Experimental Study on Flow Characteristics of the Electronic Expansion Valve with Variable Condition

Wang, Zhiyuan; Xu, Zhiming; Gao, Feng‐Juan; Rui, Shengjun

doi:10.1109/appeec.2010.5448932

Cited by 2 publications

(3 citation statements)

References 3 publications

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“…The electronic expansion valve (EEV) also gained much attention because of its faster, accurate, and high-precision response to the variable load with a widely regulated range, thereby exhibiting the potential to improve the control quality and energy-saving capabilities of refrigeration systems compared with TEV (Li et al 2004;Lui et al 2007;Wang et al 2010b). …”

Section: Efficient Expansion Valvementioning

confidence: 98%

“…Nowadays, the latest research on the A/C system also focuses on EEV as a replacement for the conventional expansion valve because of the quick response of the electrical signal. Wang et al (2010) highlighted that, with the growing popularity of energy-efficient air conditioners, the application of EEV has widened and many studies on EEV have focused particularly on its flow characteristics. Li et al (2004) described the improvement of the refrigerant flow control method using an EEV driven by a stepper motor in the AAC system.…”

Section: Electronic Expansion Valvementioning

confidence: 99%

“…This system adjusts its cooling capacity to meet the cooling loads by modulating the refrigerant mass flow rate continuously through the VCC and expansion valves; typically, EEV is used because of its fast response to the variable load, as well as its wide regulated range and high precision (Lui et al 2007;Wang et al 2010b). Each indoor unit is responsible for one zone with the shared outdoor (i.e., compressor and condenser) unit and another indoor unit.…”

Section: Variable Refrigerant Flow Air-conditioning Systemmentioning

confidence: 99%

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Achieving a better energy-efficient automotive air-conditioning system: a review of potential technologies and strategies for vapor compression refrigeration cycle

et al. 2015

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This article presents a review of potential technologies and strategies to develop an energyefficient automotive air-conditioner based on the vapor-compression refrigeration cycle system. This paper is broadly divided into two sections. The first is a review of component optimization (primary and secondary components) that enhances the energy efficiency of the automotive air-conditioning (AAC) system. The second presents a review of operational management and control that efficiently consumes energy in operating the AAC system while maintaining vehicular thermal comfort satisfaction. Some of the technologies and strategies described in this article are still conceptual and are the subject of ongoing research. However, the growing demand to reduce energy consumption by developing a new AAC system has led to an increasing number of related studies aimed at generating alternative conventional systems in the near future. Keywords Automotive air-conditioning system . Efficient component . Energy efficiency improvement . Operational management Nomenclature A/C Air-conditioning AAC Automotive air-conditioning CRC Conventional refrigerant cycle DEAC Dual-evaporator air-conditioning DX Direct expansion EEV Electronic expansion valve EV Electric vehicle EVDC Externally controlled variable capacity compressor FCC Fixed capacity compressor FDC Fixed displacement compressor FSTPID Fuzzy self-tuning proportional integral derivative HVAC Heating, ventilation, and air conditioning MEC Modified ejector cycle RV Revolving vane SC Standard cycle SEC Standard ejector cycle TEV Thermostatic expansion valve TPERC Two-phase ejector refrigerant cycle VAV Variable air volume VCC Variable capacity compressor VCR Vapor compression refrigeration Energy Efficiency

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Section: Efficient Expansion Valvementioning

confidence: 98%

Section: Electronic Expansion Valvementioning

confidence: 99%

Section: Variable Refrigerant Flow Air-conditioning Systemmentioning

confidence: 99%

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Achieving a better energy-efficient automotive air-conditioning system: a review of potential technologies and strategies for vapor compression refrigeration cycle

et al. 2015

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Cold Storage-Supported Air Conditioning System in Urban Transport Vehicles

Jarzyna¹,

Zieliński²,

Aftyka³

et al. 2016

J. Ecol. Eng.

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A bottleneck for the development of public transport vehicles is their electricity supply. Electric buses are almost exclusively equipped with electrochemical batteries, while nearly 40% of the energy is used in the processes of air conditioning. For this reason, we developed and built a demonstration system for storing thermal energy in public transport vehicles. The most important effects are: significant reduction of financial expenses and of the total weight of all batteries with the same amount of stored energy.

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Experimental Study on Flow Characteristics of the Electronic Expansion Valve with Variable Condition

Cited by 2 publications

References 3 publications

Achieving a better energy-efficient automotive air-conditioning system: a review of potential technologies and strategies for vapor compression refrigeration cycle

Achieving a better energy-efficient automotive air-conditioning system: a review of potential technologies and strategies for vapor compression refrigeration cycle

Cold Storage-Supported Air Conditioning System in Urban Transport Vehicles

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