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42 articles for “Absorption cycle”
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Thermodynamic Analysis of Single Effect, Double Effect and Multi Effect LiBr/H2O Vapour Absorption Refrigeration Cycle
Abstract: Abstract Energy is most important parameter in any industry. If energy is not saved, it would go waste. Vapour absorption refrigeration system is the best solution for waste heat utilization. The vapour absorption cycle has low COP compared to vapour compression cycle. So, study of thermodynamic analysis on cycle is required. In this study, COP and heat required for different cycles is compared. The COP of single effect, double effect …
Published in Journal of Refrigeration, Air conditioning, Heating and ventilation · Vol. 4, Issue 1, 2017 · pp. 43–55 Read article
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Performances of NH3-H2O Vapour Absorption Refrigeration Cycles
Abstract: To achieve vital enhancements on micro-scale to buildings, cooling, heating and power systems for residential and light-weight industrial buildings, absorption cooling technology gift a chance. Their resultant effects are effective, energy economical and economical recent developments in. This study thus contributes a vital information and methodology within the development, fabrication and application of an absorption icebox as a higher various to the normally used mechanical device refrigerators. 2 fluid gas …
Published in Journal of Refrigeration, Air conditioning, Heating and ventilation · Vol. 6, Issue 1, 2019 · pp. 9–13 Read article
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Heat Transfer in Single Effect Solar Assisted LiBr-H2O Absorption Refrigeration Cycle
Abstract: This paper describes the heat transfer model of LiBr-H2O vapour absorption cooling system implemented in engineering equation solver (EES). The detailed first law analysis of the system is presented. Effects of operating temperature and pressure on the heat load in various components, coefficient of performance (COP), and circulation ratio of the system have been carried out. Impact of solution heat exchanger effectiveness on system performance is also studied. The study …
Published in Journal of Alternate Energy Sources & Technologies · Vol. 7, Issue 2, 2016 · pp. 1–11 Read article
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Waste Heat Driven Hybrid Refrigeration System: A Review
Abstract: The objective of this paper is to describe a newly-developed hybrid refrigeration system .This hybrid refrigeration system , combination of a vapor compression refrigeration system driven by the high grade electrical energy and heat driven an absorption refrigeration system .Absorption system activated by waste heat available from the condenser of vapour compression system to produce the required necessary temperature in generator to vaporize refrigerant. However an electrical heater in the …
Published in Journal of Refrigeration, Air conditioning, Heating and ventilation · Vol. 7, Issue 2, 2020 · pp. 49–57 Read article
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Bioprocessing of Used X-ray Films for Silver Recovery by Thermoalkaliphilic Protease from Thermus aquaticus YT-1
Abstract: An environmentally benign enzymatic method for recovery of silver and polyethylene from used X-ray films was developed. This industrially scalable enzymatic process for the recovery of silver was investigated using the thermophilic alkaline protease from Thermus aquaticus YT-1. The rate of gelatin hydrolysis of X-ray film increased with the temperature till 70 ºC, suggesting enzyme stability till 70 ºC. Further, pH 10 was optimum for this process. Transparent polyethylene film …
Published in Research and Reviews : A Journal of Biotechnology · Vol. 2, Issue 2, 2012 · pp. 30–38 Read article
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Low-Grade Heat Recovery: Emerging Materials and Systems for Efficient Utilization
Abstract: Low-grade heat (LGH), generally characterized by temperatures below 200°C, constitutes a significant portion of wasted thermal energy in industrial, commercial, and even residential processes. Despite its vast availability, the efficient recovery and utilization of LGH remains underdeveloped due to its inherently low exergy content and the limitations of traditional heat recovery technologies. The creation of cutting-edge materials and creative system-level approaches for LGH recovery has accelerated significantly as companies continue …
Published in International Journal of Energy and Thermal Applications · Vol. 3, Issue 1, 2025 · pp. 24–29 Read article
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Influence of Al2O3 Nanofiller on Morphological and Discharge Studies of PVP: CH3COOK Films
Abstract: Nanocomposite polymer (NCP) films were prepared by doping potassium acetate with polyvinyl pyrrolidone (PVP) by complete dispersion of aluminum oxide (Al2O3) with different wt% proportions by using solution-casting method. The acquired NCPs films were characterized systematically. The crystalline structure of the prepared NCPs films was confirmed by XRD. The little agglomeration and grain sizes involved in the films were analyzed by SEM. The energy bandgap values were observed to be …
Published in Research & Reviews : Journal of Physics · Vol. 8, Issue 1, 2019 · pp. 20–25 Read article
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Assessing the Influence of Loading Mode and Stabilization on the Deformation of Gypseous soil
Abstract: Gypseous subgrade soil usually exhibit acceptable strength when compacted with optimum moisture requirement and tested in dry condition. However, it loses its strength when came in touch with water. Such behaviour possesses a risk of failure when such soil is implemented in the construction of roadway embankment. In the present investigation, Gypseous soil was implemented in the construction of eight embankment models. The first model was the soil tested in …
Published in Journal of Geotechnical Engineering · Vol. 10, Issue 2, 2023 · pp. 34–40 Read article
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Smart Biopolymer–PCM Composite Modules with Embedded Wireless Thermal Sensing for Autonomous Energy Storage Applications
Abstract: The development of multifunctional polymer composite systems for intelligent thermal energy storage has gained significant attention due to the increasing demand for sustainable and autonomous thermal management technologies. In the present study, a wireless-integrated biopolymer–phase change material (PCM) composite module embedded with thermal feedback sensors was successfully fabricated and experimentally investigated for advanced thermal energy storage applications. Polylactic acid (PLA) was employed as the biodegradable polymer matrix, while paraffin wax …
Published in Journal of Polymer & Composites · Vol. 14, Issue 4, 2026 · pp. 193–205 Read article
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Comparative Analysis of Natural vs. Synthetic Antioxidant during Deep-Fat Frying of Potato Chips
Abstract: The aim of this study was the comparative analysis of natural antioxidant derived from rosemary extract, mixed tocopherol, alpha tocopherol, Ascorbyl Palmitate with synthetic antioxidant (TBHQ) during deep fat frying. Palm oil with tertiary butylhydroquinone (TBHQ), a synthetic antioxidant, and palm oil without any added antioxidant were used as positive controls. Thermo-oxidative transformations were measured according to various physical and chemical parameters. Total polar compounds (TPC), free fatty acids (FFA), …
Published in Research & Reviews : Journal of Food Science & Technology · Vol. 4, Issue 2, 2015 · pp. 1–12 Read article
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Analysis of Absorption System
Abstract: First law and second law analysis have been applied to different types of refrigeration systems which include vapor compression refrigeration system, desorber cycle and triple effect cycle. Quantitative analysis was applied and equations were solved in engineering equation solver. Energy and exergy equations were applied to each system and parametric analysis was applied to get results.
Published in Journal of Automobile Engineering and Applications · Vol. 7, Issue 1, 2020 · pp. 1–11 Read article
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Characteristics of PWC-11 in Atomic Reactors
Abstract: AbstractCarbon (0.1%) addition to basic Nb – 1 Zr alloy has introduced carbide precipitation to enhance desirable properties. Precipitation hardened PWC – 11 compared to solid solution hardened Nb – 1 Zr alloys show no appreciable changes by low cycle fatigue behavior, even failure modes are also similar i.e. intergranular cracking. Selections of suitable alloys are considered for resistance to high temperature in extraterrestrial environments and resistant to radioactive neutron …
Published in Journal of Nuclear Engineering & Technology · Vol. 9, Issue 2, 2019 · pp. 37–46 Read article
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Mannan-Rich Fractions in Poultry Nutrition: A Sustainable and Defensive Strategy against Antimicrobial Resistance
Abstract: Antimicrobial resistance (AMR) has evolved to be a significant global threat, menacing worldwide health and food security. Its proliferation in poultry farming has spurred the search for sustainable, non-antibiotic alternatives. One promising alternative is Mannan-Rich Fractions (MRFs), which is derived from Saccharomyces cerevisiae. These bioactive compounds not only support poultry health but also aid in suppressing pathogenic bacteria without contributing to resistance. This review brings together current studies highlighting how …
Published in Recent Trends in Infectious Diseases · Vol. 3, Issue 2, 2026 · pp. 1–16 Read article
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In Silico Induced-Fit Molecular Docking and Pharmacokinetic Investigations of Pentacyclic Compounds as Promising Inhibitors of Cyclooxygenase-2 (COX-2) and Lipoxygenase (LOX)
Abstract: The current search involves the discovery of cyclooxygenase-2 (COX-2) (PDB ID: 3LN1) and lipoxygenase (LOX) (PDB ID: 1N8Q) inhibitory potentials of some pentacyclic macromolecules by employing the Maestro 9.1 software where Glide module was utilized for the induced-fit docking (IFD). In addition to it, the critical pharmacokinetic aspects such as QPPMDCK, QPlogPo/w, % human oral absorption, QPPCaco, and QPlogS were estimated. The study fruitfully opened the therapeutic pharmacodynamic perspectives and …
Published in Research & Reviews: A Journal of Drug Design & Discovery · Vol. 5, Issue 2, 2018 · pp. 13–17 Read article
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Pharmacokinetic Study of Iron Absorption from Unani Compound Formulation in Animals
Abstract: Background: Iron is an indispensable element for survival and normal functioning of the human cells. It is required for a large number of biochemical reactions in the cells. It is a vital component of haemoglobin, myoglobin, cytochromes, catalases and many other enzyme systems like Krebs cycle. It is essential for oxygen transport and oxidation reactions in cells. Iron deficiency is the most prevalent deficiency disorders of human beings in the …
Published in Research & Reviews : A Journal of Unani, Siddha and Homeopathy · Vol. 10, Issue 1, 2023 · pp. 1–5 Read article
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Thermoacoustic Properties of 1-Propanol-n-Hexane and 1-Propanol-Cyclohexane Binary Mixtures: A Comparative Study at 298.15 K
Abstract: This study reports the measurement of ultrasonic velocity (U), viscosity (η), and density (ρ) for the binary liquid mixtures 1-propanol–n-hexane and 1-propanol–cyclohexane at 298.15 K over the full composition range (mole fraction 0.1–0.9). From the experimentally measured data, several important thermodynamic and acoustic parameters, including isentropic compressibility (βₐ), acoustic impedance, intermolecular free length, free volume (Vf), and internal pressure (πᵢ), were systematically derived to assess the magnitude and nature of …
Published in Journal of Modern Chemistry & Chemical Technology · Vol. 17, Issue 1, 2026 · pp. 19–31 Read article
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Anti-inflammatory Potentials of Various Oxine Compound Series as Cyclooxygenase-2 (COX-2) and Lipoxygenase (LOX) Inhibitors: Induced-Fit Molecular Docking and Pharmacokinetic Prediction Studies
Abstract: The present investigation is an exploration of multiple oxine series in inhibiting crucial anti-inflammatory targets such as cyclooxygenase-2 (COX-2) (PDB ID: 3LN1) and lipoxygenase (LOX) (PDB ID: 1N8Q) by employing the Glide module of Maestro 9.1 software for induced fit docking (IFD). The study also focuses in exploration towards the essential pharmacokinetic parameters (QPlogPo/w, QPlogS, predicted aqueous solubility, QPPCaco, QPPMDCK, and percentage of human oral absorption). The study highlighted the …
Published in Research and Reviews : Journal of Computational Biology · Vol. 7, Issue 3, 2018 · pp. 16–23 Read article
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Design and Analysis of a Low Loss Polarization Maintaining Waveguide for Transmission of THz Waves
Abstract: AbstractThis paper presents the design of a novel porous core kagome lattice photonic crystal fiber (PCF) which acts as a low loss and polarization maintaining teraheartz (THz) waveguide. Using finite element method (FEM), properties of the proposed PCF are simulated in details including the effective material loss (EML), confinement loss, single mode propagation. Cyclic olefin copolymer, also known as TOPAS material have been chosen for the air micro structured inhibited …
Published in Trends in Opto-electro & Optical Communication · Vol. 6, Issue 3, 2016 · pp. 13–22 Read article
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Advances in Solubility Enhancement Strategies for Poorly Water-soluble Drugs: A Comprehensive Review
Abstract: Solubility enhancement holds significant importance in the field of pharmaceutical research as it aims to augment the solubility and bioavailability of drugs that possess low solubility. Poorly soluble drugs pose a considerable challenge in drug development due to their tendency to display inadequate absorption, bioavailability, and therapeutic efficacy. The advancement of solubility enhancement techniques encompasses a wide range of approaches, including physical and chemical methods, as well as innovative technologies …
Published in International Journal of Vaccines · Vol. 1, Issue 1, 2024 · pp. 01–09 Read article
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Anticancer Potential and Other Therapeutic Activities of Curcumin & Its Derivatives
Abstract: Curcumin, a compound isolated from turmeric, is used in the management of various diseases due to its extensive medicinal properties. Curcumin, the principal polyphenol isolated from Curcuma longa (turmeric), has garnered immense scientific interest for its extensive medicinal properties, including potent anti-inflammatory, antioxidant, and anticancer activities demonstrated in preclinical models. An expanding body of research indicates broad therapeutic promise in managing diverse pathologies, from various cancers to chronic inflammatory, metabolic, …
Published in Emerging Trends in Metabolites · Vol. 3, Issue 1, 2026 · pp. 19–28 Read article