Search
1778 articles for “directivity”
-
Efficient Conversion of Sponge Iron from Iron Ore-Coal Composite
Abstract: Today India stands as the largest producer of coal based sponge iron using calibrated ore and non-coking coal. Production of sponge iron, via the direct reduction route using rotary kilns, continues to experience significant growth in India. Direct-reduced iron (DRI), also called sponge iron, is produced from direct reduction of iron ore (in the form of lumps, pellets or fines) by a reducing gas produced from natural gas or coal. …
Published in Trends in Mechanical Engineering & Technology · Vol. 7, Issue 3, 2017 · pp. 45–52 Read article
-
OCL Fault Injection-Based Detection & Prevention of LDAP Query Injection Vulnerabilities
Abstract: Security for web application is a prime concern today. Lightweight Directory Access Protocol (LDAP) is used in web applications for enforcing authentication. It may suffer from LDAP injection vulnerabilities and that leads to some security breaches such as login bypass and privilege escalation. This is because of poor implementation of LDAP applications. Here we propose a technique, OCL fault injection-based detection and prevention of LDAP injection vulnerabilities. Here the design …
Published in Journal Of Network security · Vol. 6, Issue 3, 2018 · pp. 5–8 Read article
-
A Review Drug and Biochemical Pharmacology Discovery
Abstract: The development of new therapeutic approaches and our understanding of disease mechanisms have both benefited ground-breaking medications as they are advanced and show the value of contemporary technologies, methodologies, and genetics in drug discovery. The synthesis, design, and application of these molecules have become a focal point in drug discovery efforts. The present research paper provided a comprehensive study of the recent developments in the field of biochemical pharmacology and …
Published in Research and Reviews : A Journal of Medical Science and Technology · Vol. 12, Issue 3, 2024 · pp. 27–31 Read article
-
Erthquake Response of Shear Wall Integrated Step-Back Set-Back Structures on Sloped Ground
Abstract: The study examines how well step-back set-back structures perform seismically when they are resting on a 27° slope in terms of base shear, maximum story displacement, story drift, and time period. Shear walls 200 mm thick are positioned at various points. The seismic performance of the square plan structure having shear wall at corner locations is presented in this study. The study's findings indicate that the shear wall's position affects …
Published in Journal of Geotechnical Engineering · Vol. 11, Issue 2, 2024 · pp. 22–31 Read article
-
Evaluation and Study of The chemical Pollution Ratio of Dams Water in Najaf Governorate and The surrounding Environments
Abstract: The importance of water and the urgent need for a clean environment free from pollutants has drawn our attention and focused in this study on estimating and evaluating ionic pollutants of elements (iron, chromium, lead, manganese) in the water of dams in Najaf Governorate and the surrounding areas. The study included four dams, namely ()Al-Mushkhab Dam, Al-Hindiya Dam, Shatt Al-Kufa, and Umm Abbasiyat Dam)( to determine the percentage of pollution …
Published in Emerging Trends in Chemical Engineering · Vol. 12, Issue 3, 2025 Read article
-
Inverse Model for Predicting Thermal Abnormality of the Transient Process Triggered by Defective Electronics Element
Abstract: The paper presents a model for predicting thermal abnormalities in Printed Circuit Boards (PCBs) by approximating the thermal process of electric elements with heating from point sources. Circuit board heat sources are defined as point and non-point. The point heat source is a small electronic heating element that can be approximated as having originated from one point on the circuit board. A non-point source is one with heat distributed over …
Published in International Journal of Energy and Thermal Applications · Vol. 3, Issue 2, 2025 · pp. 24–31 Read article
-
A SIMULATION STUDY OF THE EFFICIENCY OF HIGH VOLTAGE α-Si STAND-ALONE PV INSTALLATIONS
Abstract: The paper analyzes different configurations, direct-PV, PV-battery, either with PWM or MPPregulator, and hybrid-PV, of stand-alone PV installation operating with high voltage α-Si panels thatsupplies energy to a DC-AC external circuit. Global efficiency is determined as a function of voltageconversion ratio and individual element efficiency. The paper concludes that direct-PV is the mostefficient mode with average performance ratio (PR) of 92.2% followed by PV-battery with MPPT,68.3% of efficiency, and PWM …
Published in Journal of Alternate Energy Sources & Technologies · Vol. 12, Issue 2, 2021 · pp. 1–11 Read article
-
A comparative study of high-rise building having transfer floors with and without spandrel beams
Abstract: High rise buildings recently has become the necessity in densely populated cities or urban areas. Along with advance building material and construction methods, construction of high rise building has increased significantly. This paper proposes a comparative study of high rise building with transfer floor with and without spandrel beams subjected to earthquake load. A 30 storey building with transfer floor at 5th floor is considered for the study. The building …
Published in Journal of Construction Engineering, Technology & Management · Vol. 10, Issue 1, 2020 · pp. 1–10 Read article
-
Urban Planning Mitigation Trajectories for Urban Heat Island (UHI) A Case Study of Guntur, Andhra Pradesh, India
Abstract: AbstractGlobal radiation related solair-temperature directly influences Urban Heat Islands (UHI) as the built environments and surrounding atmosphere cause increase in urban solair temperatures, the resulting temperature completely depends on the thermal properties of the exposed materials. Urban heat islands can lead to deterioration of flora and fauna, elevation of ground level ozone, health disorders and increase in building energy consumptions. The study area of Guntur region which is susceptible to …
Published in Journal of Energy, Environment & Carbon Credits · Vol. 8, Issue 2, 2018 · pp. 12–29 Read article
-
Investigation of Square Monopole Antenna with Slotted Patch
Abstract: A novel antenna with slotted patch for L-Band applications is presented in this paper. The proposed antenna consists of a square patch with rectangular slot. By slotting of the patch the antenna shows enhancement of gain in allocated band. A rectangular slot in the patch and partial ground plane is used in this antenna to enhance return loss and bandwidth. The simulated results have shown that the designed antenna receives …
Published in Journal of Microwave Engineering and Technologies · Vol. 1, Issue 3, 2014 · pp. 21–25 Read article
-
Study and Analyze the Importance of Leadership in Modern Business
Abstract: The beginning point for this chapter was to bring together the investigation regions of organizationalstandards, innovation and alter, and information operation. The center was on innovation from the pointof view of organizational ponders and the method of information sharing in affiliations. It too incorporatesthe conception that specific information is a critical source of organizational information and investigatesthe interface between specific information utilized and organizational innovation forms. In spite of the …
Published in Journal of Production Research & Management · Vol. 12, Issue 2, 2022 · pp. 8–15 Read article
-
Design And Construction of a Vehicle With 360-Degree Wheels
Abstract: - To decrease the amount of time it takes to turn from one direction to another, 360-degree wheel turning vehicles with steering systems were designed and built. These vehicles may travel in any direction while remaining in the same location. This vehicle moves in all direction. To cut down on the amount of time it takes to turn from one direction to another, a 360-degree wheel rotation vehicle with steering …
Published in Journal of Production Research & Management · Vol. 12, Issue 2, 2022 · pp. 30–35 Read article
-
ANALYSIS AND DESIGN OF R.C.C. BRIDGE
Abstract: The thickness of pier is found taking width of deck slab variable, width of girder, depth of girder variable. The thickness of any structure gives flexural rigidity against bending. Span of girder also taken variable. More bending is taken when more loads on the structure & flexural rigidity mainly depends upon thickness of the structure. The design and analysis of R.C.C. bridges involve careful consideration of various factors, including the …
Published in Journal of Structural Engineering and Management · Vol. 10, Issue 1, 2023 · pp. 41–45 Read article
-
Performance Analysis of Flying Ad Hoc Network with Different Antennas Using Ricean Fading
Abstract: AbstractWith regards to FANET, utilization of directional antenna can to a great extent decrease the radio interference, in this way enhancing the use of wireless medium and thus the system throughput. Execution of FANET is low under the omnidirectional antenna system contrasted with smart antenna system when Ricean fading model is utilized. Directional antenna covers huge zone and transmits extensive no. of packets, since it centers in the desired direction …
Published in Journal of Telecommunication, Switching Systems and Networks · Vol. 5, Issue 2, 2018 · pp. 1–7 Read article
-
Optimization of Characteristics of a Simple Microstrip Circular Patch Antenna using Rotable Slot
Abstract: In this paper, we have designed a simple circular patch antenna which radiates at 2.8 GHz. A slot is introduced and is rotated along the center axis. We have noticed that the frequency of the antenna is varied as a function of slot orientation. An optimal slot angle is determined based on the return loss and then the slot, patch dimensions are optimized to increase the realized gain and return …
Published in Journal of Telecommunication, Switching Systems and Networks · Vol. 2, Issue 3, 2015 · pp. 31–36 Read article
-
An Ultra Wideband Hexagonal Patch Antenna with Enhanced Bandwidth
Abstract: A microstrip line feed Ultra-Wideband (UWB - 3.1 to 10.6 GHz) hexagonal patch antenna with enhanced bandwidth was presented in this article. The enhancement of bandwidth (BW) is achieved by defecting the partial ground structure. The antenna is designed by FR-4 substrate with εr(dielectric constant) = 4.3 & Tan δ (loss tangent) = 0.025.Initially, a conventional hexagonal patch with a partial ground plane produces a – 10 dB bandwidth of …
Published in Recent Trends in Electronics Communication Systems · Vol. 9, Issue 1, 2022 · pp. 11–20 Read article
-
Topology, Operation and Control of Modular Multilevel Converter for Grid Application: A Review
Abstract: Modular multilevel converter (MMC) is a widely accepted technology for high voltage direct-current (HVDC) application. Due to its modularity, scalability, power quality, and no need of bulky filter on ac side, they are widely used as voltage source converters in HVDC applications. This paper presents a comprehensive study on MMC technology for grid applications along with different modulation techniques and voltage balancing strategies which are essential for the converter to …
Published in Trends in Electrical Engineering · Vol. 7, Issue 1, 2017 · pp. 25–47 Read article
-
Design and Development of Special Purpose Drilling Machine
Abstract: This paper presents the design and manufacture of an automated drilling machine based on microcontroller (Arduino) to produce holes (10mm depth) in the work pieces of stainless steel AISI304. The drilling machining process proposed for a cycle of drilling. The cycle process begins when the start switch is pressed on, the head motor drives the ballscrew on which the drilling motor is mounted, by this arrangement the z axis movement …
Published in Trends in Machine design · Vol. 5, Issue 2, 2018 · pp. 1–8 Read article
-
Review Paper on Moving Coil and Moving Iron Instruments
Abstract: The advancement in the field of science and technology would have been in vain if the idea of proper measurement would have not been crept in the mind. The new discoveries lead to discovery of more easy and sophisticated measurement technique. The paper presented specializes in the field of measuring instruments, its construction, the paper mainly talks about the idea of solving the issue. After reading the paper we will …
Published in Research & Reviews: A Journal of Embedded System & Applications · Vol. 7, Issue 3, 2019 · pp. 18–21 Read article
-
Physical Activity Based Vehicle Control Using ESP32
Abstract: This paper introduces an optimized and reliable project named Move-Buddy, a device that encourages physical movement in children. This is a way of engaging children in a game which causes them to move their body in different positions (e.g., wave their arms and move their legs) for the device to move forward, backward, left, and right according to the action performed by the child. The device uses multiple sensors placed …
Published in Research & Reviews: A Journal of Embedded System & Applications · Vol. 11, Issue 3, 2023 · pp. 32–42 Read article