Results 11 to 20 of about 92,247 (252)

Sustainable Buildings: Heating, Ventilation, and Air-Conditioning

Energies, 2022
The built environment sector is responsible for a significant proportion of the final global energy consumption [...]
John Kaiser Calautit, Hassam Nasarullah Chaudhry   +1 more
doaj   +2 more sources

Heating, ventilation and air conditioning (HVAC) in intensive care unit

Critical Care, 2020
The aim of this review is to describe variation in standards and guidelines on ‘heating, ventilation and air-conditioning (HVAC)’ system maintenance in the intensive care units, across the world, which is required to maintain good ‘indoor air quality’ as
Sai Saran, Mohan Gurjar, Arvind Baronia, Vijayalakshmi Sivapurapu, Pralay S. Ghosh, Gautham M. Raju, Indubala Maurya   +6 more
doaj   +2 more sources

Empirical model for fitting the viscosity of lithium bromide solution with CuO nanoparticles and E414

Frontiers in Energy Research, 2023
To research viscosity fitting model of stable nano-lithium bromide solution (nano-LiBr), the stability of the nano-LiBr and the dynamic viscosity of LiBr were measued by Ultraviolet-visible spectroscopy (UV-vis) and rotational viscometer respectively ...
Jiheng Li, Gang Wang, Gang Wang, Jitong Li, Xiao Li, Yuexi Liu, Qunli Zhang, Qunli Zhang   +7 more
doaj   +1 more source

Review on Fault Detection and Diagnosis Feature Engineering in Building Heating, Ventilation, Air Conditioning and Refrigeration Systems

IEEE Access, 2021
Faults are inevitable in building energy systems, such as heating, ventilation, air conditioning and refrigeration systems. With the increasing utilization of these systems, their fault detection and diagnosis has become more significant for maintaining ...
Guannan Li, Yunpeng Hu, Jiangyan Liu, Xiumu Fang, Jing Kang   +4 more
semanticscholar   +1 more source

Optimization of intelligent heating ventilation air conditioning system in urban building based on BIM and artificial intelligence technology

Computer Science and Information Systems, 2021
The study aims to effectively reduce building energy consumption, improve the utilization efficiency of building resources, reduce the emission of pollutants and greenhouse gases, and protect the ecological environment.
Zhonghui Liu, Gongying Jiang
semanticscholar   +1 more source

Application of a Model Based on Rough Set Theory (RST) for Estimating the Temperature of Brine from Vertical Ground Heat Exchangers (VGHE) Operated with a Heat Pump—A Case Study

Energies, 2023
This work presents the results of a study that used a model based on rough set theory (RST) to assess the brine temperature of vertical ground heat exchangers (VGHEs) to feed heat pumps (HP).
Joanna Piotrowska-Woroniak, Tomasz Szul, Grzegorz Woroniak   +2 more
doaj   +1 more source

A Simple Preparation Method of Graphene and TiO₂ Loaded Activated Carbon Fiber and Its Application for Indoor Formaldehyde Degradation

Separations, 2022
Formaldehyde has a significant impact on human health. This study used a simple dipping method to load graphene-titanium dioxide (GR-TiO2) on activated carbon fibers (ACFs).
Fang Liu, Xuezhi Gao, Man Peng
doaj   +1 more source

Numerical simulation of factors influencing the efficiency of a horizontal gas filter

You-qi chuyun, 2021
The performance of the filter elements configured at the gas station and the user entrance changes dynamically with the service conditions. If the filter element is not cleaned and replaced in time, the gas passing efficiency will be affected seriously ...
Peng XU, Wei LIU, Xun YUAN, Zhengxiong ZHANG, Yaxuan XIONG   +4 more
doaj   +1 more source

Progress of research on leakage diffusion of gas pipelines

You-qi chuyun, 2022
Gas pipelines in China have gradually entered the stage of frequent accidents, and gas leakage will increase the safety risk of pipeline operation, even resulting in personnel casualties.
Peng XU, Dandan PAN, Xun YUAN, Zhengxiong ZHANG, Yaxuan XIONG   +4 more
doaj   +1 more source

Causes of hot and cold water system failure [PDF]

MATEC Web of Conferences, 2019
The paper presents causes of the failures of hot and cold water systems. Most often they occur in the case of installations built with metal pipes and result from the use of improper materials and the adoption of wrong solutions.
Szaflik Władysław
doaj   +1 more source