两轮摩托车（L3类）尾气一氧化碳含量分析数据

两轮摩托车（L3类）采用火花塞放电点火燃烧，燃烧后产物发生高温离解倾向，特别是某些死区点不着火或在某些工况下断火，使排放物中含有一氧化碳(CO)。因此对车辆尾气一氧化碳含量进行检测，为两轮摩托车尾气排放是否合格提供事实依据，为环保监管和车辆管理提供数据支持。1.数据采集：对两轮摩托车（L3类）尾气一氧化碳含量进行检测。2.数据检测：稀释气体由排放尾气和环境空气混合而成，利用空气中氧气浓度值，分析仪测得尾气中CO浓度以及稀释气体中CO浓度，可得到进入流量计的排放尾气被空气稀释的比例；测量的结果经温度和压力修正，获得标准体积流，根据尾气的稀释比例，计算出排放尾气的实际流量。根据尾气成份浓度和尾气流量，可测出两轮摩托车尾气中排放污染物含量。该数据和底盘测功机检测发动机实际输出功率相结合，实时分析车辆在负荷工况下排气污染物的排放质量。3.数据处理：CO=1/s*V*dco*COc/106，其中S为行驶距离，单位KM；V为尾气的实际流量，单位为L;一氧化碳在温度为293.2K，大气压力为101.33kPa时的密度，dco=1.164kg/m3；COc稀释排气中一氧化碳的容积浓度，单位为10-6（V/V）。一氧化碳限值为2.0（g/km），超过该数值为不合格。4.数据应用：通过检测数据分析研判，可以判断两轮摩托车（L3类）尾气一氧化碳含量是否超标，为环保监管和车辆管理提供数据支持。

Two-wheeled motorcycles (category L3) adopt spark plug ignition combustion. The combustion products tend to undergo high-temperature dissociation, especially in some dead zones where ignition fails or misfires occur under certain operating conditions, resulting in carbon monoxide (CO) in their emissions. Therefore, detecting the carbon monoxide content in vehicle exhaust provides a factual basis for verifying whether the exhaust emissions of two-wheeled motorcycles (category L3) meet the standards, and offers data support for environmental supervision and vehicle management.

1. Data Collection
Detect the carbon monoxide content in the exhaust gas of two-wheeled motorcycles (category L3).

2. Data Detection
The diluted gas is formed by mixing exhaust emissions and ambient air. Using the oxygen concentration in the air, the analyzer measures the CO concentration in the exhaust gas and the CO concentration in the diluted gas, thereby obtaining the dilution ratio of the exhaust gas entering the flowmeter by air. The measured results are corrected for temperature and pressure to obtain the standard volumetric flow rate, and the actual flow rate of the exhaust gas is calculated based on the dilution ratio of the exhaust. According to the concentration of exhaust components and the exhaust flow rate, the emission pollutant content in the exhaust gas of two-wheeled motorcycles can be measured. Combined with the actual output power of the engine detected by the chassis dynamometer, this data is used to conduct real-time analysis of the emission quality of exhaust pollutants under the vehicle's load conditions.

3. Data Processing
The calculation formula is CO = (1/S) * V * dco * COc / 10^6, where S is the travel distance with the unit of kilometer (km); V is the actual flow rate of exhaust gas with the unit of liter (L); dco is the density of carbon monoxide at a temperature of 293.2 K and atmospheric pressure of 101.33 kPa, with dco = 1.164 kg/m³; COc is the volume concentration of carbon monoxide in the diluted exhaust gas, with the unit of 10⁻⁶ (V/V). The allowable limit for carbon monoxide is 2.0 (g/km), and values exceeding this limit are deemed non-compliant.

4. Data Application
Through analysis and evaluation of the detection data, it can be determined whether the carbon monoxide content in the exhaust gas of two-wheeled motorcycles (category L3) exceeds the standard, providing data support for environmental supervision and vehicle management.

搜集汇总

数据集介绍

特点

该数据集包含535条两轮摩托车（L3类）尾气一氧化碳含量检测数据，用于环保监管和车辆管理，数据通过特定算法检测和处理。