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221 articles for “temperature variation”
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Security System (Motion Capture) Based on Raspberry Pi
Abstract: This paper describes a state-of-the-art security system that uses motion capture technology to offer a reliable and flexible security solution for small-business and home settings. The Raspberry Pi, ESP32 camera module, and PIR (Passive Infrared) sensor are the three main components of the system, and they cooperate to identify and document any unusual behavior. As the system's central processing unit, the Raspberry Pi is in charge of coordinating all of …
Published in International Journal of Solid State Innovations & Research · Vol. 2, Issue 1, 2024 · pp. 30–35 Read article
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Refrigeration System Performance and Energy Optimization in Food Preservation and Cold Chain Logistics
Abstract: A vital part of the food preservation sector, refrigeration guarantees the durability, security, and quality of perishable food items in the supply chain. The food cold chain, which encompasses the refrigeration systems used during storage, transportation, and distribution, is integral to maintaining food safety and minimizing waste. However, as the global demand for food increases and sustainability concerns rise, energy consumption in refrigeration systems presents a major challenge. Efficient refrigeration …
Published in Journal of Refrigeration, Air conditioning, Heating and ventilation · Vol. 12, Issue 1, 2025 · pp. 22–29 Read article
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Pot Holes: Filling of Pot Holes (Problems, Repairs, Material for Filling)
Abstract: The concept of pot holes has come into context since many years. The current techniques and methodology of construction of roads have reached goals of urban transport. Due to current traffic conditions, variation of temperature, weather, water logging, etc. result in cracks or pot holes. Efficient use of techniques, modes of repairs, minimizing the causes of pot holes will help to save huge amount of funds and that can be …
Published in Trends in Transport Engineering and Applications · Vol. 4, Issue 1, 2017 · pp. 31–35 Read article
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Influence of Microcrack Healing on Interface Bond Shear Strength of Asphalt Concrete
Abstract: The flexible pavement layers are susceptible to cracks throughout its service life under the repeated loading and environmental impact. However, microcracks can heal itself through rest period and variation in temperature. In this investigation, the influence of microcrack healing on the interface shear strength of asphalt concrete was assessed. Two types of tack coat (rapid curing cutback RC-70 and cationic medium setting emulsion CMS) and three application rates have been …
Published in Trends in Transport Engineering and Applications · Vol. 7, Issue 2, 2020 · pp. 18–28 Read article
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Optimization of Performance of Shell and Tube Heat Exchanger with Al2O3 Nanofluid as Working Fluid
Abstract: Heat exchangers are used to transfer heat between two process streams. Improving the rate of heat transfer as well as minimizing the pressure drop is one of the promising fields to focus on. Nanofluids with better thermo-physical properties can increase the heat transfer rate. In the present study, thermo-physical properties of Al2O3 nanofluid are compared with base fluid at different temperatures and the variation of heat transfer coefficient, output temperature …
Published in Recent Trends in Fluid Mechanics · Vol. 2, Issue 2, 2015 · pp. 18–25 Read article
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The Effects of TiC Reinforcement on Thermal, Electrical and Dry Sliding Wear Behaviour of Aluminium Matrix Nanocomposites
Abstract: AbstractThe present work is to investigate the thermal, electrical and dry sliding wear behaviour of a aluminium matrix composite reinforced with dissimilar particle size (≤ 200 nm and 2 μm) of titanium carbide particles. An aluminium matrix composite with 0, 5, 10 and 15 vol.% TiC reinforcement was prepared by using powder metallurgy. A pin-on-disc apparatus was broadly used to investigate the wear behaviour of the Al/TiC nano composites. Wear …
Published in Nano Trends – A Journal of Nano Technology & Its Applications · Vol. 19, Issue 2, 2017 · pp. 28–41 Read article
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Analysis of Thermal Pattern Variation for River Ganges with Satellite Imagery
Abstract: Stream temperature is a fundamental aspect of water quality and ecosystem health of the river affecting its physical, chemical and biological processes; so the monitoring and understanding of the thermal regime of rivers is extremely important. Water temperature affects water quality such as dissolved oxygen, pH, salinity and it also has influence on growth and extent of aquatic organisms. Remote sensing applications can be an effective alternative to the conventional …
Published in Journal of Water Resource Engineering and Management · Vol. 7, Issue 3, 2020 · pp. 21–30 Read article
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An Exergetic based Assessment of Biogas as an Energy Source in a Hybrid Refrigeration System
Abstract: The analysis of biogas operated Ammonia-Water vapor compression absorption (hybrid) refrigeration system was carried out based on computational model being developed and the thermodynamic properties of working fluids have been used from the computer code. The variation of performance parameters such as exergy loss, COPCOOLING, COPHEATING and Exergy efficiency are studied with varying generator temperature, evaporator temperature, condenser and absorber temperature. The results indicate that maximum COP cooling as well …
Published in Journal of Refrigeration, Air conditioning, Heating and ventilation · Vol. 1, Issue 2, 2014 · pp. 31–40 Read article
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Utilization of Egg Yolk as A Non-Toxic Emulsifier in Environmentally Friendly Invert Emulsion Drilling Mud
Abstract: Vegetable oil such as Jatropha has been shown to be a comparable alternative to diesel and mineral oils for environmentally friendly oil based drilling mud. However compatibility of the vegetable oils with the usual chemical additives is still a major challenge that calls for compatible and non-toxic substitutes. This study examined the suitability of hen egg yolk as a non-toxic emulsifier in invert emulsion drilling mud using vegetable oil continuous …
Published in Journal of Petroleum Engineering & Technology · Vol. 6, Issue 1, 2016 · pp. 41–49 Read article
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Variation of Meteorological Parameters and their Influence on Tropospheric Surface Radio Refractivity in Minna and Yola, Nigeria
Abstract: The variation of meteorological parameters and their influence on tropospheric surface radio refractivity in Minna (middle belt) and Yola (north east), Nigeria was investigated. The results show that variation of each meteorological parameter (temperature, humidity and pressure) contributed to the diurnal and seasonal variations of tropospheric surface radio refractivity at Minna and Yola. The wet term of refractivity (Nwet) and dry term of refractivity (Ndry), contributed 24% and 76%, respectively …
Published in Research & Reviews : Journal of Space Science & Technology · Vol. 9, Issue 2, 2020 · pp. 5–20 Read article
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Influence of Nozzle Temperature, Nozzle Diameter, and Layer Height on Tensile and Hardness Characteristics of 3D Printed CF-PLA
Abstract: This research investigates the mechanical characterization of CF-PLA (Carbon Fiber-reinforced Polylactic Acid) composite material produced using Fused Deposition Modeling (FDM) technology. The study investigates the impact of different machine parameters, like nozzle temperature, nozzle diameter, and layer height, on the tensile property and hardness of CF-PLA specimens. A total of 27 samples were produced, each with different combinations of nozzle temperature (190°C, 200°C, and 210°C), nozzle diameter (0.4mm, 0.5mm, and …
Published in Journal of Polymer & Composites · Vol. 13, Issue 1, 2025 · pp. 674–681 Read article
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Evaluation and Optimization of an Aqua-Ammonia Vapor-Absorption Refrigeration System
Abstract: The process parameters of ammonia-water absorption system were optimized in terms of temperatures of generator and condenser and heat ratios of generator-to-condenser and generator-to-absorber. The iteration method was used to get the variation in generator and condenser temperatures with coefficient of performance (COP) for the fixed evaporator temperature. The sizing of generator, absorber and condenser was found from the variation of heat ratios of generator-to-condenser and generator-to-absorber for the fixed …
Published in Journal of Refrigeration, Air conditioning, Heating and ventilation · Vol. 1, Issue 1, 2014 · pp. 9–17 Read article
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Study on Single-Slope Solar Still for Experimental and Data-Driven Analysis for Improving Productivity with Different Basin Materials.
Abstract: This study investigates the single-slope solar still under the diurnal variation of water temperature and distillate yield under identical operating conditions. Experimental analysis was conducted to evaluate the performance enhancement through the incorporation of natural basin materials, namely hemp and sand. The water distillation process is focused on improving potable water productivity and thermal behaviour. The inclusion of hemp and sand in the basin leads to noticeable differences in productivity …
Published in Emerging Trends in Chemical Engineering · Vol. 13, Issue 2, 2026 · pp. 31–46 Read article
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Underbalanced Drilling and Its Advancements: An Overview
Abstract: Ever increasing global energy demand associated with depletion of conventional hydrocarbon resources drives exploration and production (E&P) industry to invent advanced new technologies in frontier areas of drilling, production and reservoir engineering to enhance hydrocarbon production from unconventional resources or depleted reservoirs. Demand to produce from a low pressure marginal reservoir and the discoveries of naturally fractured reservoirs lead to the development of new drilling techniques like underbalanced drilling along …
Published in Journal of Petroleum Engineering & Technology · Vol. 4, Issue 2, 2014 · pp. 37–51 Read article
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Finite Element Simulation Analysis of Concrete Arch dams: A Review
Abstract: The loads on the arch dam and the physical properties of materials of the dam and the bedrock are undefined, and can be designated with random variable. Due to the huge volume, the complex structure of the dam and excessive random variable, the static analysis of the dam is tough. The dam is a higher order statically unspecified structure, and the variation of the temperature obviously marks the stress and …
Published in Journal of Offshore Structure and Technology · Vol. 4, Issue 3, 2017 · pp. 23–30 Read article
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Integrated Perspectives on Fluid Mechanics and Energy Transport in Complex Flow Systems
Abstract: Fluid mechanics plays a central role in understanding the transport of mass, momentum, and energy in complex flow systems encountered in both natural and engineered environments. This review presents an integrated perspective on fluid behavior by combining fundamental principles with modern approaches to energy transport analysis. The study emphasizes the significance of conservation laws and their application to diverse flow regimes, including laminar, turbulent, compressible, and multiphase flows. Energy transport …
Published in Recent Trends in Fluid Mechanics · Vol. 13, Issue 1, 2026 · pp. 22–31 Read article
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Assessing the Durability of Stone Matrix Asphalt Concrete
Abstract: Stone Mastic Asphalt (SMA) is widely used throughout the world as one of the preferred asphalt surfacings. The local specifications define asphalt concrete durability based on maximum loads at failure. Therefore, it is required to assess the durability of the road surface materials of SMA and their ability to resist operational effects in terms of environmental impact. In this investigation, the durability of stone matrix asphalt concrete was assessed in …
Published in Trends in Transport Engineering and Applications · Vol. 6, Issue 3, 2019 · pp. 1–8 Read article
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Fuzzy Based Power Flow Control in Grid Connected Hybrid PV-PEMFC Microgrid System
Abstract: This paper evaluates the performance of a fuzzy based power flow control of grid connected hybrid system. The hybrid system composed of a Photovoltaic (PV) array and a Proton exchange membrane fuel cell (PEMFC) is considered. The photovoltaic (PV) array normally uses a maximum power point tracking (MPPT) technique to continuously deliver the highest power to the load when there are variations in irradiation and temperature occur, which make it …
Published in Journal of Microelectronics and Solid State Devices · Vol. 3, Issue 1, 2016 · pp. 20–29 Read article
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Remote Sensing and GIS-based Analysis of Land Surface Temperature Dynamics and Land Use Changes in Vijayawada, India
Abstract: The alteration of land use/land cover (LULC) has significant environmental consequences since it is strongly linked to long-lasting land degradation and leads to diverse environmental alterations. It is crucial to monitor the locations and distributions of changes in land use and land cover (LULC) to comprehend the connections between government actions, policy choices, and resulting LULC activities. Modern systems for protecting the environment and managing natural resources now depend heavily …
Published in Journal of Remote Sensing & GIS · Vol. 15, Issue 1, 2024 · pp. 20–27 Read article
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Temperature Control of Heat Exchanger using Sliding Mode Control Law
Abstract: Shell and tube heat exchanger system is widely used in chemical plants as it sustains wide range of temperature and pressure. The main purpose of heat exchanger is to transfer heat from a hot fluid to a cooler fluid, so temperature control of outlet fluid is having prime importance. To control the temperature of outlet fluid of shell and tube heat exchanger, a conventional PID controller can be used. But …
Published in Journal of Control & Instrumentation · Vol. 6, Issue 1, 2015 · pp. 14–26 Read article