Results 21 to 30 of about 4,944 (303)

Experimental Research on the Room Air Conditioner with Thermoelectric Subcooler

open access: yesZhileng xuebao, 2016
In the vapor compression refrigeration system, the increasing subcooling degree of air conditioner can improve the refrigerating capacity and the coefficient of performance (COP).
Jin Tingxiang, L
doaj   +1 more source

Effects of Outdoor Air Pollutants on Indoor Environment Due to Natural Ventilation

open access: yesAtmosphere, 2022
This study measured ventilation volumes and particle concentrations in indoor environments with open windows and doors. In addition, the effect of the airflow mode of the air conditioner on the ventilation volume and indoor particle concentration ...
Ayame Tamuro   +2 more
doaj   +1 more source

A Household Air-conditioner Adopting Low-Temperature Atmospheric Plasma (LTAP) for Sterilization of Airborne Microbes [PDF]

open access: yesE3S Web of Conferences
Household air conditioners are widely used for conditioning air temperature and dehumidification in the cooling season. However, the airflow created by the air-conditioner may promote airborne transmission of microbes.
Cai Shouming   +2 more
doaj   +1 more source

Studying the Indoor Environment and Comfort of a University Laboratory: Air-Conditioning Operation and Natural Ventilation Used as a Countermeasure against COVID-19

open access: yesBuildings, 2022
In this study, the indoor air quality and thermal environment of a university facility were analyzed when an air conditioner was operated and natural ventilation was provided; the most effective natural ventilation method was also evaluated. The research
Ryoichi Kuwahara, Hyuntae Kim
doaj   +1 more source

Study on energy loss and thermal environment through door open while air conditioner running [PDF]

open access: yesE3S Web of Conferences, 2019
While air conditioner is running, opening doors and windows is a great way to reduce operating efficiency and undermine the air conditioning system’s ability to bring the indoor to a comfortable temperature.
Lee Sihwan
doaj   +1 more source

The Effect of Air leakage through the Air Cavities of Building Walls on Mold Growth Risks

open access: yesEnergies, 2020
Mold growth poses a high risk to a large number of existing buildings and their users. Air leakage through the air cavities of the building walls, herein gaps between walls and air conditioner pipes penetrating the walls, may increase the risks of ...
Yonghui Li   +5 more
doaj   +1 more source

Flow in the Room affected by Air from Air-conditioner

open access: yesJournal of the Visualization Society of Japan, 2004
In this research, the air flow of an air-conditioner is quantified and it is the purpose to save the energy by searching for an optimal conditions which are supply air velocity and angle. It experiments about the model room which diminished to one sixth toward the wall tapestry air-conditioner.
TOYAMA, Takashi   +4 more
openaire   +2 more sources

Impacts of room temperature on the performance of a portable propane air conditioner

open access: yes, 2015
The performance of a portable propane air conditioner system, in which the temperatures of the air passing over the condenser and evaporator are equal, has been experimentally investigated under different room temperatures and refrigerant charge levels ...
Tangalajuk Siang, Jeri, Sharifian, Ahmad
core   +1 more source

Computational fluid dynamics analysis in the ductless whole-house air conditioning system [PDF]

open access: yesE3S Web of Conferences, 2020
Recently, the heat load for space heating in residential houses has been reduced as airtightness, and thermal insulation performance has been improving even in moderate climate regions of Japan.
Tasaka Rie   +3 more
doaj   +1 more source

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