Product Description:
Molas 3D: Advanced 3D Doppler Wind Lidar
The Molas 3D represents a cutting-edge three-dimensional scanning Doppler wind measurement lidar system. It is developed based on the principle of pulsed laser coherent Doppler frequency shift technology. By emitting pulsed laser beams and detecting the frequency shifts of backscattered signals from atmospheric aerosols, the system can accurately compute the line-of-sight wind speed and direction at various spatial points. This process enables precise high-resolution reconstruction of three-dimensional wind fields.
This lidar system supports a comprehensive range of scanning modes designed to meet diverse measurement needs:
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PPI (Plan Position Indicator):
Provides horizontal sector or full 360° scanning, ideal for mapping wind fields over extensive areas.
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RHI (Range Height Indicator):
Performs vertical elevation scans, which are suited for capturing vertical wind profiles and understanding boundary layer structures.
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DBS (Doppler Beam Swinging):
Uses multi-beam fixed-direction scans to accurately retrieve both horizontal wind vectors and vertical velocity components.
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Program Scan:
Allows for user-defined custom scanning trajectories, offering maximum flexibility for specialized research applications.
The Molas 3D system achieves a maximum acquisition distance of up to 15 kilometers and a sight detection range of 10 kilometers at an elevation of 600 meters. Vertically, the measurement can extend up to 4 kilometers. The distance resolution is configurable to 15 m, 30 m, 75 m, or 120 m, supporting up to 300 distance layers for detailed data capture. Its line-of-sight wind speed range spans from −75 m/s to +75 m/s with an impressive accuracy of 0.1 m/s. Additionally, the scanning head offers 360° horizontal rotation combined with a vertical tilt from −10° to 190°, maintaining a pointing accuracy of ±0.005°, thereby ensuring highly reliable and repeatable measurements.
Designed for a variety of challenging applications, the Molas 3D excels in:
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Offshore Wind Resource Assessment:
Delivering precise wind mapping over marine areas where conventional meteorological masts are impractical or costly.
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Complex Terrain Research:
Capturing the intricate wind flow patterns found in mountainous regions, hills, and valleys with highly inhomogeneous wind characteristics.
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Wind Turbine Wake Detection:
Visualizing and analyzing wake deficits and turbulence behind turbines to optimize wind farm layouts and reduce fatigue loads.
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Airport Glide Path Wind Shear Warnings:
Providing early warning of hazardous wind shear conditions along aircraft approach paths to enhance aviation safety.
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Urban Meteorological Observation:
Monitoring wind dynamics within city canyons to aid in urban planning and pollution dispersion studies.
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High-Altitude Turbulence Detection:
Observing atmospheric turbulence at high elevations to support aviation operations and climate research.
The system is engineered for dependable performance even in harsh environmental conditions. It operates reliably within a temperature range of −40°C to +60°C and tolerates humidity levels from 0% to 95% RH (non-condensing). The robust housing is rated IP65, while internal components meet the more stringent IP66 protection standards. Data management is highly flexible: data can be stored locally for periods ranging from 5 to 18 months in standard .csv format, and transmitted via 1000BASE-TX Ethernet or through 4G remote access. Furthermore, the system offers multiple output interfaces including Profibus DP, Modbus TCP, and CAN, enabling seamless integration with various control and data acquisition platforms.
Combining reliable performance, adaptable scanning modes, and broad application versatility, the Molas 3D stands out as a premier solution for advanced wind measurement and atmospheric research. It empowers industries with accurate, data-driven insights to support confident decision-making.
Features:
Comprehensive Measurement Capabilities
This system offers detailed measurement of the 3D wind field, allowing refinement across up to 300 customized distance layers. Such extensive data collection ensures highly accurate and insightful wind analysis.
Wide Detection Range
Featuring a sight detection distance of up to 10 kilometers within an altitude of 600 meters, this device can cover large areas effectively, making it suitable for extensive environmental monitoring.
Exceptional Precision
The system boasts remarkable pointing accuracy of 0.005 degrees and a visual direction wind speed accuracy of 0.1 meters per second, guaranteeing precise and reliable data readings.
Diverse Scanning Techniques
Equipped with multiple scanning methods, including PPI, RHI, DBS, and programmable arbitrary scan modes, the device provides versatile options suitable for various measurement requirements.
Flexible and Convenient Deployment
Its compact and lightweight design allows for easy transportation and setup, enabling rapid transitions between locations and efficient construction of measurement stations.
All-Weather Durability
Designed to endure harsh outdoor conditions, the system can operate reliably within LPZ₀ᵇ lightning protection zones, ensuring continuous performance regardless of environmental challenges.
Secure and Safe Operation
Incorporating GPS location reporting and geo-fencing features, along with robust data encryption, the device ensures both operational safety and protection against data leakage risks.
Customizable Configurations
Users can choose from four distance resolution options and five accumulation time settings, allowing tailored configurations to meet specific measurement needs.
Technical Parameters:
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Data Output
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Profibus DP/Modbus TCP/CAN Optional
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Maximum Acquisition Distance
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15km
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Accumulation Time
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0.2~10s Optional
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Sight Wind Speed Accuracy
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0.1m/s
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Sight Detection Distance
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10km (under The Height Of 600m)
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Vertical Measuring Distance
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4km
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Storage Temperature
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-40 ~ +70°C
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Distance Resolution
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15m/30m/75m/120m
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Scanning Method
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PPI, RHI, DBS And Program Scan
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Vertical Range
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-10°~190°
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Applications:
Wind Energy
Wind energy harnesses the natural movement of air to generate electricity. It is a clean and renewable source of power that plays a significant role in reducing dependence on fossil fuels and decreasing greenhouse gas emissions.
Meteorology
Meteorology is the scientific study of the atmosphere and weather patterns. It involves analyzing various atmospheric phenomena to predict weather conditions and understand climate dynamics, which are critical for agriculture, disaster preparedness, and daily life.
Civil Aviation
Civil aviation encompasses all non- flying activities, including commercial airlines, private planes, and air cargo transport. It is a vital part of global transportation infrastructure, facilitating international trade and travel.
Air Quality Monitoring
Air quality monitoring involves assessing the levels of pollutants in the atmosphere to protect public health and the environment. Continuous inspection and measurement help identify sources of pollution and guide policies for cleaner air.
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