IJAPIE
We are currently accepting submissions for Special Issues on Materials & Manufacturing, Innovative Design & Computational Modelling , Operations & Supply Chain Management and Robotics & Automation

IJAPIE
Special Issue on Innovative Design & Computational Modelling
(IJAPIE-SI-IDCM)




Chief Editors
Dr. Ramesh Chandra Singh
Delhi Technological University,
Delhi, India

Dr. R Srivastava
Delhi Technological University,
Delhi, India
















Editors
Dr. K. Manjunath
Delhi Technological University,
Delhi, India











International Journal of Advanced Production and Industrial Engineering (IJAPIE) Special Issue on Innovative Design & Computational Modelling


 

Numerical Simulation of Fluid Flow and Heat Transfer in Wavy Micro-Channel at Different Reynolds Number

Posted      :  05  Jan  2017 4:00 PM PST

File        :  IJAPIE-SI-IDCM-601.pdf

Title       :  Numerical Simulation of Fluid Flow and Heat Transfer in Wavy Micro-Channel at Different

                        Reynolds Number

Authors:   Mohammad Zunaid1*,  Afzal Husain2 , NaushadAhmad Ansari1, Anant Jindal1 , Avinash Gupchup1 

Abstract:  Heat performance and overall characteristics of microchannels can be improved by employing different channel structures. In this study wavy microchannel is analysed for its heat transfer and pressure drop characteristics. A three dimensional analysis is performed for different values of Reynolds number. The geometry is first created in Solidworks and then imported in ANSYS for CFD simulation in CFX package. To ensure the accuracy and reliability of the model the results for straight microchannels have been compared with experimental data. They are found to be in great agreement with the experimental results. A constant heat flux of 2*106 W/m2 is applied at the heat sink bottom. With water taken as coolant, the heat transfer and pressure drop characteristics are analysed for Reynolds number (600, 1000). It is found that both heat transfer and pressure drop increased with the employment of wavy channel as compared to straight microchannel.

 

 Analysis on Drag Reduction of Bluff Body using Dimples

Posted      :  05  Jan  2017 4:00 PM PST

File        :  IJAPIE-SI-IDCM-602.pdf

Title       :  Analysis on Drag Reduction of Bluff Body using Dimples

Authors:  Shabir Grover1,*, B.B.Arora1, Vaibhav Khanna1, Tushar Kaushik1, Akhilesh Arora1

Abstract:  A comparative study based on numerical modelling of airflow over a smooth generic bluff body against a dimpled one has been taken up in the present study using a reformed CFD FLUENT code. The investigation of flow is carried out using an Ahmed body, 25 degrees rear slant with dimples incorporated on its top as well as rear slant surface with specifications, AR equal to 6.25, and diameter (Ф) 25mm. The turbulent characteristics of the air stream were examined using the reliable two equation k-ɛ model. For an enhanced study of adverse pressure gradients near surfaces, a non-equilibrium state was assumed for the wall interface. All in all, the simulation results show that a drag reduction of 0.3% was obtained by employing dimples with elliptical profile.

 

Design Parameters of Multilayer High Pressure Vessel

Posted      :  05  Jan  2017 4:00 PM PST

File        :  IJAPIE-SI-IDCM-603.pdf

Title       : Design Parameters of Multilayer High Pressure Vessel

Authors: Neetu

Abstract:  This paper analyses multilayer high pressure vessel and also focuses on design parameters of multilayer high pressure vessel. The work in this paper includes the theoretical and software analysis of stress distribution. The stresses developed in solid wall pressure vessel and multilayer pressure vessel was analyzed by using ANSYS. Theoretical calculation of stress using failure theory is done and same is compared with ANSYS results. The study has revealed that multi layering technique has reduced the overall cost as well as properties have improved.

 

Modelling and Simulation of Thermoelectric Peltier Effect Cooling Unit

Posted      :  05  Jan  2017 4:00 PM PST

File        :  IJAPIE-SI-IDCM-604.pdf

Title       :  Modelling and Simulation of Thermoelectric Peltier Effect Cooling Unit

Authors:  Vineet Mathew*, Akhilesh Arora, B. B. Arora, Saurabh Dubey, Rayhan Ali, Sushant Sahasrabuddhe

Abstract:  Thermoelectric coolers being a Freon free technology with the added advantage of flexibility in mounting position and precise temperature control, are being extensively used in portable applications. The relatively lower efficiency compared to conventional cooling systems is neglected owing to its portability and pollution free nature. The aim of this study is to successfully model a Cooling Unit using a TEC and extended hot side and cold side heat transfer surfaces. The cooling medium is chosen as air. The heat transfer surfaces are Aluminium Extrusions. Modelling and simulation was done on ANSYS Icepak. ANSYS Icepak is a computational package for the thermal management of electronic components.  ANSYS Icepak solves for fluid flow and includes all modes of heat transfer i.e. conduction, convection and radiation. In this study the effect of the radiation mode of heat transfer was neglected. A suitable turbulence model is selected that can properly describe flow in the system.  After successfully meshing the assembly and setting up the prerequisite conditions, velocity and temperature contours have been plotted to show the nature of flow and temperature distribution across the surroundings as well the cooling elements. The analysis results can assist in the development of cooling strategies to further increase its effectiveness.

 

A Review on Design and Analysis of the propeller used in UAV

Posted      :  05  Jan  2017 4:00 PM PST

File        :  IJAPIE-SI-IDCM-605.pdf

Title       :  A Review on Design and Analysis of the propeller used in UAV

Authors:  Yamika Patel1* , Anant Gaurav2, Krovvidi Srinivas3, Yamal Singh4

Abstract:  UAV (unmanned aerial vehicle) known as the quadrotor, has more dynamic stability than the helicopters. It is an aerial vehicle which is a remote controlled and does not require the pilot. They are predominantly used in different areas like civilian purposes such as agriculture, logistics, military exercises, fire sensing etc. Propeller is an integrated propulsion device of UAV, generates thrust for vertical take off and landing of the vehicle.  Finite element analysis and solid works have been used to estimate the dynamical properties of the propeller.. The concept of propeller having a variable speed is introduced and the techniques of propeller selection is discussed. The process of analysing drag lift and thrust force over propeller through computational fluid dynamics is  very complex and intricate. Different CFD methods are used to simulate the full 3-D viscous and turbulent flow for various propeller geometry.  This force is important in selecting the motor to be used in the UAV model. Effect of thrust force along with pressure, velocity, and coefficient of viscosity on the surface of propeller can be analysed by CFD and these parameter helps to optimize the geometry, material selection and practicality of using the propeller.

 

 Assessment of Alternatives to Refrigerant R134a in Automotive Air Conditioning System 

Posted      :  05  Jan  2017 4:00 PM PST

File        :  IJAPIE-SI-IDCM-606.pdf

Title       :  Assessment of Alternatives to Refrigerant R134a in Automotive Air Conditioning System

Authors:  Komal1, Abhay Thapliyal2 , Akhilesh Arora3 

Abstract:  The automotive industry is currently using R134a as the refrigerant. It was introduced as a replacement of R12 as it had no chlorine content, and so did not harm the ozone layer. However, it has a very high global warming potential. Efforts to reduce green house gas emissions, guided by Kyoto Protocol have led to search for an alternative refrigerant. The various possible alternatives that have been researched so far have been discussed here and keeping in mind the requirements of environmental concern and performance of automobile AC system R1234yf and R436a were selected for our analysis.The thermodynamic system level performance was tested using EES and REFPROP software. The results indicated that R1234yf and R436a can match the performance of R134a by additional superheating and subcooling. Further, the vehicle level testing of R1234yf was done at Subros in their wind tunnel lab. Vehicle Cool down test was conducted and the results showed that with R1234yf as refrigerant the minimum temperature that could be reached was about 2C higher than with R134a. But the suction pressure was higher and discharge pressure was lower, which was beneficial. Thus, it was concluded that considering the advantages as well as current implementation issues both are feasible replacement options.

 

Experimental Investigation of Waste Animal Fat Methyl Ester Blends in Diesel Engine

Posted      :  05  Jan  2017 4:00 PM PST

File        :  IJAPIE-SI-IDCM-607.pdf

Title       :  Experimental Investigation of Waste Animal Fat Methyl Ester Blends in Diesel Engine

Authors:  Sharad Pratap Singh1, Harveer Singh Pali1*, Naveen Kumar2

Abstract:  The energy crisis is the concern that the world’s demands on the limited natural resources that are used to power industrial society are diminishing as the demand rises. So alternative source is required to meet this requirement. This research work reports the preparation of Waste animal fat methyl ester (WAFME) and exhaustive trials of its blends on single cylinder-four stroke diesel engine for evaluation of performance and emission characteristics. The assessed performance parameters include Brake Thermal Efficiency (BTE) and Brake Specific Energy Consumption (BSEC). In addition, engine emissions like CO, HC, and smoke were found to be significantly reduced except NOx. Conclusions specified that WAFME- diesel blends up to 20% (v/v) could be used in the engine without modification.

 

Wind Speed Prediction using Neural Network

Posted      :  05  Jan  2017 4:00 PM PST

File        :  IJAPIE-SI-IDCM-608.pdf

Title       :  Wind Speed Prediction using Neural Network

Authors:  Nand Kumar, Gurpreet Kaur, Aditi

Abstract:  The wind energy generation has been increasing rapidly in the past few years, making it imperative to know about the variables and the problems involved beforehand. The wind speed is a random variable and it depends on various atmospheric factors. This paper introduces a method to predict the wind speed effectively by making use of the algorithms of Artificial Neural Networks (ANN) and Support Vector Machine (SVM) in MATLAB. Data from Galicia, Spain was used to prepare valid dataset to train the neural network and a complex-valued neural network has been applied to build a model to predict wind speed. The results of the model show that the predicted data is close to the actual wind data available.

 

Electrical Power Production Engineering Analysis and Heuristic Decisive Electrical Energy Tariff Determination

Posted      :  05  Jan  2017 4:00 PM PST

File        :  IJAPIE-SI-IDCM-609.pdf

Title       : Electrical Power Production Engineering Analysis and Heuristic Decisive Electrical Energy Tariff

                       Determination

Authors:   L. N Das, Ranganath M. Singari

Abstract:  There are six type of electrical power plants generating electrical power for residential, industrial and corporal uses. The solar, wind, nuclear, hydro, gas, and coal are the sources of energy utilized to generate electrical power by means of energy conversion. The principles of all the energy conversions are nearly same but mechanism and technologies are different. The electrical power tariff is the direct function of maintenance cost, generating cost, transmission cost and distribution cost, but indirectly involve with the several engineering operational factors. In this paper a brief analysis of electrical power plants operations and its influence in heuristic decisive electrical energy tariff determination is discussed. Among the six types of electrical power generation plants several engineering operational factors, engineering and scientific factor bases involve in the hydroelectric power estimation and influencing the operational power product design have been discussed. It is difficult to manually decide the electrical energy tariff, as the hundreds of factors are implicit or explicitly related on fixing electrical energy tariff. The real per-unit cost of generated electrical power is quite large, an affordable and reasonable heuristic decisive electrical energy tariff determination supportive literature reviewed.

 

Realistic Approach to Pin-on-Disc Wear Testing Measurement

Posted      :  05  Jan  2017 4:00 PM PST

File        :  IJAPIE-SI-IDCM-610.pdf

Title       :  Realistic Approach to Pin-on-Disc Wear Testing Measurement

Authors:  Praveenkumar Kiranagi1,V.R.Kabadi2

Abstract:  Wear means, a loss of material during sliding of the matting surfaces, when they are in contact. Many researchers have estimated the wear loss in terms of weight loss, volume loss, weight loss per unit time, volume loss per rpm etc. It is very difficult to compare their results among one another and to bring in a common wear results. To understand the wear measurement, wear experiments have been conducted for different diameter specimens, under different operational conditions on pin-on-disc testing machine. From the various types of results, it is observed that volumetric wear rate i.e., volume loss per unit sliding distance gives a better understanding of the wear measurement. Also it is observed that instead of normal load, normal pressure is better variable to understand the wear. Further this wear equation can be improved by considering sliding speed and frictional temperature.