1-3. 최적 압축비 이상으로 증가할 때 오히려 크랭크 축으로 전달되는 torque가 감소하는 이유 ?
압축비를 증가시킴으로써 엔진의 효율을 상승시킬 수 있다. 그러나 압축비를 무한정 높이지 못하는 원인들이 있는데 가솔린 엔진에서 압축비 제한의 가장 주요한 요인은 knocking이다.
연소가 일어날 때 화
Application II - 열병합발전
낮은 품질의 가스도 연료로 가능
폐열 활용으로 에너지 효율 증가
송전 손실 제거
Application III – UAV & IT 용
높은 에너지 밀도요구
Long-lasting power source
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MGT의 장/단점
장점 단점
높은 발전효율(70~84%)
유지보수에 편리
높은 전기 품질
환경
turbine,
Actual Rankine cycle
In a real Rankine cycle, the compression by the pump and the expansion in the turbine are not isentropic. In other words, these processes are non-reversible and entropy is increased during the two processes. This somewhat increases the power required by the pump and decreases the power generated by the turbine.
In particular the efficiency of the steam turbine
efficient.
I unexpectedly found a potential solution for all of these issues while I was fulfilling my task at one of my suppliers, General Electric (GE). I was there because I was working on a power plant project that involved a gas turbine that needed to be examined. Once I arrived, I was surprised to learn about the company’s application of data collection and analytics to the turbine. After
efficient.
I unexpectedly found a potential solution for all of these issues while I was fulfilling my task at one of my suppliers, General Electric (GE). I was there because I was working on a power plant project that involved a gas turbine that needed to be examined. Once I arrived, I was surprised to learn about the company’s application of data collection and analytics to the turbine. Afte