Recent trends in fluid mechanics (vol3, issue2)

STM JOURNALSScientific Technical Medical

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Recent Trends in Fluid Mechanics

(RTFM)

May - August 2014

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Recent Trends in Fluid Mechanics

Recent Trends in Fluid Mechanics

?Conservation of mass, energy, momentum

?Kinematics of fluid flow

?Dynamics of fluid flow

?Pipe flow system

?Newtonian and non - newtonian fluid

? Flow, Turbulence and Combustion

?computational fluid dynamics

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Dr. Bimlesh Lochab

Industrial Tribology Machine Dynamics & Maintenance

Engineering Centre (ITMMEC)

Indian Institute of Technology Delhi, India.

Prof. S. Ramaprabhu

Alternative Energy Technology Laboratory,

Department of Physics,

Indian Institute of Technology, Chennai, India.

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Varanasi, India.

Dr. Rakesh Kumar

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Applied Chemistry, BIT Mesra,

Patna, India.

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Gargi Asha Jha

Nupur Anand

Priyanka Aswal

Sona Chahal

STM Journal (s) Advisory Board

Dr. Ashish RunthalaLecturer, Biological Sciences Group,

Birla Institute of Technology & Science, Pilani Rajasthan, India.

Dr. Baldev Raj

Former Director, Indira Gandhi Centre for Atomic Research, India.

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of Civil Engineering National Institute of Technology Trichy, India.

Prof. Bankim Chandra RayProfessor and Head, Department of

Metallurgical and Materials Engineering National Institute of Technology,

Rourkela, India.

Prof. D. N. Rao Professor, Department of Biochemistry,

AIIMS, New Delhi, India.

Prof. Jugal KishoreProfessor, Department of Community

Medicine, Maulana Azad Medical College, New Delhi, India.

Dr. Pankaj PoddarScientist, Physical & Materials ChemistryDivision, National Chemical Laboratory,

Pune, India.

Dr. Hardev Singh VirkProfessor Emeritus, Eternal

University, Baru Sahib, India.

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National Brain Research Centre, Manesar, India.

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Indian Institute of Technology Madras, India.

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Nurture Earth R&D Pvt LtdMIT Campus, Beed bypass road,

Aurangabad, India.

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Department of Applied Chemistry, BIT Mesra, Patna, India.

Dr. Priyavrat TharejaHead, Materials and Metallurgical

Engineering Department, PEC University of Technology,

Chandigarh, India.

STM Journal (s) Advisory Board

Editorial Board

Amar Mullick, ProfessorNational Institute of Technology,

Durgapur, India.

Ashis Kumar SenAssistant Professor, Department

of Mechanical Engineering, Indian Institute of Technology Madras.

Bibhab Kumar Lodh Assistant Professor, Department of

Chemical Engineering, National Institute Technology, Agartala, India.

DVR MurthyPrincipal Scientist, Design & Engineering

Division, Indian Institute of Chemical Technology Hyderabad, India.

Atul SrivastavaAssistant Professor, Indian Institute

of Technology, Bombay.

Anirbid SircarDirector, School of Petroleum Technology Pandit Deendayal

Petroleum University Raisan, India.

P. KalaichelviAssociate Professor & Associate Dean-I

(Research & Consultancy),Department of Chemical Engineering National Institute

of Technology Tiruchirappalli India.

Pradyumna GhoshAssociate Professor, Thermal Engineering

Department of Mechanical Engineering Indian Institute of Technology, BHU(IIT-BHU)

Varanasi, India.

Ramesh H GowdaWater Resources Engineering Specialist,

National Institute of Technology, Karnataka Suratkhal, India.

Shibu G PillaiChemical Engineering, Department

Institute of Technology Nirma University, India.

Somnath RoyAssistant Profesor, Department of

Mechanical Engineering Indian Institute of Technology,Patna.

Vikas MahtoAssociate Professor, Department of

Petroleum Engineering Indian School of Mines Dhanbad, India.

I take the privilege to present the print version for the Volume 1 Issue (2) of Recent Trends in Fluid

Mechanics. The intension of RTFM is to create an atmosphere that stimulates creativeness, research

and growth in the area of fluid mechanics and applications.

The development and growth of the mankind is the consequence of brilliant Research done by

eminent Scientists and Engineers in every field. RTFM provides an outlet for research findings and

reviews in areas of fluid mechanics technology found to be relevant for national and international

recent developments & research initiative.

The aim and scope of the Journal is to provide an academic medium and an important reference for

the advancement and dissemination of research results that support high level learning, teaching and

research in the domain of fluid mechanics research.

Finally,I would like to thank Authors for their continued support and invaluable contributions and

suggestions in the form of authoring. I express my sincere gratitude and thanks to our Editorial/

Reviewer board for write ups/ reviewing and providing constructive comments for the advancement

of the journals. With regards to their due continuous support and co-operation, we have been able to

publish quality Research/Reviews findings for our customers base.

I hope you will enjoy reading this issue and we welcome your feedback on any aspect of the Journal.

Dr. Archana Mehrotra

Director

STM Journals

Director's Desk

STM JOURNALS

1. Effect of Fly Ash on the Rheological and Filtration Properties of Palm Oil-in-Water Emulsion based Drilling Fluid Jain R., Kumar N., Mahto V. 1

2. Determination of Maximum Allowable Pump Speed for Transferring Fluid to a Vertical Height at Constant Power B. Dan-Asabe, S. A. Yaro, D. S. Yawas, S. Y. Aku 6

ContentsRecent Trends in Fluid Mechanics

RTFM (2014) © STM Journals 2014. All Rights Reserved

Recent Trends in Fluid Mechanics

Volume 1, Issue 2

www.stmjournals.com

Effect of Fly Ash on the Rheological and Filtration

Properties of Palm Oil-in-Water Emulsion based

Drilling Fluid

Jain R., Kumar N., Mahto V.*

Department of Petroleum Engineering, Indian School of Mines, Dhanbad, India

Abstract The emulsions are considered as most favourable drilling fluid to drill sensitive

formations such as shales. In this work, an attempt has been made to develop an emulsion

using palm oil. The polymers and surfactant were added to the system to improve the

emulsion mud characteristics. It was observed that these emulsions were showing favourable rheological properties and poor filtration control characteristics. But, poor

filtration properties were further controlled by fly ash (2% wt/v). The stability of the

developed emulsions has been well checked with zeta potential (66.84 to 42.74 mV) measurements. The present study would provide useful information for the selection of eco-friendly palm oil-in water emulsion for drilling oil and gas wells.

Keywords: palm oil, shale, emulsion, interfacial surface tension, zeta potential.

RTFM (2014)© STM Journals 2014. All Rights Reserved

Recent Trends in Fluid Mechanics

Volume 1, Issue 2

www.stmjournals.com

Determination of Maximum Allowable Pump Speed for

Transferring Fluid to a Vertical Height at Constant Power

B. Dan-Asabe1*, S. A. Yaro

1, D. S. Yawas

2, S. Y. Aku

2

1Shell Chair Office, Department of Mechanical Engineering, Ahmadu Bello University, Zaria, Nigeria

2Department of Mechanical Engineering, Ahmadu Bello University, Zaria, Nigeria

Abstract This work determines the maximum possible velocity fluids can be transported through a vertical height at constant pump power. The analysis involves simulation of theoretical

piping equations and analysis of the pump pressure, frictional pressure drop and static

(atmospheric) pressure with respect to flow velocity using MS excel and Matlab. Computational results obtained from MS excel and represented graphically in Matlab

establish the maximum allowable velocity—below which the fluid can be transported

safely within the required flow input conditions (i.e., diameter, length and pump power) and above which it will be impossible for the fluid to be pumped to the given height under

the same flow conditions. A general equation was also established for approximate determination of the maximum fluid velocity at any height given the pipe length (height),

pump power and pipe diameter. It was also found that at constant pump power, the larger

the pipe length and diameter, the greater the maximum allowable flow velocity for each, respectively and vice versa.

Keywords: maximum allowable velocity, pump speed and pressure, frictional

pressure, static pressure