Results 1 to 10 of about 258,971 (249)

The performance of room air conditioner with Cooling Seasonal Performance Factor (CSPF) in Jakarta and Bandung, Indonesia [PDF]

open access: yesE3S Web of Conferences, 2023
Cooling Seasonal Performance Factor (CSPF) is one of methods for measuring the performance of a room air conditioner to assess its energy efficiency and, therefore, its effect on climate change and environmental impact.
Setyawan Andriyanto   +5 more
doaj   +1 more source

Uniformity and energy evaluation of equal cross-section ventilation system(ECVS) for long tunnel in underground buildings

open access: yesEnergy and Built Environment, 2022
Uniform ventilation is important for the safety of long tunnel in underground buildings, it is difficult to install the large size air duct to ensure the centerline of each cross-section of the traditional variable cross-section ventilation system(VCVS ...
Qi Deng   +5 more
doaj   +1 more source

Experimental Study of Vibration on Pipe Conveying Fluid at Different End Conditions for Different Fluid Temperatures [PDF]

open access: yesEngineering and Technology Journal, 2019
Dynamic behavior of a copper pipe conveying fluid at different fluid temperatures is investigated experimentally. Three types of supports are used, which are simply support - simply support, fixed – fixed support and fixed – free support.
Kayser Ameen   +2 more
doaj   +1 more source

Performance comparison of DME and R134a refrigerants in a room air conditioner: Effect of subcool and superheat [PDF]

open access: yesE3S Web of Conferences
The demand for environmentally friendly refrigerants arises to anticipate two global environmental issues: global warming and climate change. The use of environmentally friendly refrigerants is one of the efforts to address these issues.
Setyawan Andriyanto   +2 more
doaj   +1 more source

Promotion and practice of an online service offering Traditional Chinese Medicine constitution conditioning under the normalization of epidemic prevention and control (疫情防控常态化背景下中医体质调理服务线上推广与实践)

open access: yes中西医结合护理, 2022
Objective To explore the feasibility and effectiveness of an online service offering Traditional Chinese Medicine (TCM) physique conditioning under the normalization of epidemic prevention and control.
MA Qian (马茜)   +9 more
doaj   +1 more source

Performance Evaluation and Optimization of A Refrigerant Distributor for Air Conditioner

open access: yesJournal of Thermal Science and Technology, 2008
Refrigerant mal-distribution in a distributor located at the inlet of a heat exchanger used for an air conditioning system plays an important role in the heat exchanger performance.
Shun YOSHIOKA   +2 more
doaj   +1 more source

Tribological behaviors of laser textured surface under different lubrication conditions for rotary compressor

open access: yesScientific Reports, 2023
Tribological behaviors of laser textured surface with elliptical dimples were experimentally compared with that of the smooth one under different lubrication conditions, including the poor-oil, rich-oil and dry lubrication.
Shaopeng Ding   +4 more
doaj   +1 more source

The Impact of Placement-Related Effects in Air-Cooled Cooling Chillers on Energy Efficiency [PDF]

open access: yesE3S Web of Conferences
In air-cooled chillers, it is recommended to leave specific distances between elements such as walls surrounding the air-cooled chillers to advance heat transfer.
Özel Burak, Kavas Süleyman
doaj   +1 more source

Experimental investigation of cold-side airflow effects on the performance of a thermoelectric cooling system [PDF]

open access: yesE3S Web of Conferences
This study investigates the effect of cold-side airflow on the performance of a thermoelectric cooling system. A test chamber equipped with a single thermoelectric module (TEC-12710) was developed, featuring a controlled damper to regulate airflow across
Prasetyo Bowo Yuli   +4 more
doaj   +1 more source

A New 3-Day Standardized Eyeblink Conditioning Protocol to Assess Extinction Learning From Infancy to Adulthood

open access: yesFrontiers in Behavioral Neuroscience, 2020
Associative learning can be observed from the neonatal period onward, providing opportunities to examine changes in basic learning and memory abilities.
Carolin Konrad   +8 more
doaj   +1 more source

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