Search results

EXPERIENCE has shown that the common method of “laying out” geometrical problems on the drawing board leads to a large expenditure of man‐hours and, in general, a result of doubtful accuracy. This loss of accuracy is aggravated by scale, and results on large structures may be inaccurate by a prohibitive amount. Use of analytical geometry may be said to have two major advantages, therefore, (a) Less man‐hours required for the job, (b) Any desired standard of accuracy may be obtained.

THE torsional instability of a column is most likely to occur with open‐section columns such as channels and Z‐sections as they are very inefficient in resisting torsion. For calculating the torsional strength of open‐section columns there is a general lack of information and few experimental checks on predicted values are available.

This issue is a selected bibliography covering the subject of leadership.

FOLDING wings of the type employing a skew—hinge axis present a somewhat difficult lay‐out problem in way of the wing cut. The problem with which this article is concerned is that of obtaining, in the form of vertical spanwise sections, the surface swept out by one cut edge of the folding portion as the wing rotates. This enables the bottom cut line to be determined when the top cut line is known, or vice versa. If the leading edge rises when the wing folds, the top cut line will be determined by the fully folded position; if the leading edge falls, it will be the bottom cut line that is thus determined. The following diagrams and calculations are made for the rising leading edge type; the same method may be applied to the falling leading edge type viewing the wing upside down. A numerical example is worked along with the theory.

Modern leadership educators have shown an increased interest in empowering queer student leaders and making campuses more equitable for queer people. These educators help shape the policies, programs, and curriculums that directly impact how queer people experience higher education. Yet there appears to be a dearth of abundant literature on queer people and their experiences as they relate to leadership education. This integrative literature review explores the existing literature on the relationship between leadership education and the queer community over a thirty-year period. The results suggest that queer people are being represented more equitably than they were thirty years ago, but that representation does not extend to all members of the queer community.

Among the problems introduced by swept wings is that of the non‐rectangular panel in equilibrium under loading applied tangentially along its edges. The present article examines the state of stress in a general uniform quadrilateral panel and, for the benefit of stiffness calculations, the strain energy stored in it. Stable conditions are assumed. The problem of replacing such a panel by ‘diamond’ bracing is also treated.

Through scholarly personal narrative (Nash, 2004), this chapter outlines a multifaceted approach to creating safer brave spaces for queer and trans students within a predominantly Hispanic-serving, public research university with a mainly commuter student population in South Florida. All spaces require courageous acts of authenticity on the part of its occupants. Thus, the creation of safer brave spaces is acknowledged as a practice since safety is an ideal to be worked toward especially for those with less power and privilege, such as queer and trans people as opposed to straight and cisgender people. Experiences of heterosexism and cisgenderism are positively associated with psychological distress among queer and trans college students (Goldberg, Kuvalanka, & Black, 2019; Sue, 2010; Woodford, Kulick, Sinco, & Hong, 2014). Research suggests empowerment and the acquisition of power is a positive coping mechanism for resisting and overcoming experiences of heterosexism and cisgenderism (Mizock, 2017; Nadal, Davidoff, Davis, & Wong, 2014; Todoroff, 1995). Administrators are called upon to mindfully create spaces that empower queer and trans students. Quick tips throughout the chapter highlight that queer and trans students should be given opportunities to determine their own risks, choose their own mentors, create their own spaces, have their own voices centered, realize their own solutions, fail and learn from setbacks, and deconstruct systems of power. At the University level, administrators should work to educate and change policies that further support students' opportunities to courageously exist and persist authentically in spaces across the university as a whole and not just in designated centers.

Under this heading are published regularly abstracts of all Reports and Memoranda of the Aeronautical Research Council, Reports and Technical Notes of the United States National Advisory Committee for Aeronautics and publications of other similar Research Bodies as issued

A FREQUENTLY recurring problem, more particularly in the sphere of electrical engineering practice, is the determination of the equivalent rating of a machine or piece of apparatus under conditions of intermittent loading. By equivalent rating is to be understood the value of the continuous load, whether expressed in terms of current or power, which will produce the same final temperature rise as is actually produced by the given intermittent load.

AXIAL flow fans were originally developed from aircraft airscrews and therefore can be claimed as children of aeronautical science. Their use has been confined in aeronautics to wind tunnels and radial engine cooling until the advent of ‘pressurized’ cabins. In this case ventilation requirements have caused an axial flow fan to be used. These fans have been gradually developed in the ventilation industry and they are replacing centrifugal fans where these would have been used previously. Price and noise level have not been in the axial flow fans' favour in this fight but they have advantages of higher efficiency, ease of installation and non‐overloading power characteristic. Latest developments in aerodynamic design and production technique suggest that the disadvantages are being overcome. This note is intended to furnish a general introduction to the design features of axial flow fans for aircraft ventilation.