'1772'

'16'

'去复式紧缩机级的现实轮回指示功'

''

'去,复式,紧缩机,级,的,现实,轮回,指示,功,'

'1.按指示图曲线求功 当已知现实紧缩机轮回指示图时，指示功的求取一般采取数值积分的方式来入行。 如图所示，指示功w,可表达为n一指示图按去复行程2S 平分条块数; 式中Op,一任一条'

'170'

'1'

'未知'

'9'

'/wenti/1772.html'

'0'

'0'

''

'2019-04-08 09:19:52'

'2019-04-08 09:19:52'

'113'

''

''

array (
)

'<h3>1.按指示图曲线求功</h3><p>当已知现实紧缩机轮回指示图时，指示功的求取一般采取数值积分的方式来入行。</p><p>如图所示，指示功w,可表达为n一指示图按去复行程2S 平分条块数; 式中Op,一任一条块上、下限压力差(Pa);AS逐一条块平分宽度(m)。</p><p>在用计算机求积中，为了计算利便，经常把指示图的横坐标用曲轴转角来表现。那么， 功的计算就按角度平分入行累加。</p><p style="text-align: center;"><img alt="压缩机热力参数指示图" src="2018/1228/2098.jpg" /></p><h3>2.按已知暖力参数求指示功</h3><p>起首把现实指示图简化成如图所示的外形，指示图面积a-b-c-d-a 可望成是面积a- b-c&#39;-d&#39;a 与面积c&#39;d&#39;d-c 之差，对抱负气体的指示功这里n和m 分离是两个进程的多变指数。</p><p>由于式中一名义压力比;</p><p>8O逐一入、排气进程总的相对压力丧失，一般取品=B,+ 8p;</p><p>8,一-相对入气压力丧失，B,=Op,/p;</p><p>8,逐一相对排气压力丧失，6,= Op/p。</p><p>经由简化，使得现实指示图中的a点产生下移，如许，计算式就在整个紧缩行程中少计进了一部门功。</p><p>级的压力比越年夜，少计人的功就越多。是以，为了减小计算偏差，计算式中的p,应当用对付现实气体, 斟酌到紧缩性的影响,用于紧缩机设计时估价功的耗费比力利便。</p><p>计算时进程指数可参考相似的机械拔取，一般情形下，取n=(0.95~1)n,对低压级和高压力比的微型机械，取下限值; 对高转速和高压级取上限值。</p><p>相对压力丧失可参照图拔取，图中实线是依照8o=0.15/p.2绘出的， 并以为入气相对压力丧失8,=0.38。,排气相对压力丧失8p=0.78o。</p><p>后者比例较年夜是由于排气进程除了气阀外还要斟酌到中间寒却器、液气分别器等的压力丧失。</p><p>对功率指标要求较高的机械可取虚线值，但在设计中要顾及气阀及其通道的压力损 掉确凿能到达既定值。</p><p>对付小型高压紧缩机，假如功率指标不是较重要的，可按实线拔取。</p>'

'去,复式,紧缩机,级,的,现实,轮回,指示,功,'

array (
  '去' => 'http://www.010fusheng.com/article/search/keyword-%E5%8E%BB.html',
  '复式' => 'http://www.010fusheng.com/article/search/keyword-%E5%A4%8D%E5%BC%8F.html',
  '紧缩机' => 'http://www.010fusheng.com/article/search/keyword-%E7%B4%A7%E7%BC%A9%E6%9C%BA.html',
  '级' => 'http://www.010fusheng.com/article/search/keyword-%E7%BA%A7.html',
  '的' => 'http://www.010fusheng.com/article/search/keyword-%E7%9A%84.html',
  '现实' => 'http://www.010fusheng.com/article/search/keyword-%E7%8E%B0%E5%AE%9E.html',
  '轮回' => 'http://www.010fusheng.com/article/search/keyword-%E8%BD%AE%E5%9B%9E.html',
  '指示' => 'http://www.010fusheng.com/article/search/keyword-%E6%8C%87%E7%A4%BA.html',
  '功' => 'http://www.010fusheng.com/article/search/keyword-%E5%8A%9F.html',
)

array (
)

array (
  'id' => '1771',
  'catid' => '16',
  'title' => '空压机车间年夜功率电炉接线端子的制造方式',
  'thumb' => '',
  'keywords' => '空压机,车间,年夜,功率,电炉,接线端子,的,',
  'description' => '空压机车间转化器内装的100kW 电阻炉，其接线端子有五项基础要求: ①.要求密封不漏气; ②.能蒙受二氧化硫气体侵蚀; ③.持久蒙受6009C 以上温度不老化; ④.能经由过程交换电流150A 以上',
  'hits' => '88',
  'uid' => '1',
  'author' => '未知',
  'status' => '9',
  'url' => 'http://www.010fusheng.com/wenti/1771.html',
  'link_id' => '0',
  'tableid' => '0',
  'inputip' => '',
  'inputtime' => '1554685412',
  'updatetime' => '1554685412',
  'displayorder' => '113',
  'filename' => '',
  'shorttitle' => '',
  'myflag' => '',
)

array (
  'id' => '1773',
  'catid' => '16',
  'title' => '空压机打消冒火及安装安全气道玻璃的问题',
  'thumb' => '',
  'keywords' => '空压机,打消,冒火,及,安装,安全,气道,玻璃,的,',
  'description' => '1.打消空压机冒火问题 绕线型异步电念头在运行中，有时因跳动或因集电环轻度偏疼而产生空压机冒火的征象。 打消空压机冒火问题的简朴有用措施是:在每一个 相的两组空压机上顶角',
  'hits' => '119',
  'uid' => '1',
  'author' => '未知',
  'status' => '9',
  'url' => 'http://www.010fusheng.com/wenti/1773.html',
  'link_id' => '0',
  'tableid' => '0',
  'inputip' => '',
  'inputtime' => '1554689012',
  'updatetime' => '1554689012',
  'displayorder' => '113',
  'filename' => '',
  'shorttitle' => '',
  'myflag' => '',
)

'1554686392'

'1554686392'

''

'去复式紧缩机级的现实轮回指示功_常见问题_技术中心_复盛空压机(华北)总代理'

'去,复式,紧缩机,级,的,现实,轮回,指示,功'

'1.按指示图曲线求功 当已知现实紧缩机轮回指示图时，指示功的求取一般采取数值积分的方式来入行。 如图所示，指示功w,可表达为n一指示图按去复行程2S 平分条块数 式中Op,一任一条'

array (
  'id' => '16',
  'tid' => '1',
  'pid' => '9',
  'mid' => 'article',
  'pids' => '0,9',
  'name' => '常见问题',
  'dirname' => 'wenti',
  'pdirname' => 'jishu/',
  'child' => 0,
  'childids' => 16,
  'domain' => '',
  'mobile_domain' => '',
  'thumb' => '',
  'show' => '1',
  'content' => ' ',
  'setting' => 
  array (
    'disabled' => '0',
    'linkurl' => '',
    'urlrule' => 1,
    'seo' => 
    array (
      'list_title' => '常见问题',
      'list_keywords' => '',
      'list_description' => '',
    ),
    'template' => 
    array (
      'pagesize' => '10',
      'mpagesize' => '10',
      'page' => 'page.html',
      'list' => 'list_article.html',
      'category' => 'index_article.html',
      'search' => 'search.html',
      'show' => 'article_article.html',
    ),
    'cat_field' => '',
    'module_field' => '',
    'html' => 0,
  ),
  'displayorder' => '0',
  'pcatpost' => 0,
  'topid' => '9',
  'catids' => 
  array (
    0 => '16',
  ),
  'is_post' => 1,
  'url' => '/wenti',
  'total' => '-',
  'field' => 
  array (
  ),
)

array (
  'id' => '9',
  'tid' => '1',
  'pid' => '0',
  'mid' => 'article',
  'pids' => '0',
  'name' => '技术中心',
  'dirname' => 'jishu',
  'pdirname' => '',
  'child' => 1,
  'childids' => '9,8,15,16,17,19',
  'domain' => '',
  'mobile_domain' => '',
  'thumb' => '',
  'show' => '1',
  'content' => '',
  'setting' => 
  array (
    'disabled' => '0',
    'linkurl' => '',
    'urlrule' => 1,
    'seo' => 
    array (
      'list_title' => '技术中心',
      'list_keywords' => '',
      'list_description' => '',
    ),
    'template' => 
    array (
      'pagesize' => '10',
      'mpagesize' => '10',
      'page' => 'page.html',
      'list' => 'list_article.html',
      'category' => 'list_article.html',
      'search' => 'search.html',
      'show' => 'article_article.html',
    ),
    'cat_field' => '',
    'module_field' => '',
    'html' => 0,
  ),
  'displayorder' => '0',
  'pcatpost' => 0,
  'topid' => '9',
  'catids' => 
  array (
    0 => '9',
    1 => '8',
    2 => '15',
    3 => '16',
    4 => '17',
    5 => '19',
  ),
  'is_post' => 0,
  'url' => '/jishu',
  'total' => '-',
  'field' => 
  array (
  ),
)

1

array (
  'catid' => '16',
)

array (
  'id' => '9',
  'tid' => '1',
  'pid' => '0',
  'mid' => 'article',
  'pids' => '0',
  'name' => '技术中心',
  'dirname' => 'jishu',
  'pdirname' => '',
  'child' => 1,
  'childids' => '9,8,15,16,17,19',
  'domain' => '',
  'mobile_domain' => '',
  'thumb' => '',
  'show' => '1',
  'content' => '',
  'setting' => 
  array (
    'disabled' => '0',
    'linkurl' => '',
    'urlrule' => 1,
    'seo' => 
    array (
      'list_title' => '技术中心',
      'list_keywords' => '',
      'list_description' => '',
    ),
    'template' => 
    array (
      'pagesize' => '10',
      'mpagesize' => '10',
      'page' => 'page.html',
      'list' => 'list_article.html',
      'category' => 'list_article.html',
      'search' => 'search.html',
      'show' => 'article_article.html',
    ),
    'cat_field' => '',
    'module_field' => '',
    'html' => 0,
  ),
  'displayorder' => '0',
  'pcatpost' => 0,
  'topid' => '9',
  'catids' => 
  array (
    0 => '9',
    1 => '8',
    2 => '15',
    3 => '16',
    4 => '17',
    5 => '19',
  ),
  'is_post' => 0,
  'url' => 'http://www.010fusheng.com/jishu',
  'total' => '-',
  'field' => 
  array (
  ),
)

'module-article-16'

array (
  8 => 
  array (
    'id' => '8',
    'tid' => '1',
    'pid' => '9',
    'mid' => 'article',
    'pids' => '0,9',
    'name' => '维修保养',
    'dirname' => 'weixiu',
    'pdirname' => 'jishu/',
    'child' => 0,
    'childids' => 8,
    'domain' => '',
    'mobile_domain' => '',
    'thumb' => '',
    'show' => '1',
    'content' => ' ',
    'setting' => 
    array (
      'disabled' => '0',
      'linkurl' => '',
      'urlrule' => 1,
      'seo' => 
      array (
        'list_title' => '空压机维修保养',
        'list_keywords' => '',
        'list_description' => '',
      ),
      'template' => 
      array (
        'pagesize' => '10',
        'mpagesize' => '10',
        'page' => 'page.html',
        'list' => 'list_article.html',
        'category' => 'index_article.html',
        'search' => 'search.html',
        'show' => 'article_article.html',
      ),
      'cat_field' => '',
      'module_field' => '',
      'html' => 0,
    ),
    'displayorder' => '0',
    'pcatpost' => 0,
    'topid' => '9',
    'catids' => 
    array (
      0 => '8',
    ),
    'is_post' => 1,
    'url' => 'http://www.010fusheng.com/weixiu',
    'total' => '-',
    'field' => 
    array (
    ),
  ),
  15 => 
  array (
    'id' => '15',
    'tid' => '1',
    'pid' => '9',
    'mid' => 'article',
    'pids' => '0,9',
    'name' => '知识百科',
    'dirname' => 'baike',
    'pdirname' => 'jishu/',
    'child' => 0,
    'childids' => 15,
    'domain' => '',
    'mobile_domain' => '',
    'thumb' => '',
    'show' => '1',
    'content' => ' ',
    'setting' => 
    array (
      'disabled' => '0',
      'linkurl' => '',
      'urlrule' => 1,
      'seo' => 
      array (
        'list_title' => '知识百科',
        'list_keywords' => '',
        'list_description' => '',
      ),
      'template' => 
      array (
        'pagesize' => '10',
        'mpagesize' => '10',
        'page' => 'page.html',
        'list' => 'list_article.html',
        'category' => 'index_article.html',
        'search' => 'search.html',
        'show' => 'article_article.html',
      ),
      'cat_field' => '',
      'module_field' => '',
      'html' => 0,
    ),
    'displayorder' => '0',
    'pcatpost' => 0,
    'topid' => '9',
    'catids' => 
    array (
      0 => '15',
    ),
    'is_post' => 1,
    'url' => 'http://www.010fusheng.com/baike',
    'total' => '-',
    'field' => 
    array (
    ),
  ),
  16 => 
  array (
    'id' => '16',
    'tid' => '1',
    'pid' => '9',
    'mid' => 'article',
    'pids' => '0,9',
    'name' => '常见问题',
    'dirname' => 'wenti',
    'pdirname' => 'jishu/',
    'child' => 0,
    'childids' => 16,
    'domain' => '',
    'mobile_domain' => '',
    'thumb' => '',
    'show' => '1',
    'content' => ' ',
    'setting' => 
    array (
      'disabled' => '0',
      'linkurl' => '',
      'urlrule' => 1,
      'seo' => 
      array (
        'list_title' => '常见问题',
        'list_keywords' => '',
        'list_description' => '',
      ),
      'template' => 
      array (
        'pagesize' => '10',
        'mpagesize' => '10',
        'page' => 'page.html',
        'list' => 'list_article.html',
        'category' => 'index_article.html',
        'search' => 'search.html',
        'show' => 'article_article.html',
      ),
      'cat_field' => '',
      'module_field' => '',
      'html' => 0,
    ),
    'displayorder' => '0',
    'pcatpost' => 0,
    'topid' => '9',
    'catids' => 
    array (
      0 => '16',
    ),
    'is_post' => 1,
    'url' => 'http://www.010fusheng.com/wenti',
    'total' => '-',
    'field' => 
    array (
    ),
  ),
  17 => 
  array (
    'id' => '17',
    'tid' => '1',
    'pid' => '9',
    'mid' => 'article',
    'pids' => '0,9',
    'name' => '选购指南',
    'dirname' => 'xuangou',
    'pdirname' => 'jishu/',
    'child' => 0,
    'childids' => 17,
    'domain' => '',
    'mobile_domain' => '',
    'thumb' => '',
    'show' => '1',
    'content' => ' ',
    'setting' => 
    array (
      'disabled' => '0',
      'linkurl' => '',
      'urlrule' => 1,
      'seo' => 
      array (
        'list_title' => '选购指南',
        'list_keywords' => '',
        'list_description' => '',
      ),
      'template' => 
      array (
        'pagesize' => '10',
        'mpagesize' => '10',
        'page' => 'page.html',
        'list' => 'list_article.html',
        'category' => 'index_article.html',
        'search' => 'search.html',
        'show' => 'article_article.html',
      ),
      'cat_field' => '',
      'module_field' => '',
      'html' => 0,
    ),
    'displayorder' => '0',
    'pcatpost' => 0,
    'topid' => '9',
    'catids' => 
    array (
      0 => '17',
    ),
    'is_post' => 1,
    'url' => 'http://www.010fusheng.com/xuangou',
    'total' => '-',
    'field' => 
    array (
    ),
  ),
  19 => 
  array (
    'id' => '19',
    'tid' => '1',
    'pid' => '9',
    'mid' => 'article',
    'pids' => '0,9',
    'name' => '新闻中心',
    'dirname' => 'xinwen',
    'pdirname' => 'jishu/',
    'child' => 0,
    'childids' => 19,
    'domain' => '',
    'mobile_domain' => '',
    'thumb' => '',
    'show' => '1',
    'content' => ' ',
    'setting' => 
    array (
      'disabled' => '0',
      'linkurl' => '',
      'urlrule' => 1,
      'seo' => 
      array (
        'list_title' => '新闻中心',
        'list_keywords' => '',
        'list_description' => '',
      ),
      'template' => 
      array (
        'pagesize' => '10',
        'mpagesize' => '10',
        'page' => 'page.html',
        'list' => 'list_article.html',
        'category' => 'index_article.html',
        'search' => 'search.html',
        'show' => 'article_article.html',
      ),
      'cat_field' => '',
      'module_field' => '',
      'html' => 0,
    ),
    'displayorder' => '0',
    'pcatpost' => 0,
    'topid' => '9',
    'catids' => 
    array (
      0 => '19',
    ),
    'is_post' => 1,
    'url' => 'http://www.010fusheng.com/xinwen',
    'total' => '-',
    'field' => 
    array (
    ),
  ),
)

'/wenti/1772_[page].html'

''

'http://www.010fusheng.com/wenti/1772.html'

array (
  'c' => 'show',
  'id' => '1772',
  'm' => 'index',
)