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19 articles for “fresh air”
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HVAC Design by Using Green Building Norms
Abstract: An HVAC system can be describing as a system which removes the heat from a desired space by pumping the heat from one place to another which result a cooling effect, also by lowering the temperature. HVAC work for a good indoor air quality by using latest filtering technologies. The major components of the HVAC system are, Heat exchanger, Evaporator coil, Thermostat, Refrigerant lines, Condensing unit, drain piping system, electrical …
Published in Journal of Production Research & Management · Vol. 11, Issue 3, 2021 · pp. 1–10 Read article
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Design of a HVAC System for an Entire Hotel
Abstract: HVAC&R systems stands for (heating, ventilation, air conditioning and refrigeration). These systems are particularly used in thermal industries and other commercial offices. The main aim of the project is to design an energy efficient and cost efficient HVAC system for a given layout of a hotel. This project particularly deals with the heat load calculation, selection of materials, selection of systems taking into consideration of various factors like :- Structure …
Published in Journal of Production Research & Management · Vol. 10, Issue 2, 2020 · pp. 17–19 Read article
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Understanding Airborne Pathogens: Pathways, Risks, and Control Strategies
Abstract: Airborne transmission is the transfer of germs through the air, mostly by respiratory droplets and aerosols that come out when you cough, sneeze, talk, or breathe. These particles can stay in the air for a long time and move a long way, especially in small or poorly ventilated places. Mycobacterium tuberculosis, measles virus, varicella-zoster virus (chickenpox), influenza virus, and more recently, SARS-CoV-2 are all infections that can be spread through …
Published in International Journal of Pathogens · Vol. 2, Issue 2, 2025 Read article
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Study of a Mist Enhanced Evaporative Cooler
Abstract: Comfort air conditioning through vapour-compression refrigeration is commonly used and is the energy-intensive system. That to split air conditioning system is being employed to create cooling in closed spaces which lag in fresh air supply leading to an increase in carbon dioxide concentration in the cooled space. This is of very much concern towards to maintain indoor air quality. Evaporative Cooling (or Desert Cooling) concept is also a known phenomenon …
Published in Journal of Refrigeration, Air conditioning, Heating and ventilation · Vol. 12, Issue 3, 2025 · pp. 1–13 Read article
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Development of Herbal Mosquitoes repellent candle
Abstract: Citronella oil and essential oil are commonly used for their insect-repellent properties. They’re important for creating natural insect repellents, candles, and sprays, offering a safer alternative to chemical-based products. Citronella oil is particularly effective against mosquitoes, making it invaluable for outdoor activities and protecting against insect-borne diseases like malaria and Zika virus. Its pleasant scent also adds to its appeal as a natural air freshener. In a mosquito repellent study, …
Published in Recent Trends in Cosmetics · Vol. 1, Issue 2, 2024 · pp. 8–12 Read article
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Critical Review on Photocatalytic Polymer Nanocomposites for Indoor Air Purification in Hotels
Abstract: The indoor air quality has become a key measure of health, comfort, and customer satisfaction of a hospitality setting. The challenges that continually affect hotels especially because of volatile organic compounds (VOCs), particulate matter, and microbial pollutants that are present in cleaning agents, furnishing, and human activity. In this regard, the photocatalytic polymer nanocomposites are one of the sustainable and efficient means of purifying indoor air. These materials combine photocatalysts …
Published in Journal of Polymer & Composites · Vol. 14, Issue 2, 2026 · pp. 527–541 Read article
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A Comparative Study to Assess the Knowledge Regarding Food Adulteration, its Detection and to Create Awareness among Homemakers Regarding Food Safety Standards in Selected Rural and Urban Community of Drug District, Chhattisgarh
Abstract: Health is wealth; happiness lies in the health of man. Good health helps to develop charm, grace and happy mind. Florence Nightingale recognizes the radically changed outcomes by addressing clean water, nourishing food, light and fresh air. Good nutritive food plays very vital role in maintaining proper health and also helps in prevention and cure of diseases. All body functions like metabolic, hormonal, mental, physical or chemical cannot be performed …
Published in Journal of Nursing Science & Practice · Vol. 9, Issue 1, 2019 · pp. 50–70 Read article
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Experimental investigation of humidification-dehumidification desalination system
Abstract: The aim of present study is to investigate an H-DH desalination system experimentally. The system consists of a solar air heater, a humidifier, and a dehumidifier connected with an evaporative cooler. The proposed system is operated in a closed loop configuration, at two airflow rates. The performance metrics are assessed via the examination of energy and economic factors. The solar air heater has the ability to produce hot air with …
Published in Journal of Polymer & Composites · Vol. 12, Issue 2, 2024 · pp. 104–113 Read article
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Chemical Profile and Toxicity of Fresh and Dry leaves of the Essential Oils of Vetiveria zizanioides (L.) Nash. From Southwest Nigeria
Abstract: The fresh and dry leaves of Vetiveria zizanioides (L.) Nash (Gramineae) plant was collected, air dried and authenticated at the University of Ibadan Herbarium with voucher number: UIH-23237. The plant's dried, fresh leaves were hydro distilled in a Clevenger device to extract the essential oils. The oils were characterized by Gas Chromatography-Mass Spectrometry (GC – MS) while the toxicity of the essential oils was tested using brine shrimps’ lethality assay. …
Published in Recent Trends in Cosmetics · Vol. 1, Issue 1, 2024 · pp. 44–49 Read article
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An Experimental study on Strength parameters of OPC, PPC and Geopolymer Mortars
Abstract: Geopolymer mortar is a new trend in mortars, manufactured with fine aggregate and geopolymers like fly ash and silica fume, which gets activated by alkaline solutions like sodium silicate solutions. Research work on geopolymer based mortars is attaining more scope in present era because of its sustainable properties and easy availability. The study, includes to evaluate the strength in compression and bond strengths of different mortars in different curing methods, …
Published in Journal of Structural Engineering and Management · Vol. 9, Issue 3, 2022 · pp. 21–27 Read article
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In Vivo Hypoglycemic Activity of Aqueous Leaf and Root Extracts of Macaranga Barteri Müll. Arg. (Euphorbiaceae) In Swiss Albino Mice
Abstract: Background: Macaranga barteri Müll. Arg. is a perennial plant in the family Euphorbiaceae and is used in African traditional medicine for the management of several ailments, including diabetes. Although the leaves and stem bark have been studied for various pharmacological activities, little is known about the therapeutic value of the roots. Objective: This study evaluated the in vivo hypoglycemic activity of aqueous leaf and root extracts of M. barteri in …
Published in Research and Reviews : Journal of Veterinary Science and Technology · Vol. 15, Issue 2, 2026 · pp. 60–78 Read article
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EFFECT OF EXPOSURE OF CEMENT ON THE COMPRESSIVE STENGTH OF CONCRETE
Abstract: Concrete has become the bedrock of infrastructural civilization in Nigeria as over 75% of the infrastructures in Nigeria have to do with concrete. Most times, Engineers design for a particular grade of concrete and Post-construction checks shows that concrete is defective of this strength and exposure of cement is observed to be one of the causative factors. In this study, the effect of exposure of cement on the compressive strength …
Published in Trends in Transport Engineering and Applications · Vol. 6, Issue 1, 2019 · pp. 34–44 Read article
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Green Hydrogen Production Using Air-Conditioner Condensate Wastewater: A Review of Solar-Powered Electrolysis Systems
Abstract: As the world moves toward sustainable and clean energy solutions, growing attention has been directed toward alternative energy carriers such as Hydrogen (H 2 ). Hydrogen is considered an attractive energy option due to its high-density energy and ecofriendly properties. However, most conventional H 2 production methods rely on fossil-fuel-based processes such as steam methane reforming and coal gasification, which contribute significantly to greenhouse gas emissions and environmental degradation. As …
Published in Journal of Alternate Energy Sources & Technologies · Vol. 17, Issue 2, 2026 Read article
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Application of Evaporative Cooling in Mushroom Farming: A Tube in Tube Type Evaporative Cooler
Abstract: The effort focuses on mushroom production using evaporative cooling. It has various advantages over conventional cooling techniques, including the ability to drop the temperature based on environmental conditions, the usage of 80 percent less energy than air conditioning, and the cost and maintenance requirements. With proper preparation, evaporative cooling in agriculture can assist lower the temperature and high relative humidity. Also, it helps in storing goods in cold storage using …
Published in Recent Trends in Fluid Mechanics · Vol. 9, Issue 1, 2022 · pp. 25–29 Read article
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Moringa Leaf Powder: A Natural Superfood with Nutritional Potential
Abstract: Malnutrition can be described by excesses, imbalances, or shortages in an individual’s energy and nutritional intake, according to the World Health Organization (WHO). The plant Moringa oleifera, which is indigenous to India, thrives in tropical and subtropical regions all over the world. The nutritional properties of Moringa are high and it is rich in calcium. The nutritional value of fresh moringa leaf is ranged as protein 6.9 g, ash 1.5–2.5%, …
Published in Emerging Trends in Metabolites · Vol. 2, Issue 1, 2025 · pp. 28–34 Read article
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Drying Characteristics of Moringa (Moringa oleifera) Leaves
Abstract: Moringa oleifera belongs to Moringaceae family whose leaves carries bundles of nutrients and vitamins. In this study, moringa leaves were dried and quality was evaluated under different drying temperatures viz, 40, 50, 60, & 70ºC. The initial moisture content of the fresh moringa leaf was found to be 73.20 % on a wet basis or 273.0% on dry basis. In tray drying the final moisture content of dried moringa leaves …
Published in Research & Reviews : Journal of Herbal Science · Vol. 14, Issue 1, 2025 · pp. 15–23 Read article
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Concept of Stability of Drugs in Unani Perspective
Abstract: Stability of a pharmaceutical product can be defined as the capability of a particular formulation, in a specific container closure system to remain within its physical, chemical, microbiological, therapeutic and toxicological specifications. According to ancient Unani physicians shelf life of a drug is determined by organoleptic characters of the drugs i.e., external features, color, smell, taste, consistency, structure, weight, clarity, cleanliness and freshness. In classical Unani literature there is a …
Published in Journal of AYUSH: Ayurveda, Yoga, Unani, Siddha and Homeopathy · Vol. 4, Issue 2, 2015 · pp. 1–4 Read article
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Sustainable Architecture for Rural Communities: The Tanzanian Family House Model
Abstract: Sustainable rural housing in East Africa must respond simultaneously to climatic stress, water scarcity, sanitation challenges, and socio-cultural practices. This article presents the Tanzanian Family House as a climate-responsive and resource-efficient housing model developed specifically for rural Tanzanian communities. The project integrates low embodied energy materials, passive environmental strategies, and decentralized infrastructure systems to create a durable and culturally grounded dwelling that can be constructed using local skills and materials. …
Published in International Journal of Rural and Regional Development · Vol. 4, Issue 1, 2026 · pp. 1–12 Read article
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A Novel Method for the Preparation of Eco-enzymes
Abstract: A novel method for the production of an eco-enzyme has been developed. The eco-enzyme prepared is a complex solution produced by fermentation of fresh kitchen waste (fruit and vegetable dregs), sugar (brown sugar, jaggery or molasses sugar) and water. It is dark brown and has a strong sweet sour fermented scent. Eco enzyme is a multipurpose liquid and its applications cover household, agriculture, animal husbandry etc.The enzyme prepared can be …
Published in Journal of Catalyst & Catalysis · Vol. 7, Issue 1, 2020 · pp. 6–12 Read article