow state technical university. In: Pisla D, Ceccarelli M, Husty M,
Dead weight Type Centrifugal Governor