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Welcome to The IUP Journal of Mechanical Engineering
ISSN: 0974-6536
A ‘peer reviewed’ journal distributed by EBSCO and Proquest Database

May'18
  Previous Issues  

Mass, motion, forces, energy, design, and manufacturing—these comprise the world of mechanical engineering today. Continual research and development has led to better machines and processes culminating in key events and technological advancements, that have improved the 'quality of life' of mankind. Mechanical engineering is concerned with all aspects—design, development, construction, production, installation, operation and maintenance—of almost everything that we come across in our daily lives-be it a sophisticated jet engine or a simple toy. It is to acknowledge the growing importance of this field IUP has come up with a quarterly journal—The IUP Journal of Mechanical Engineering.

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  • Mechanics of Solids
  • Materials
  • Fluid Mechanics
  • Combustion and Fuels
  • Thermodynamics/Heat Transfer
  • System Dynamics and Controls
  • Design
  • Design, Manufacturing and Product Development
  • Ocean Science and Engineering
  • Energy Science and Engineering
  • Bioengineering
  • Micro and Nano Engineering
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Implementation of Nocturnal Radiative Cooling System with Different Thickness Radiators for Indian Climate: A Feasibility Study
An Investigation into the Release of Air Pollutant Gases During Thermal Degradation of Furan Sand
Thermomechanical Properties of Piezoelectric Microstretch Solid Irradiated by Laser and Subjected to Ramp Type Heating Source
Practical Energy Conservation Methodologies for HVAC Systems
Distinct Mechanisms of 6 Links, 7 Joints and 1F Kinematic Chains
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Contents
(May 2018)

Implementation of Nocturnal Radiative Cooling System with Different Thickness Radiators for Indian Climate: A Feasibility Study

--Pramod V Mulik, Uday C Kapale and Gautam S Kamble

The paper evaluates the feasibility of implementing nocturnal radiative cooling system for air comfort application. Mechanical air conditioners are conventional in creating thermal comfort but are energy-intensive and hence harmful to the ecological system. Therefore, passive cooling can be adopted as a viable alternative to conventional cooling system. Heat flow through the roof contributes to the total heat gain of a building. The contribution becomes more severe for single story houses covered by metal sheet roofing. An aluminum nocturnal radiator thickness of 0.44 mm and 0.55 mm, painted with an appropriate white paint, was established on the roof. The lightweight metallic radiator was used for cooling the ambient air below its initial temperature. Consequently, this environment-friendly and highly-efficient system can reduce the use of mechanical vapor compression systems. Roofs of buildings radiate heat day and night at a rate of up to 75 W/m2. Generally, most locations can provide net night sky radiation above 60 W/m2, while the nocturnal coolers have the potential of reducing space temperatures by 2 to 4 °C and can yield 14-48% savings in the energy demand of a building.

An Investigation into the Release of Air Pollutant Gases During Thermal Degradation of Furan Sand

--Shailee G Acharya, Manojkumar V Sheladiya, Prakash V Kanjariya and Ghanshyam D Acharya

The paper analyzes the gases releasing from the furan binder samples using conventional process. For the preparation of sample sand, resin and catalyst were used in the ratio of 100:0.85:0.30. In order to increase the understanding of the gas releasing mechanism from furan binder, various studies like Fourier Transform Infrared (FTIR), Thermo Gravimetric Analysis (TGA) and Gas Chromatography-Mass Spectrometry (GC-MS) were carried out. After analyzing the materials using the above-mentioned characterizations, the chemical formula of the resin and binder was confirmed. After studying various reports on the pyrolysis process of furan binder, calculation of the percentage of various gases emitted during pyrolysis process of furan was carried out. Based on the investigation already reported in the papers, gases emitting from pyrolysis process were identified and its amounts were calculated. Based on the calculation, the total amount of gases releasing during a day was calculated and compared with the international standards of permissible gas emission limits in a foundry.

Thermomechanical Properties of Piezoelectric Microstretch Solid Irradiated by Laser and Subjected to Ramp Type Heating Source

--Arvind Kumar and Devinder Singh Pathania

The paper explains the thermomechanical interactions of ultra-laser heat source with the piezoelectric microstretch thermoelastic material. The medium is subjected to mechanical and thermal boundary conditions. Integral transform technique has been applied to the basic equations to solve the problem. Expressions have been obtained for normal stress, tangential stress, microstress and temperature distribution. The numerically computed results are shown graphically. The analysis of various stress quantities has been discussed theoretically. Some special cases are also deduced from the research.

Practical Energy Conservation Methodologies for HVAC Systems

--Venkata Ravi Ram Pinninti, T V K Bhanuprakash and Ramamurthy Dwivedula

Heating Ventilation and Air Conditioning (HVAC) systems are ubiquitous. Up to 40% of energy consumption in a building goes out on account of HVAC systems and thus it becomes a vital focus area for any initiative to improve energy efficiency. This has become imperative due to the increasing focus on curtailing rising costs and reducing CO2 footprint of the industry. Thus, finding ways to decrease the energy consumption is a continuous process and one that reaps rewards in more than one way. The need to ensure the integrity of systems housed in the building, be it sensitive electronic process control panels or computer servers, while implementing energy conservation measures, adds an element of process risk and requires a thorough study before any such implementation. The paper discusses some innovative case studies, some of which were part of National Award winning energy-efficiency measures in India, where one of the (Principal) authors was directly responsible for implementation. The focus is on practical and economical solutions that can be implemented immediately without resorting to complicated concepts like networked sensors or fuzzy logics.

Distinct Mechanisms of 6 Links, 7 Joints and 1F Kinematic Chains

--Ali Hasan

The paper develops a new, easy, reliable and efficient method to detect isomorphism and prepares a catalogue of fixed link and its corresponding equivalent links in the distinct mechanisms in kinematic chains of 6 links, 7 joints and 1F kinematic chains. It helps the new researchers/designers to select the best kinematic chain mechanism and to perform the desired task at the conceptual stage of design. The proposed method is presented by comparing the structural invariants ‘Sum of the absolute values of the Characteristic Polynomial Coefficients’ (SCPC) and ‘Maximum absolute value of the Characteristic Polynomial Coefficients’ (MCPC) of Joint-Joint [JJ] matrices. These invariants may be used to detect isomorphism in the kinematic chain mechanism having simple joints. The method is explained with the help of examples of planar kinematic chain having simple joints.

 

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Automated Teller Machines (ATMs): The Changing Face of Banking in India

Bank Management
Information and communication technology has changed the way in which banks provide services to its customers. These days the customers are able to perform their routine banking transactions without even entering the bank premises. ATM is one such development in recent years, which provides remote banking services all over the world, including India. This paper analyzes the development of this self-service banking in India based on the secondary data.

The Information and Communication Technology (ICT) is playing a very important role in the progress and advancement in almost all walks of life. The deregulated environment has provided an opportunity to restructure the means and methods of delivery of services in many areas, including the banking sector. The ICT has been a focused issue in the past two decades in Indian banking. In fact, ICTs are enabling the banks to change the way in which they are functioning. Improved customer service has become very important for the very survival and growth of banking sector in the reforms era. The technological advancements, deregulations, and intense competition due to the entry of private sector and foreign banks have altered the face of banking from one of mere intermediation to one of provider of quick, efficient and customer-friendly services. With the introduction and adoption of ICT in the banking sector, the customers are fast moving away from the traditional branch banking system to the convenient and comfort of virtual banking. The most important virtual banking services are phone banking, mobile banking, Internet banking and ATM banking. These electronic channels have enhanced the delivery of banking services accurately and efficiently to the customers. The ATMs are an important part of a bank’s alternative channel to reach the customers, to showcase products and services and to create brand awareness. This is reflected in the increase in the number of ATMs all over the world. ATM is one of the most widely used remote banking services all over the world, including India. This paper analyzes the growth of ATMs of different bank groups in India.
International Scenario

If ATMs are largely available over geographically dispersed areas, the benefit from using an ATM will increase as customers will be able to access their bank accounts from any geographic location. This would imply that the value of an ATM network increases with the number of available ATM locations, and the value of a bank network to a customer will be determined in part by the final network size of the banking system. The statistical information on the growth of branches and ATM network in select countries.

Indian Scenario

The financial services industry in India has witnessed a phenomenal growth, diversification and specialization since the initiation of financial sector reforms in 1991. Greater customer orientation is the only way to retain customer loyalty and withstand competition in the liberalized world. In a market-driven strategy of development, customer preference is of paramount importance in any economy. Gone are the days when customers used to come to the doorsteps of banks. Now the banks are required to chase the customers; only those banks which are customercentric and extremely focused on the needs of their clients can succeed in their business today.

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