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1357 articles for “Calculations”
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Study and Analysis of the Results in Fixed Point Fuzzy Metric Spaces
Abstract: The main objective of this study is to use rational inequalities to demonstrate several purpose theorems mounted on fuzzy metric domains. The findings of numerous writers in the body of literature already exist, and our results expand and generalize them. We also provide several applications to back up our findings. In this study, the topic of fixed points in fuzzy metric space is the main focus. It inspires us to …
Published in Research & Reviews: Discrete Mathematical Structures · Vol. 10, Issue 1, 2023 · pp. 1–7 Read article
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Defining Regression Polynomials with Process Similarity Criteria
Abstract: Highly accurate monitoring and prediction is essential in detecting abnormality events and forecasting demands in supply chains. This investigation provides a computational procedure for defining polynomials that satisfy similarity criteria in the monitoring process for a polynomial of any degree. It provides an example of using algorithms to predict transient thermal processes in electronic devices. The second-degree polynomial defined with this algorithm is compared with a polynomial defined using a …
Published in Research & Reviews: Discrete Mathematical Structures · Vol. 10, Issue 2, 2023 · pp. 13–20 Read article
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On Pell Functions and Pell Numbers
Abstract: Number sequences have been studied by many scientists for many years because they find applications in nature and many branches of science. The most well-known number sequence among these integer sequences is the Fibonacci sequence. Later, these integer sequences were generalized and many number sequences were defined and their properties were examined. One of these is Pell number sequences. Pell numbers can be calculated in a way similar to the …
Published in Research & Reviews: Discrete Mathematical Structures · Vol. 10, Issue 3, 2023 · pp. 1–9 Read article
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A Machine Learning Approach to Personalized Movie Recommendations Using Content-based Filtering, Web Scraping and NLP Based Sentiment Analysis
Abstract: This research work presents an improved approach for movie recommendation using content-based filtering and cosine similarity. The proposed system considers the movies' content information and genre during item similarity calculations to recommend a top 10 list of similar movies based on user preferences. Data for the movies, including title, genre, runtime, rating, and cast, is obtained from the TMDB website using an API key, while reviews are web-scraped from the …
Published in Recent Trends in Programming languages · Vol. 10, Issue 1, 2023 · pp. 19–29 Read article
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Data Mining Methods for Large Data
Abstract: AbstractHigh dimensional data order ends up plainly difficult assignment since information are substantial, complex to deal with, heterogeneous and progressive. Keeping in mind the end goal to lessen the informational index without influencing the classifier precision. The element determination assumes a fundamental part in huge datasets and which expands the proficiency of arrangement to pick the vital highlights for high dimensional grouping, when those highlights are superfluous or corresponded. Along …
Published in Recent Trends in Programming languages · Vol. 4, Issue 3, 2017 · pp. 1–6 Read article
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Contact-Based Routing to Improve Delivery Ratio in DTN
Abstract: Delay tolerant networks (DTNs) are a new development in network research field. DTNs are the networks where no end-to-end paths are present between nodes for a long period of time. DTNs are wireless networks where disconnections and delays are high. DTN works on the principle of store, carry, forward mechanism. A store, carry, forward mechanism is a mechanism in which when a node receives a packet then it stores in …
Published in Journal Of Network security · Vol. 3, Issue 2, 2015 · pp. 36–43 Read article
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Implementations and Optimization in Design of Radiant Cooling Concept with Room Floor and Walls
Abstract: AbstractIn this paper, in order to accurately simulate room thermal performance, a coupling strategy between the room floor and wall with Computational Fluid Dynamics (CFD) simulation of the indoor airflow in a room, and the radiation heat transfer among the internal surfaces of its space and wall is calculated. Mostly research of radiant cooling is performed with radiant pipes in floors and ceiling, so we performed our analysis by installing …
Published in Journal of Thermal Engineering and Applications · Vol. 7, Issue 1, 2020 · pp. 15–23 Read article
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Numerical Study of Heat Transfer in Six Channeled Dimpled Plate Heat Exchanger
Abstract: Heat transfer augmentation is the most important criteria in many chemical, pharmaceutical and mechanical industry sectors. Considering this factor into account, heat transfer surface modification is being done for heat transfer augmentation purpose. Making dimples on heat transfer surface is one such augmentation technique. This study presents numerical analysis of six channeled counter current dimpled plate heat exchanger, in which the relative depth (dimple depth to diameter ratio (δ/D)) is …
Published in Journal of Thermal Engineering and Applications · Vol. 2, Issue 1, 2015 · pp. 15–25 Read article
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Improvement in Energy and Exergy Efficiency by Applying Thermal Insulation as per ASTM C680: A Review
Abstract: Small and medium enterprises (SMEs) consume a lot of energy due to inefficient usage of energy which otherwise can be conserved by the usage of effective thermal insulations. In the present study, an Indian SME was identified on the basis of replication potential for implementing thermal insulation practice and energy conservation. This paper includes literature about energy, exergy and importance of thermal insulation to improve efficiency. Thermal insulation thickness, heat …
Published in Journal of Thermal Engineering and Applications · Vol. 3, Issue 1, 2016 · pp. 49–54 Read article
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Thermodynamic Analysis of 25 MW Cogeneration Plant
Abstract: The aim of this project is to use the energy analysis based on the first law of thermodynamics to identify the locations and magnitudes of losses in order to maximise the performance of a 25 MW plant at Nirma Company Ltd., Porbandar, to evaluate the overall plant, boiler, and turbine and subsystem efficiencies. Energy flows in a boiler have been shown in this paper. The boiler efficiency is calculated using …
Published in Journal of Thermal Engineering and Applications · Vol. 3, Issue 1, 2016 · pp. 55–60 Read article
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FPGA Implementation of SoC Design using Softcore Processor and Custom Peripherals, Custom Instruction for Robotics and Automation
Abstract: The general definition of SoC is the on-chip integration of a variety of functional h/w blocks to suite a specific product application. In traditional technology designed using on board integration of functional blocks for any application, this leads to less performance. Nowadays productivity gap will be reduce by making compact, life of device and Time to market. So using FPGA demonstrating building of SoC using custom peripherals. FPGA (Field Programmable …
Published in Research & Reviews: A Journal of Embedded System & Applications · Vol. 1, Issue 3, 2013 · pp. 10–16 Read article
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Design of a Modified Low Power PTL based 64-Bit Comparator
Abstract: In this paper, we have presented comparison of modified and existing 64-bit binary comparator designs concentrating on power consumption, delay and PDP. Modifications are done in existing 64-bit binary comparator design to improve the PDP of the proposed design. The modified design have been performed by using PTL logic in existing 64-bit binary comparator design to improve the speed of the circuit. Comparison between modified and existing 64-bit binary comparator …
Published in Research & Reviews: A Journal of Embedded System & Applications · Vol. 2, Issue 3, 2014 · pp. 10–17 Read article
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Hardware Implementation of a Multistage Low Pass Sigma Delta Modulator
Abstract: The overall objective of this paper is to describe the design, simulation and observation of the hardware implementation of a multi stage low-pass sigma delta modulator on FPGA architecture using modelsim. The objective of this paper is shown first by describing a low-pass multistage for D/A sigma delta modulator. The next step involves a detailed evaluation of various accumulator based MASH structures which is then modeled in MATLAB and SIMULINK …
Published in Research & Reviews: A Journal of Embedded System & Applications · Vol. 3, Issue 3, 2015 · pp. 13–21 Read article
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A Study on Power Analysis Based Side Channel Attacks On Advanced Modes of AES
Abstract: Advanced Encryption Standard (AES) is the most popular symmetric block cipher algorithm. The commonly used mode of operation in AES is the Electronic Code Book (ECB) mode. In the past, side channel attacks have been shown to be effective in breaking the secret keys used with AES, while AES is operating in the ECB mode. AES defines a number of advanced modes (Cipher Block Chaining - CBC, Cipher feedback – …
Published in Research & Reviews: A Journal of Embedded System & Applications · Vol. 4, Issue 2, 2016 · pp. 12–20 Read article
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Modeling and Simulation of Heat and Mass Exchanges in Refrigerated Compartment of a Truck
Abstract: This paper presents a numerical model to simulate, in dynamic regime, the heat and mass exchanges in refrigerated compartment of a truck coupled with its refrigeration machine. The model of the refrigerated compartment developed, is based on mass and energy balances of the air inside the compartment. Heat exchanges through the walls, including the thermal bridges, are calculated. Another sub-model determines the heat and humidity exchanges during the door openings. …
Published in Journal of Refrigeration, Air conditioning, Heating and ventilation · Vol. 2, Issue 1, 2015 · pp. 21–29 Read article
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Numerical Study on Thermal Performance Assessment of a Compact Heat Exchanger Equipped with Two Broken Twisted Strips
Abstract: Twisted strips are a widely used technique for heat transfer enhancement. In the present study, it proposed that two broken twisted strips aiming at achieving good thermohydraulic performance. Effects of the two broken twisted strips (BTS) on the heat transfer, friction factor and thermal performance factor behaviours in a heat exchanger are reported along with smooth duct. The computations are based on the finite volume method with the SIMPLE algorithm …
Published in Journal of Refrigeration, Air conditioning, Heating and ventilation · Vol. 2, Issue 2, 2015 · pp. 22–30 Read article
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Performance Analysis of Double Coil Wire Inserts for Heat Transfer in a Circular Tube
Abstract: Abstract This work represents the experimental investigation results for turbulent flow heat transfer in a horizontal pipe by using double coil wire inserts and air as working fluid, experiments were carried out for a tube with and without double coil wire inserts at constant heat supply and different mass flow. The double coil wire insert are four different pitch of 12, 14, 16 and 18 mm and three different wire …
Published in Journal of Refrigeration, Air conditioning, Heating and ventilation · Vol. 2, Issue 3, 2015 · pp. 25–33 Read article
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Design and Modification of Air Dehumidifier: A Review
Abstract: Abstract Air dehumidifier can be designed and modeled working on the simple principle of dehumidification of compressed air by means of collision with the number of cylinders arranged in series. This dehumidifier does not require any hygroscopic media or absorptive media such as activated alumina, silica gel, salt tablets, etc., which are used in other dehumidifiers. It does not require any refrigerant which is used in the refrigerated dehumidifier. The …
Published in Journal of Refrigeration, Air conditioning, Heating and ventilation · Vol. 3, Issue 1, 2016 · pp. 1–3 Read article
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Experimental Analysis of Capillary Tube in a Vapor Compression Refrigeration System
Abstract: Abstract A capillary is an essential deice of a vapor compression refrigeration system. It is used to reduce the condenser pressure to evaporator pressure. The refrigerant is expanded enthalpically, the reduction in pressure also reduces corresponding saturation temperature. This paper presents the analysis of expansion device accounting for three different sizes of capillary tubes. The investigations are carried out for different length of capillaries measuring 3, 3.5 and 4 m …
Published in Journal of Refrigeration, Air conditioning, Heating and ventilation · Vol. 3, Issue 1, 2016 · pp. 32–34 Read article
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Exergetic Analysis of Single Effect LiBr-Water Absorption Cooling System
Abstract: Abstract This paper presents the exergy analysis of single effect LiBr-Water absorption cooling system. The work is committed to the study, the evaluation and distribution of the destroyed exergy for each component constituting this kind of system. The thermodynamic models, derived using the first and second laws of thermodynamics, are employed in a computer program using the engineering equation solver (EES) software to perform the calculations. Influence of various operating …
Published in Journal of Refrigeration, Air conditioning, Heating and ventilation · Vol. 3, Issue 2, 2016 · pp. 41–48 Read article