Results 21 to 30 of about 1,076 (257)

Experimental Investigation on Refrigerant Charge Optimization of Vapor Compression Refrigeration System Driven by Oil-Free Linear Compressors

Machines
Vapor compression refrigeration systems account for a substantial share of global electricity consumption in residential and commercial applications, with environmental impacts arising from both energy use and refrigerant leakage.
Xueliang Fang, Xinwen Chen
doaj   +1 more source

Data‐Driven Materials Science for Energy‐Sustainable Applications

Advanced Materials, EarlyView.
Data‐driven approaches powered by artificial intelligence are transforming materials discovery for energy sustainability. This review examines how auto‐generated high‐quality materials databases and domain‐specific language models accelerate research in photovoltaics, thermoelectrics, batteries and magnetic materials. Applications involve extraction of
Jacqueline M. Cole
wiley   +1 more source

Fault Diagnosis for Refrigerant Charge in Heat Pump Systems at Urban Rail Transit Station

Chengshi guidao jiaotong yanjiu
ObjectiveIn low-temperature environment, the two-stage compression heat pump system exhibits higher heating efficiency compared to the single-stage heat pump system.
Rusheng FANG, Xing HAN, Yi LIAO, Binshan YU, Xinsheng XU   +4 more
doaj   +1 more source

Design and Cooling Performances of an Air Conditioning System with Two Parallel Refrigeration Cycles for a Special Purpose Vehicle

Applied Sciences, 2017
The objective of this study is to design and briefly investigate the cooling performances of an air conditioning system for a special purpose vehicle under various experimental conditions.
Moo-Yeon
doaj   +1 more source

Polyphenol‐Inspired Materials for Agricultural Applications

Advanced Materials, EarlyView.
This review outlines the use of polyphenol‐inspired materials for sustainable agriculture, highlighting their molecular design, interfacial assembly, structure–property relationships, and prospects toward precision agriculture, climate resilience, ecosystem protection, and circular bioeconomy strategies.
Haofu Liu, Omid Mazaheri, Zhixing Lin, Tianzheng Wang, Jingqu Chen, Yuang Gu, Xia Liang, Deli Chen, Frank Caruso   +8 more
wiley   +1 more source

Experimental Study on Optimal Refrigerant Charge of Multi-functional Air-conditioning Hot Water Heater

Zhileng xuebao, 2015
A new type of double-flow accumulator was developed, which can automatically adjust the amount of circulating refrigerant on the system of multi-functional air-conditioning/hot-water heater so that the system was more stable and efficient under multi ...
Wang Haifeng, Zhang Shoubing, Yuan Huihui, Sun Yajuan, Li Yuduo, Dong Shanshan   +5 more
doaj  

Experimental evaluation of a high temperature cascade heat pump based on refrigerant charge

Case Studies in Thermal Engineering
Global energy demand continues rising with technological advancement. Renewables like solar and wind are increasingly adopted, yet heating/cooling systems responsible for 40 % of building energy use require urgent efficiency improvements.
Xuelian Ma, Yue Fang, Qian Dai, Zhonglu He, Junlan Yang, Jingmeng Liu, Hongfu Zou   +6 more
doaj   +1 more source

All‐Amyloid Functional Coacervates

Advanced Materials, EarlyView.
This study introduces an all‐amyloid interfacial complex coacervate technique that employs charge‐mediated or functionalization‐assisted complexation of oppositely charged food protein‐derived amyloid nanofibrils to engineer functional soft constructs across multiple length scales.
Seyyed Alireza Hashemi, Mohammad Peydayesh, Laura Baraldi, Mohammad Arjmand, Raffaele Mezzenga   +4 more
wiley   +1 more source

Radiative Thermal Management for Extreme Environments: Mechanisms and Design Strategies

Advanced Materials, EarlyView.
In this review, we discuss the fundamental mechanisms of radiative cooling and solar heating, material and structural design strategies, hybrid approaches integrating additional heat transfer pathways, and durability‐oriented designs addressing environmental stresses.
Hyung Rae Kim, Haeseong Kim, Joo Hwan Ko, Gil Ju Lee, Dae‐Hyeong Kim, Young Min Song   +5 more
wiley   +1 more source

Control solutions for variable refrigerant flow systems in office buildings [PDF]

E3S Web of Conferences
Variable Refrigerant Flow (VRF) systems are widely adopted as high-efficiency solutions for office buildings. In Italy, the Conto Termico 3.0 scheme promotes the replacement of fossil-fuel boilers with heat pumps, fully recognizing VRF systems as ...
Hernández Francisco Fernández, Suárez Jose Miguel Peña, Cantalejo Juan Bandera, Huertas Daniel Pallarés, Truffo Davide, Marín Desirée Quintero   +5 more
doaj   +1 more source