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  1. No Access

    Article

    Investigation on the high-feed milling of M28

    The outstanding combination of strength and fracture toughness as well as the high strength-to-weight ratio make the metastable β titanium alloy an ideal material for aviation applications. The machining of metas...

    Yifan Jiang, Xu Yang, Hui Tian, Liangdong Ma… in The International Journal of Advanced Manu… (2023)

  2. No Access

    Article

    Numerical investigation on the longitudinal distribution characteristics of falling film flow outside a vertical tube

    In order to design the vertical falling film evaporators applied in the sewage source heat pump systems, a numerical study employing the VOF (Volume of Fluid) method has been carried out to determine the thick...

    Tianjiao Zhang, Liangdong Ma, Jili Zhang in Heat and Mass Transfer (2021)

  3. No Access

    Chapter and Conference Paper

    Research on Electricity Consumption Characteristics of Centralized Air Conditioning Units for Data Restoration of Building Energy Consumption Monitoring Platform

    The air handling unit (AHU) is an indispensable end device in the central air conditioning system; its true continuous energy consumption data has important reference value for energy-saving renovation and is ...

    Terigele Ujeed, Tianyi Zhao, Liangdong Ma… in Proceedings of the 11th International Symp… (2020)

  4. No Access

    Chapter and Conference Paper

    A Modular Indoor Air Quality Monitoring System Based on Internet of Thing

    With the problem of environmental pollution becoming more and more serious, people pay more and more attention to indoor air quality, because more than 80% of the time spent in the indoor environment. This pap...

    Liang Zhao, Guangwen Wang, Liangdong Ma… in Communications, Signal Processing, and Sys… (2020)

  5. No Access

    Chapter and Conference Paper

    Evaluation Methods and Index System for Data Quality of Public Building Energy Consumption Monitoring Platforms

    The process of the constructing and operating building energy consumption monitoring platforms (BECMPs) has last for more than a decade in China. In the meantime, a lot of problems occurred, such as data loss ...

    Huiyu Yan, Liangdong Ma, Jili Zhang in Proceedings of the 11th International Symp… (2020)

  6. No Access

    Chapter and Conference Paper

    The Optimization of Sensitivity Coefficients for the Virtual in Situ Sensor Calibration in a LiBr–H2O Absorption Refrigeration System

    The correct data or information from the building sensing networks plays a vital role in the operation algorithms. The sensor errors usually show a negative effect on the performance of control, diagnosis, and...

    Peng Wang, Kaihong Han, Liangdong Ma… in Proceedings of the 11th International Symp… (2020)

  7. No Access

    Chapter and Conference Paper

    Experimental Study on the Influence of Fouling Growth on the Flow and Heat Transfer of Sewage in the Heat Exchange Tube

    Fouling growth in pipes is a basic problem in the design and application of sewage source heat pump systems. After investigation, in the design of the operating parameters of the sewage source heat pump actual...

    Shunzhi Chen, Liangdong Ma, Zhiyuan Zhang… in Proceedings of the 11th International Symp… (2020)

  8. No Access

    Chapter and Conference Paper

    Repair Method of Chiller Power Consumption Monitoring Data Based on Multiple Linear Regression Model

    With the gradual advancement of energy-saving work in public buildings, the number of energy monitoring systems continues to increase. However, due to the low level of information management, quality problems ...

    Zhuyue Chai, Tianyi Zhao, Liangdong Ma… in Proceedings of the 11th International Symp… (2020)

  9. No Access

    Chapter and Conference Paper

    Research on Energy Consumption Data Characteristics of Office Building VRV Air Conditioning Outdoor Unit Based on Energy Consumption Monitoring Platform

    For VRV outdoor unit, the energy consumption models of air conditioning are not preferably fit for the identification and repair of data in the energy consumption monitoring platform. New characteristic models...

    Liangdong Ma, Fengmei Lu, Jili Zhang… in Proceedings of the 11th International Symp… (2020)

  10. No Access

    Chapter and Conference Paper

    Experimental Study on Effect of Water Flow Rate on Heating Performance of a Series Bathing Wastewater Source Heat Pump Hot Water Unit

    To maximize the recovery of heat energy from bathing wastewater, a two-series-connected bathing wastewater source heat pump hot water unit (SCBWSHP) with large temperature difference was proposed. Its rated de...

    Liangdong Ma, Tixiu Ren, Tianyi Zhao… in Proceedings of the 11th International Symp… (2020)

  11. No Access

    Article

    Experimental study on thermal performance of filled-type evacuated tube with U-tube

    The filled-type evacuated tube with U-tube, in which the filled layer is used to transfer energy absorbed by working fluid in the U-tube, is proposed to eliminate the effect of thermal resistance between the a...

    Ruobing Liang, Liangdong Ma, Jili Zhang, Dan Zhao in Heat and Mass Transfer (2012)

  12. No Access

    Article

    A general structural design methodology for multi-hole orifices and its experimental application

    Compared to single-hole orifices (SOs), multi-hole orifices (MOs) have smaller orifice sizes and various patterns of orifice distribution. The geometric description of MOs is more complex, increasing the diffi...

    Tianyi Zhao, Jili Zhang, Liangdong Ma in Journal of Mechanical Science and Technology (2011)