Results 61 to 70 of about 101,645 (198)

A Year-Round Energy-Efficient Fresh Air Handling System with Two-Stage Heat Pumps and Lake Water Pre-Treatment [PDF]

open access: yesE3S Web of Conferences
Supplying fresh air is important for indoor air quality, but the energy consumption to treat fresh air is significant. The main problems in existing fresh air system include: supplying single-temperature water to treat fresh air and not applying natural ...
Liang Chenjiyu, Li Xianting
doaj   +1 more source

Impact of COVID-19 Case Numbers on the Emission of Pollutants from a Medical Waste Incineration Plant

open access: yesAerosol and Air Quality Research, 2022
This article examines the correlation between the amount of pollutants emitted from medical waste incinerator plant and the number of COVID-19 infections, based on the example of Podlaskie Voivodeship in Poland.
Monika Załuska   +2 more
doaj   +1 more source

Energy efficient HVAC systems

open access: yesEnergy and Buildings, 2018
Abstract To achieve energy efficient Heating, Ventilation and Air Conditioning (HVAC) systems in buildings it is essential to enhance the designs of their various integrated mechanical and electrical components and to control and operate plant optimally.
Jouhara, H, Yang, J
openaire   +3 more sources

BUILDING ENVELOPE AND INTERIOR GRADING SYSTEMS AND METHODS [PDF]

open access: yes, 2019
A difference module determines differences between an outdoor ambient temperature and an indoor temperature, determines a first average of the differences , and determines a second average of the differences.
Alsaleem, Fadi Mohammad
core   +1 more source

Municipal Energy Management: Best Practices from DVRPC's Direct Technical Assistance Program [PDF]

open access: yes, 2016
This guide highlights best practices and lessons learned from municipal energy management projects in southeastern Pennsylvania. In 2013 and 2014, DVRPC worked with nine municipalities in southeastern Pennsylvania to provide direct technical assistance ...

core  

Geothermal air conditioning: typical applications using deep-warm and shallow-cool reservoirs for cooling in Perth, Western Australia

open access: yesInternational Journal for Simulation and Multidisciplinary Design Optimization, 2014
Geothermal heat is a sustainable form of alternative energy, commonly associated with the production of electricity along tectonic plate boundaries and in volcanically active zones. Outside of these special regions however it is rare to find a geothermal
Whittaker Peter B.   +4 more
doaj   +1 more source

Modeling and Optimization of Complex Building Energy Systems with Deep Neural Networks

open access: yes, 2017
Modern buildings encompass complex dynamics of multiple electrical, mechanical, and control systems. One of the biggest hurdles in applying conventional model-based optimization and control methods to building energy management is the huge cost and ...
Chen, Yize, Shi, Yuanyuan, Zhang, Baosen
core   +1 more source

HVAC SYSTEM REMOTE MONITORING AND DIAGNOSIS [PDF]

open access: yes, 2019
A monitoring system for an HVAC system of a building includes a monitoring server located remotely from the building. The monitoring server receives, from a device installed at the building, (i) time-domain current data based on a measured aggregate ...
Abiprojo, Priotomo   +3 more
core   +1 more source

Parallel operation of diode-rectifier based HVDC link and HVAC link for offshore wind power transmission

open access: yesThe Journal of Engineering, 2019
This paper investigates the integration of large offshore wind farms using parallel HVAC and diode-rectifier based HVDC (DR-HVDC) systems. Three different operation modes, i.e.
Lujie Yu, Rui Li, Rui Li, Lie Xu
doaj   +1 more source

Screening of energy efficient technologies for industrial buildings' retrofit [PDF]

open access: yes, 2011
This chapter discusses screening of energy efficient technologies for industrial buildings ...
Fisher, Dan   +4 more
core  

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