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1463 articles for “loss”
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One Dimensional Thermal Model for Heat Flow in Friction Stud Welding
Abstract: Friction stud welding is a solid-state process in which the heat for welding is produced by direct conversion of mechanical energy to thermal energy at the interface of the components without the application of electric energy or heat from other external sources. Since it is thermal energy process, study of thermal behavior of dissimilar metals during friction stud welding process is important. Though there exist many thermal models for friction …
Published in Journal of Thermal Engineering and Applications · Vol. 2, Issue 2, 2015 · pp. 22–27 Read article
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Investigation and Evaluation of Wear Characteristics of A Nonmetallic Spur Gear
Abstract: A thermoplastic composite material designed and developed for fabrication of nonmetallic composite spur gear. The composite is fabricated using Portland Pozzolanic Cement (PPC) as filler material into the polypropylene matrix followed by injection molding technique. However, geometrical structure of the developed product depends on the parameter like loading-unloading condition and temperature fluctuation that severely influence the material performance and shorten the product life. In the present work, the composite spur …
Published in Trends in Machine design · Vol. 1, Issue 3, 2014 · pp. 73–78 Read article
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Six Sigma DMAIC Approach for Increasing Effectiveness of Heat Exchanger
Abstract: In a small sized furnace manufacturing company, heat exchanger is a fundamental segment. The productivity of the furnace relies on upon the proficiency and adequacy of the heat exchanger. This research uncovers the experimental execution of Six Sigma DMAIC (DefineMeasure-Analyze-Improve-Control) stages to enhance the adequacy of shell and tube heat exchanger and along these lines enhance the quality and productivity of the furnace. The basic goal is to enhance the …
Published in Trends in Machine design · Vol. 3, Issue 3, 2016 · pp. 12–17 Read article
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Wide Band Circle Slotted Inset Fed Microstrip Patch Antenna for Wireless Application
Abstract: A novel high gain, wideband circle slot-loaded microstrip patch antenna is presented in this paper. The proposed design is realized using inset linefeed method. The proposed microstrip antenna has a wide bandwidth covering the range from 1.033–2.859 GHz. By using simple inset linefeed technique and by introducing circle slot, the proposed antenna on 2 GHz operating frequency showing the bandwidth 93.83% having return loss −27.57 dB, gain 7.1 dBi and …
Published in Journal of Microwave Engineering and Technologies · Vol. 1, Issue 1, 2014 · pp. 6–10 Read article
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Design and Performance Improvement of Wearable Antenna
Abstract: In this paper, a novel structure of wearable antenna using clothing materials, suitable for wearable application has been presented. The substrate of the designed antenna was made of textile material, while radiating element and ground plane are made out of copper tape. To design a novel wearable flexible antenna which has high gain, efficiency, good return loss. Improvement in the design is done by increasing the electrical length and area …
Published in Journal of Microwave Engineering and Technologies · Vol. 1, Issue 2, 2014 · pp. 1–8 Read article
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Compact Circular Slotted Microstrip Antenna for Wireless Communication Systems
Abstract: In this paper, compact broadband microstrip patch antenna with circular slot has beendesigned for various wireless applications suitable in the ranges ofDCS1800/PCS1900/UMTS2100. The designed antenna has been printed on dielectricsubstrate glass epoxy. The Zeland IE3D software is used for the simulation. The return lossbandwidth is of 89.07% covering the frequency range of 1.02 to 2.65 GHz. The experimentalresults are in good agreement with the simulated results and have maximum radiationefficiency …
Published in Journal of Microwave Engineering and Technologies · Vol. 2, Issue 1, 2015 · pp. 9–13 Read article
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Optimization of Microstrip Antenna for WLAN and WiMax Lower Band Applications
Abstract: In this article, novel antennas are investigated for WLAN (2.40–2.48 GHz) and WiMax lower band (2.495–2.695 GHz) applications. In this paper, two designs are proposed having the same patch length 29.4 mm, width 38 mm, dielectric constant 4.4 and substrate thickness of 1.6 mm. Simulated results of each proposed antenna such as bandwidth, return loss, VSWR and smith chart is presented. The proposed antennas are simulated with the help of …
Published in Journal of Microwave Engineering and Technologies · Vol. 3, Issue 2, 2016 · pp. 19–24 Read article
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Triangular Slotted Microstrip Patch Antenna for Wireless Application
Abstract: Abstract In this article, a dumbbell shape microstrip patch antenna has presented mainly used for WLAN wireless applications. The simulated result shows that dual bandwidth of 49.07 and 9.47% are obtained covering the frequency range from 1.63 to 2.69 GHz and 3.42 to 3.76 GHz. The characteristics of the designed structure are investigated by using MoM based on IE3d. In the end, an extensive analysis of the return loss, radiation …
Published in Journal of Microwave Engineering and Technologies · Vol. 3, Issue 3, 2016 · pp. 8–12 Read article
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A Compact Spiral Shape Microstrip Path Antenna
Abstract: Abstract In this article, novel design is proposed to develop a microstrip patch antenna for 1.70–2.60 GHz frequency with bandwidth 41.8%. In this paper, the design of proposed antenna has the dimensions 37.8×46.0 mm, dielectric constant 4.4 and substrate thickness of 1.6 mm. The simulated result of proposed antenna such as bandwidth, return loss and smith chart is presented. The proposed antenna is simulated with the help of IE3D simulator …
Published in Journal of Microwave Engineering and Technologies · Vol. 3, Issue 3, 2016 · pp. 13–18 Read article
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Microstrip Antenna for Hiper LAN Application
Abstract: In this article, the simulated return loss, radiation pattern and gain of the proposed antenna have been studied. The presented antenna provides wide bandwidth of 76%, covering the Frequency range from 2.505 to 5.576 GHz, which is best suitable for WLAN and Hiper LAN application. Keywords: Patch antenna, Hiper LAN, efficiency, bandwidthCite this Article Niraj Kumar Sharma, Suryansh Chaudhary, Vinod Kumar Singh. Microstrip Antenna for Hiper LAN Application. Journal of …
Published in Journal of Microwave Engineering and Technologies · Vol. 4, Issue 2, 2017 · pp. 22–25 Read article
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Removal of Heavy Metals using Combination of Adsorbents - A Case Study using Industrial Waste Water
Abstract: Heavy metals are widely used in numerous industries such as paints and pigments, glass production, mining operation, electroplating, battery manufacturing and textile industries. The significant losses of heavy metals occur during the manufacturing processes and these lost heavy metals are discharged in the effluent. As they move from one ecological trophic level to another, metallic species start damaging the ecosystem. They also become difficult to track as they move up …
Published in Journal of Water Pollution & Purification Research · Vol. 1, Issue 2, 2014 · pp. 28–35 Read article
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Evaluation of Oil-Sorption Properties of Kapok Fiber for Cooking Oils: A Potential Check for Oil-ridden Wastewater from Restaurants
Abstract: Abstract Sewage is one of the leading sources of water pollution. The untreated water released from restaurants is the major contributor of oil pollution having devastating impact on aquatic life. Oil in water clogs pipelines, pumps and treatment equipments, decreases the efficiency of the plant and also results in high maintenance and operation costs. The natural material, kapok fibers have the capability to significantly separate oil from water by entrapping …
Published in Journal of Water Pollution & Purification Research · Vol. 3, Issue 3, 2016 · pp. 15–22 Read article
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Comparative Analysis of Parabolic Trough Solar Water Heater by Using Different Reflectors with and without Glass Cover
Abstract: Abstract All forms of energy on earth are derived from solar energy, so it is the primary source. Demand of energy consumption in today’s era is increasing continuously; this puts the burden on our conventional energy sources like coal, petroleum, natural gas etc. which are limited and can exhaust in future if not managed by alternate sources. So, use of solar energy for various energy generation processes is best option …
Published in Journal of Water Pollution & Purification Research · Vol. 4, Issue 2, 2017 · pp. 1–7 Read article
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Signaling Techniques in Telecommunication Network
Abstract: The importance of wearable products such as wearable textile antenna is increasing day by day because of the recent miniaturization of wireless devices. In the last few years it has received a vast amount of attention due to utilization in smart clothing and future consumer-centric communication technologies. The main challenges for designing textile antennas are low weight, low profile and low cost. The fabrication technique and the use of materials …
Published in Recent Trends in Electronics Communication Systems · Vol. 3, Issue 1, 2016 · pp. 48–55 Read article
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Design and Performance Analysis of Different UWB Modified Circular and Ring-shaped Microstrip Patch Antennas
Abstract: The importance of wearable products such as wearable textile antenna is increasing day by day because of the recent miniaturization of wireless devices. In the last few years it has received a vast amount of attention due to utilization in smart clothing and future consumer-centric communication technologies. The main challenges for designing textile antennas are low weight, low profile and low cost. The fabrication technique and the use of materials …
Published in Recent Trends in Electronics Communication Systems · Vol. 3, Issue 1, 2016 · pp. 9–28 Read article
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A Defected Ground Textile Antenna for Bluetooth/WLAN Applications
Abstract: A novel design of a slotted antenna for Bluetooth & WLAN Applications is presented in this paper. Modifications of the initial rectangular design for improving return loss and bandwidth are proposed and discussed. The proposed antenna was successfully developed by using CST Microwave Studio and fabricated prototype by using jeans substrate and copper tape. The proposed textile antenna covers a wide impedance bandwidth of about 81.46 %. The proposed antenna …
Published in Recent Trends in Electronics Communication Systems · Vol. 3, Issue 2, 2016 · pp. 1–8 Read article
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Implementation of Wireless Biometric Attendance Management System Using Raspberry Pi
Abstract: The attendance is taken in every institute, school, college and library. Traditional approach for attendance is teacher calls student's name and records attendance. It takes time to record the attendance. For each lecture, this is wastage of time. To avoid these losses, we designed a system which is based on fingerprint. This system maintains the attendance records of students. So we designed an efficient module that comprises a fingerprint sensor …
Published in Recent Trends in Electronics Communication Systems · Vol. 3, Issue 2, 2016 · pp. 19–25 Read article
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Interpretive Structural Modeling for Water Supply Service in India
Abstract: This paper develops a systematic assessment of the sustainability of water services provided to the consumers in rural, urban and municipality area in India and finds the interrelation between different dimensions by interpretive structural modeling. Given the conflicting preferences among the stakeholders and the incomplete, uncertain and contradictory understanding about water service by the Indian consumers, it is recognized that managing water resources sustainably is a wicked problem. In India …
Published in Journal of Offshore Structure and Technology · Vol. 2, Issue 1, 2015 · pp. 17–33 Read article
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Five Mistakes in Logistics of Oil and Gas (And How to Correct them)
Abstract: Abstract Do logistics play a vital role in Oil and Gas Sector? Are they at risk? Transportation Industry for the suppliers to the Oil and Gas (O&G) industry are experiencing challenges in today’s economy growth. The increase in shale oil and gas extraction projects has triggered spectacular growth in USA specially if we say about the global stake then in North American drilling projects have increased, but with this growth …
Published in Journal of Offshore Structure and Technology · Vol. 3, Issue 1, 2016 · pp. 40–43 Read article
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Bandwidth Management in WSN Through Discrete Fourier Transform
Abstract: In wireless sensor network, bandwidth and energy is the major consideration. In WSN, there are various protocols and management techniques which are involved in the bandwidth utilization and minimization of energy used in the data communication. The most common problem in WSN is of traffic congestion which results in loss of packets hence wastage of bandwidth and energy used to transfer the data is also increased. The technique discussed in …
Published in Recent Trends in Sensor Research & Technology · Vol. 1, Issue 3, 2014 · pp. 17–24 Read article