2025年3月15日 · Therefore, the ammonia/biodiesel dual-fuel (ABDF) combustion mode is a new green and low-carbon combustion technology. In this study, the experimental investigation of ABDF engine performance at different ammonia substitution ratios (ASRs) and loads based on a modified four-cylinder common-rail engine has been conducted.

where ASR ohmic is area-normalized resistance of fuel cell, also known as area-specific resistance (ASR) (Ω cm 2). Also resistance scales with the thickness (length: L ) via: (8.29) AS R ohmic = L / σ

2019年7月10日 · Ex situ characterization methods of protective coatings involve chromium evaporation measurements, area specific resistance (ASR) measurements and long-term exposure tests. To replicate stack conditions, commonly used ASR measurement setups should be further developed.

Area specific resistance is the resistance offered by unit area of the cell. Can be calculated by dividing the total thickness of the MEA by effective conductivity of the MEA. Got a...

结果表明，与电压降相比，固有 asr 增量是识别燃料不足发生的更灵敏和稳健的标准。 通过设置恒定的 ASR 阈值，这项工作将极大地有利于避免燃料匮乏的进展。

Download scientific diagram | Area specific resistance (ASR) and ohmic resistance (Rohm) values of the LSC|BCZY|LSC symmetrical cell measured in air and wet air at different temperatures from ...

2023年4月1日 · It is found that ASR is a more sensitive and robust criterion to determine fuel starvation compared to the cell voltage. The robustness of ASR is reflected in that the ASR values of all the segments are almost identical and stable at about 1 …

1 天前 · The ASR in fuel cell operation reveals details about the oxidation process of H 2 and/or CO, leading to H 2 O and/or CO 2 generation. Conversely, the ASR for electrolysis provides details about reducing H 2 O and/or CO 2, resulting in H 2 and/or CO . Specific reports in the literature show a lower ASR value in SOEC than in SOFC .

The difference of the two ASR values, or ASR total − ASR ohmic , is thus a measure of the polarization losses of the fuel cells, and is designated as ⌬ ASR .

When current is drawn form a fuel cell the voltage decrease below the Emf, the bigger drop, the higher the current density. This voltage drop is often referred to as cell polarisation.