Results 1 to 10 of about 239,642 (189)

Economic analysis of two kinds of water heaters in service industry [PDF]

open access: yesE3S Web of Conferences, 2021
Taking a barber shop in Dezhou City of Shandong Province as an example, this paper calculates the required heat by using 300 liters of 40 °C hot water every day, introduces the working principle and system characteristics of electric water heater and ...
Liu Chunhua, Zhao Yulei, Qu Zhuangzhuang
doaj   +1 more source

Quantification of the Impact of Solar Water Heating and Influence of Its Potential Utilization through Strategic Campaign: Case Study in Dimbaza, South Africa

open access: yesEnergies, 2022
This paper ascertained the performance of the evacuated tube solar water heater (SWH) coupled with an auxiliary electric heater with reference to the replaced electric water heater with the same storage tank capacity (200 L) in a building.
Sinethemba Peter   +3 more
doaj   +1 more source

Guideline for green design of water heater products [PDF]

open access: yesE3S Web of Conferences, 2019
This paper investigates the overseas and domestic backgrounds for green design of water heater products, regulates the purposes and basic principles of eco-design of water heater products, and provides the eco-design requirements, eco-design procedure ...
Zong Jianfang   +3 more
doaj   +1 more source

A RESEARCH ON THE NEW TYPE SOLAR WATER HEATING TANK WITH ENERGY SAVING [PDF]

open access: yesEuropean Journal of Materials Science and Engineering, 2019
Taiwan is a country with quite adequate amount of sunlight; even at the northern highlands solar-powered water heater will still be usable. However, the first generation conventional storage water heater and the second generation improved storage water ...
Chun-Te LEE
doaj   +1 more source

Heating reform of solar water heater in hot-summer and cold-winter zone

open access: yesXi'an Gongcheng Daxue xuebao, 2022
In order to assess the feasibility of solar water heater heating renovation in hot-summer and cold-winter areas, 761 households were investigated by field investigation method, and the pre-sent situation of heating and the application status of solar ...
LI Tao   +5 more
doaj   +1 more source

Analisis Performansi Solar Water Heater pada Rangkaian Instalasi Pengering Kabinet

open access: yesJurnal Keteknikan Pertanian Tropis dan Biosistem, 2022
Energi matahari sebagai sumber energi terbarukan dapat dimanfaatkan menjadi energy termal untuk proses pengeringan. Pengeringan menggunakan instalasi solar water heater, penukar panas, dan ruang pengering bahan.
Retno Damayanti   +2 more
doaj   +1 more source

Energy efficient tubular solar still for augmented yield using electrical heater

open access: yesEnergy Reports, 2022
In the present work, an experimental investigation is being carried out to increase the quality of fresh water produced by a tubular solar still connected to an electrical heater that is connected to a photovoltaic (PV) panel.
V. Senthil Nayagam   +8 more
doaj   +1 more source

Causes for inefficiency of water jacket heater and its improvement measures

open access: yesYou-qi chuyun, 2020
Considering the low thermal efficiency, high excess air coefficient and low load rate of the in-service water jacketheater of Shengli Oilfield, the relationship of the load rate, excess air coefficient and fouling resistance with the thermalefficiency of
Wei ZHANG   +5 more
doaj   +1 more source

Comparative thermo-economic analysis of regenerative Rankine cycles with two feed water heaters

open access: yesCase Studies in Thermal Engineering, 2021
Five configurations of regenerative Rankine cycle with two feed water heaters are compared in this paper. One configuration has two open feed water heaters (OFWH).
Somchart Chantasiriwan
doaj   +1 more source

Design of Solar Water Heater and Residential Building Integration Based on Chemical Energy Conversion Mode

open access: yesChemical Engineering Transactions, 2018
The new roof solar water heater is to convert renewable energy sources by chemical energy conversion mode. Under the premise that the roof meets the installation requirements of solar water heater, water heater can be integrated with the roof.
Ruozhu Wang   +3 more
doaj   +1 more source

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