The international Association for Hydro-Environment Engineering and Research (lAHR), founded in 1935, is a worldwide independent organization of engineers and water specialists working in fields related to the hydro-environmental sciences and their practical application. Activities range from river and maritime hydraulics to water resources development and eco-hydraulics, through to ice engineering hydro-informatics and continuing education and training. IAHR stimulates and promotes both research and its application and by doing so it strives to contribute to sustainable development, the optimization of world water resources management and industrial flow processes.

IAHR accomplishes its goals by a wide variety of member activities including working groups, research agenda, congresses, specialty conferences, workshops and short courses; journals, monographs and proceedings; by involvement in international programs such as UNESCO, WMO, IDNDR, GWP, ICSU and by co-operation with other water-related (inter)national organizations.

IAHR comprises of several technical divisions, provides operational framework for the Committees. The IAHR-Committee on Hydraulic Machinery and Systems deals with the advancement of technology associated with the understanding of steady and unsteady flow characteristics in hydraulic machinery and conduit systems connected to the machinery. The technology elements include the fluid behavior within machine components, hydro-elastic behavior of machine components, cavitation, and two-phase flow in turbines and pumps, hydraulic machine and plant control systems, the use of hydraulic machines to improve water quality, and even considerations to improve fish survival in their passage through hydro plants. Included in two phase pumping are gas oil pumps and sand laden water. Because model tests and laboratory tests carried out in laboratories must be scaled down from the prototypes, studies of size and pressure scale effects are also a central research field. The research work in the Committee forms the basic study for the IEC standards code dealing with hydraulic machinery for hydroelectric power plants.

The main emphases of the IAHR Committee on Hydraulic Machinery and Systems are to stimulate research and understanding of the technologies associated with hydraulic machinery and to promote interaction between the machine designers, machine users, the academic communities, and the communities at large. Hydraulic machinery is both cost effective and environmentally responsible. The increasing atmospheric content of carbon dioxide related to pollution from thermal power plants, is one of the most significant threats to our global ecology. The problem is exacerbated by the need for increased energy production in developing countries. This results in rising global temperatures and dramatic changes in climate which may also result in flooding in parts of our globe. Energy conservation together with replacement of coal and oil-fired power plants are, therefore, needed. The development and installation of more efficient hydroelectric power plants which work hand in hand with water storage and flood protection is part of this strategy. Waterpower is the most significant "renewable resource". The goals of this IAHR Committee are to improve the value of hydraulic machinery to the end user and to society and to improve society's understanding and appreciation of that value.

To meet its objectives, the Committee focuses on the best possible exchange of technical knowledge through collegial contacts by arranging Committee Symposia every second year, between the IAHR Congresses. The Symposia are designed to attract scientists and engineers from industries, universities, consultants and users of hydraulic machinery. In addition, specialized symposia are organized focusing on the subjects of its 3 working groups:

  • WG1 - "Cavitation and Dynamic Problems in Hydraulic Machinery and Systems";
  • WG2 - "Latin America Working Group";
  • WG3 - "Asian Working Group".

In recent years, water conservancy and hydropower in Asia have been developed dramatically. Hydraulic machinery like pump, pump turbines and etc., are widely used in project construction. There are plentiful scientific and technical payoffs achieved within the related researches. "Asian Working Group" has held three symposiums on hydraulic machinery and systems, which are:

The 4th IAHR Asian working group Symposium on Hydraulic Machinery and Systems will be organized by Tsinghua University and Xinhua Hydropower Company Limited during 12-16 August 2023 at Kashgar China. Tsinghua University organized the 1st IAHR AWG symposium with supported by other 8 universities and enterprises, it is an honor to organize the prestigious symposium again. The preparation of the symposium was started during the period of the Executive Committee meeting of IAHR 2022 Norway, the key members of Asian Working Group of IAHR had a discussion about the location, decided to have IAHR 2023 Asia in China. The organization of the symposium was led by Prof. WANG Zhengwei. The organizing committee welcomes all researchers, scholars and professionals around the world to participate in this symposium, and hope all attendees enjoy the stunning scenery, tasty food and mysterious history together in Kashgar.



Supporting Organizations´╝Ü

Institute of Fluid Mechanics and Engineering
Department of Energy and Power Engineering
Tsinghua University
Beijing 100084, CHINA
Tel:+86-17303218612; +86 15223210659
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