Search
75 articles for “Temperature separation.”
-
Study on Server Cabinet Cooling System: A Review
Abstract: The goal of data centre mechanical system research and development is to improve the energy efficiency and reliability. Several new cooling solutions, which including hybrid/liquid cooling systems and free cooling systems, have been successfully implemented in production data centres, with enhanced Power Usage Effectiveness when compared to traditional air-cooling data centres. But the research in small scale data centre cooling is not taken in consideration. In this project we are …
Published in Journal of Refrigeration, Air conditioning, Heating and ventilation · Vol. 9, Issue 1, 2022 · pp. 38–42 Read article
-
Theoretical Investigation on Separation of High Purity Nitrogen, Oxygen and Argon from Atmospheric Air at Cryogenic Temperature
Abstract: Air is a mixture of various gases like nitrogen, oxygen, argon, hydrogen, helium, neon, etc. These gases can be separated at cryogenic temperature by liquefying each of their components at different temperature and pressure. This paper presents latest technology in bulk production of high purity of nitrogen, oxygen & argon from air, and analytical process design of a 1250 ton/day plant. The results are compared with the data of actual …
Published in Journal of Refrigeration, Air conditioning, Heating and ventilation · Vol. 1, Issue 3, 2014 · pp. 20–25 Read article
-
HRTEM and Current-Voltage Study of ACNT-MoS2 Nanocomposite Prepared by Hydrothermal Method
Abstract: Recently amorphous carbon nanotube and their nanocomposites are most influenced research topic in the field of nanoscience and nanotechnology. Here in this paper, amorphous carbon nanotube-molybdenum disulfide nanocomposite has been prepared by hydrothermal method. Hexaammonium heptamolybdate tetrahydrate, thiourea and amorphous carbon nanotube were used as main material in that process. Amorphous carbon nanotube have been prepared separately by a low temperature chemical process. Finally the high resolution transmission electron microscope …
Published in Journal of Nanoscience, NanoEngineering & Applications · Vol. 9, Issue 3, 2019 · pp. 15–21 Read article
-
A Detail Opto-electronic and Photocatalytic Study of Amorphous Carbon Nanotubes—MoS2 Hybrids
Abstract: Amorphous carbon nanotube – MoS2 nanohybrids were synthesized by simple hydrothermal method where two different precursor, thiourea and L-cysteine were used as a source of sulfur. Amorphous carbon nanotube has been prepared separately by a low temperature chemical process. Amorphous carbon nanotube-MoS2 nanohybrids were characterized by using X-ray diffraction, energy dispersive X-ray analysis, field emission scanning and high resolution transmission electron microscope, Raman spectrometer. Dye removal (from water) performance of …
Published in Nano Trends – A Journal of Nano Technology & Its Applications · Vol. 21, Issue 2, 2019 · pp. 19–30 Read article
-
Solar Power-Driven Intelligent IOT Based Automobile Cabin Cooling System
Abstract: Automobile owners especially in India are facing lots of issues as the temperature here is simply high, once parked underneath the hot sun. During this project, the planning and development of a automobile cabin cooling system is represented in brief. A brand-new ventilation has been designed that contains fan, solar array, temperature sensors and electronic feedback circuit to mechanically management the temperature within the automobile cabin once ignition is off. …
Published in Journal of Energy, Environment & Carbon Credits · Vol. 10, Issue 3, 2020 · pp. 10–15 Read article
-
A Study of Hyperfine Interactions of Peroxy Radicals in Irradiated PE Copolymer at Low Temperatures
Abstract: Hyperfine interactions occurring around the magnetic environment of peroxy radical are investigated by electron spin resonance (ESR) technique. For this purpose, ESR spectra are recorded in the temperature range of 77 to 300 K. ESR spectra at 77 K possess some hyperfine structure together with peroxy doublet; while at high temperatures only peroxy doublet is observed. Hyperfine parameters like g-values, peak to peak separation, spread are calculated and their temperature …
Published in Journal of Modern Chemistry & Chemical Technology · Vol. 8, Issue 2, 2017 · pp. 13–19 Read article
-
Fabrication of Polydimethylsiloxane Composites with Nickel Nanoparticles: Unification and Current–Voltage Relationship
Abstract: Polydimethylsiloxane (PDMS)–nickel nanoparticle (NiNPs) nanocomposite films were fabricated and systematically investigated to understand their electrical transport behavior through current–voltage (I–V) characterization. Nanocomposite films with varying Ni nanoparticle filler concentrations (14.88 wt%, 15.77 wt%, and 16.65 wt%) were prepared using a solution-mixing and spin-coating technique, followed by controlled thermal curing. The electrical properties of both pristine PDMS and PDMS– NiNPs nanocomposites were examined over a wide voltage range (up to 800 …
Published in Journal of Nanoscience, NanoEngineering & Applications · Vol. 16, Issue 1, 2026 · pp. 22–29 Read article
-
Separation of gas bubbles from a fluid in microgravity
Abstract: The paper presents the constructed device and developed method of gas bubbles separation from fluid using the specially created temperature gradient in a fluid in the conditions of microgravity, which differs by simplicity of a construction, economically high efficiency and productivity, and can be successfully used to separation of gas bubbles from a fluid in various technological systems on the international space station. Such technological systems include processes that occur …
Published in Research & Reviews : Journal of Space Science & Technology · Vol. 9, Issue 1, 2020 · pp. 23–31 Read article
-
HYBRID TEG SYSTEM FOR INDUSTRIAL AND AIR CONDITIONING APPLICATIONS
Abstract: A new system to generate electric energy using thermoelectric generators (TEG’s) based on Peltier cells has been conceived, designed and built. The system consists of a Peltier cell assembly installed in a replica of an air conditioning circuit to benefit from hot and cold air flow to generate the appropriate temperature gradient. The new system has been characterized using a group of Peltier cells mounted on a dual thermostatic chamber …
Published in Journal of Refrigeration, Air conditioning, Heating and ventilation · Vol. 9, Issue 1, 2022 · pp. 1–17 Read article
-
Experimental Setup for the Measurement of Low Temperature Seebeck Coefficient of Single Crystal and Bulk Materials
Abstract: A differential thermopower setup is fabricated for both the single crystal and bulk materials in the temperature range of 16–320 K. One advantage of this apparatus is that the sample separation can be changed according to the requirement between 2 and 5 mm. In this setup silver paint is used for the improvement of thermal and electrical conductivity between copper (thermocouple) leads and material. Seebeck coefficients are measured using a …
Published in Journal of Control & Instrumentation · Vol. 5, Issue 2, 2014 · pp. 25–30 Read article
-
Development and Validation of a Gradient RP-HPLC Method for Quantitative Determination of Potential Manufacturing Impurities in New Drug Apronalide and Pharmaceutical Formulations
Abstract: Three impurities in apronalide drug substance were detected and quantified using a simple isocratic reverse phase HPLC method. The chromatographic separation was achieved on a Thermo Hypersil gold-CN, 100 A0 5 µm, and 250X4.6 mm using a mobile phase consisting of phosphate buffer (pH-4.6) - Methanol with UV detection at 210 nm and flow rate of 0.8 ml/min. The column temperature was maintained at 250C throughout the analysis. This method …
Published in Research & Reviews: A Journal of Drug Formulation, Development and Production · Vol. 1, Issue 1, 2014 · pp. 1–10 Read article
-
Dairy Based Novel Ingredients Using by Membrane Technology
Abstract: Rapid developments in the range and capabilities of membranes available have a potential to hugely affect the dairy industry as a whole. Membrane processing is an excellent tool for the fractionation of milk proteins. A wide range of products, having unique nutritional and functional characteristics have been developed by employing membrane processing. Membrane technology has potential benefits of separation of intact form of ingredients from milk or whey at a …
Published in Research and Reviews : Journal of Dairy Science and Technology · Vol. 11, Issue 1, 2022 · pp. 7–20 Read article
-
Extraction of Essential Oil and Anti-bacterial Activity Determination of Cassia tora Seed on some Selected Microorganisms (Staphylococcus aureus, Trichophyton rubrum and Streptococcus species)
Abstract: Essential oils have been used for extensive applications of variety of wellness throughout documented history. With massive advancement in science, essential oils today have undergone numerous refining methods to give an improved effect. The aim of this study was to extract and investigate the functional properties of Cassia tora seed oil through analytical profiling using gas chromatography. In the gas chromatographic analysis two chromatographic conditions used were the same except …
Published in Research and Reviews : A Journal of Biotechnology · Vol. 10, Issue 3, 2020 · pp. 12–20 Read article
-
Innovative Polymer Membranes for Enhanced Gas Separation: Applications in Energy and Environmental Technologies
Abstract: Energy and environmental technology could benefit greatly from novel gas-separation membranes, especially those based on new polymers. This includes the design and characterization of new polymer membranes with enhanced selectivity and permeability for critical industrial gas separations like CO₂/CH₄ as well as CO₂/H₂. Using molecular design strategies, the membranes are addressed toward properties relevant for gas transport, which are important for applications that include carbon capture, natural gas purification, and …
Published in Journal of Polymer & Composites · Vol. 13, Issue 5, 2025 Read article
-
Microcontroller Based Automatic Thermal Control Mechanism in Small Scale Poultry Farm
Abstract: Improvements to poultry housing systems need to focus on providing an environment that satisfies the bird’s thermal requirements in brooding and rearing duration. Newly hatched birds have a poor ability to control body temperature, and require some form of supplementary heating, particularly in the first few days after hatch, particularly in too cold and too hot weather. This paper presents the design of automatic thermal control mechanism in small-scale poultry …
Published in Journal of Electronic Design Technology · Vol. 7, Issue 3, 2016 · pp. 1–6 Read article
-
Nucleonic Level Measurement in Fluid Catalytic Cracking Unit, Oil & Gas Refinery
Abstract: The measurement of ‘Level’ is crucial in an Industrial Process, as low levels can cause problems and damage equipment. In contrast, high levels can cause overflow and potentially create safety and environmental problems. When working with the Fluid Catalytic Cracking System Unit (FCCU) in Refineries, there are requirements for various types of level measurement instruments. One of them is the Nucleonic Level Measurement device used in the process involved in …
Published in Emerging Trends in Chemical Engineering · Vol. 11, Issue 3, 2024 · pp. 41–49 Read article
-
Modeling of Temperature Data of Coal Samples by Event-Time Continuum Analysis
Abstract: Time-event based analysis of temperature data modeling for coal samples by thermal camera and type-k thermocouple in algebraic approach are presented in this paper. Obtaining of different value for an identical factor, temperature (T), from coal and analysis of their acquiring mechanism in the light of mathematical morphism (→) are required to be defined with respect to time yet. Without proper interconnective function between two individual data modeling techniques of …
Published in OmniScience: A Multi-disciplinary Journal · Vol. 6, Issue 1, 2016 · pp. 16–35 Read article
-
Role of Reactive Extraction in Removal of Phenol from Wastewater
Abstract: Phenol is one of the most common organic water pollutants as it is highly toxic even at low concentration. Also, its presence in natural water can lead to the formation of substituted compounds during disinfection and oxidation processes. Reactive extraction method is found to be a capable alternate for separation of medium (300–3000 mg/l) to high (3000–6000 mg/l) concentration of phenol. The degree of extraction depends on nature of extractant, …
Published in Emerging Trends in Chemical Engineering · Vol. 3, Issue 1, 2016 · pp. 19–25 Read article
-
Optimized Performance Characteristics of a 450 nm Semiconductor Laser by Varying Differential Gain
Abstract: AbstractIn this work, the effects on the performance characteristics of a true-blue 3QW separate confinement heterostrcture edge-emitting laser are presented by varying differential gain. At the temperature of 300 K, the threshold current of the laser is . The peak material gain for the designed laser is obtained as and further used for the analysis of the performance characteristics of the designed double-heterostructure laser for the variation of differential gain. …
Published in Journal of Communication Engineering & Systems · Vol. 3, Issue 3, 2013 · pp. 26–35 Read article
-
Thermo Analysis and Optimization Design of Industrial Vapor Compression Refrigeration Systems
Abstract: A thermodynamic analysis is performed on three different configurations of R134a two stage vapor compression refrigeration systems designed to equip cold store rooms. For economic and commercial reasons relating to agricultural actvities in southern Tuniens, two seasonal food products, dates and poultry, are selected for storage at different temperatures. Performance optimisation of the refrigeration systems is investigated under various operating conditions in order to choose the most suitable for the …
Published in Journal of Refrigeration, Air conditioning, Heating and ventilation · Vol. 2, Issue 1, 2015 · pp. 30–54 Read article